Vassilis Kostakos

298 papers A* 30A 9B 11Misc 20Journal 144Unranked 72

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	Illuminating Memory: Using Ambient Light to Enrich Generative Representations of Daily Life. CHI Extended Abstracts Songyan Teng, Simon D'Alfonso, Vassilis Kostakos, Benjamin John Southwell, David Cooper, David Gunawan
2026	J	`jnl`	NarrativeSense: Predicting Affective States in University Students through Smartphone Sensing and Contextual Narratives. ACM Trans. Comput. Heal. Tianyi Zhang, Yan Li, Yihao Ding, Hong Jia, Vassilis Kostakos, Simon D'Alfonso
2026	A*	`conf`	Narratives and Perspectives: How AI Summaries Steer Users' Opinions and Engagement on Social Media. CHI Jarod Govers, Cherie Sew, Eduardo Velloso, Vassilis Kostakos, Jorge Gonçalves
2026	A*	`conf`	Oops, I Did It Again (But I Know It): Robot Failure Consistency and Awareness in Human-Robot Collaboration. CHI Ramtin Tabatabaei, Vassilis Kostakos, Wafa Johal
2026	A*	`conf`	Timing Matters: Designing Effective Corrections for Short-Form Video Misinformation. CHI Suwani Gunasekara, Cherie Sew, Saumya Pareek, Ryan M. Kelly, Vassilis Kostakos, Jorge Gonçalves
2025	J	`jnl`	Beyond Scale: Small Language Models are Comparable to GPT-4 in Mental Health Understanding. CoRR Hong Jia, Shiya Fu, Feng Xia, Vassilis Kostakos, Ting Dang
2025	A*	`conf`	Gazing at Failure: Investigating Human Gaze in Response to Robot Failure in Collaborative Tasks. HRI Ramtin Tabatabaei, Vassilis Kostakos, Wafa Johal
2025	J	`jnl`	Gazing at Failure: Investigating Human Gaze in Response to Robot Failure in Collaborative Tasks. CoRR Ramtin Tabatabaei, Vassilis Kostakos, Wafa Johal
2025	J	`jnl`	HealthSLM-Bench: Benchmarking Small Language Models for Mobile and Wearable Healthcare Monitoring. CoRR Xin Wang, Ting Dang, Xinyu Zhang, Vassilis Kostakos, Michael J. Witbrock, Hong Jia
2025	J	`jnl`	Menta: A Small Language Model for On-Device Mental Health Prediction. CoRR Tianyi Zhang, Xiangyuan Xue, Lingyan Ruan, Shiya Fu, Feng Xia, Simon D'Alfonso, Vassilis Kostakos, Ting Dang, Hong Jia
2025	A*	`conf`	Real-Time Detection of Robot Failures Using Gaze Dynamics in Collaborative Tasks. HRI Ramtin Tabatabaei, Vassilis Kostakos, Wafa Johal
2025	J	`jnl`	Real-Time Detection of Robot Failures Using Gaze Dynamics in Collaborative Tasks. CoRR Ramtin Tabatabaei, Vassilis Kostakos, Wafa Johal
2025	J	`jnl`	Safeguarding Crowdsourcing Surveys from ChatGPT through Prompt Injection. Proc. ACM Hum. Comput. Interact. Chaofan Wang, Samuel Kernan Freire, Mo Zhang, Jing Wei, Jorge Gonçalves, Vassilis Kostakos, Alessandro Bozzon, Evangelos Niforatos
2025	J	`jnl`	Toward Ubiquitous Operating Systems: Lessons from the Field. Commun. ACM Chu Luo, Vassilis Kostakos
2024	A*	`conf`	A Tool for Capturing Smartphone Screen Text. CHI Songyan Teng, Simon D'Alfonso, Vassilis Kostakos
2024	J	`jnl`	A toolkit for localisation queries. Pervasive Mob. Comput. Gabriele Marini, Jorge Gonçalves, Eduardo Velloso, Raja Jurdak, Vassilis Kostakos
2024	A*	`conf`	AI-Driven Mediation Strategies for Audience Depolarisation in Online Debates. CHI Jarod Govers, Eduardo Velloso, Vassilis Kostakos, Jorge Gonçalves
2024	A*	`conf`	AutoJournaling: A Context-Aware Journaling System Leveraging MLLMs on Smartphone Screenshots. MobiCom Tianyi Zhang, Shiquan Zhang, Le Fang, Hong Jia, Vassilis Kostakos, Simon D'Alfonso
2024	J	`jnl`	AutoJournaling: A Context-Aware Journaling System Leveraging MLLMs on Smartphone Screenshots. CoRR Tianyi Zhang, Shiquan Zhang, Le Fang, Hong Jia, Vassilis Kostakos, Simon D'Alfonso
2024	—	`ed.`	Companion of the 2024 on ACM International Joint Conference on Pervasive and Ubiquitous Computing, UbiComp Companion 2024, Melbourne, VIC, Australia, October 5-9, 2024 UbiComp Companion Vassilis Kostakos, Judy Kay, Thuong Hoang
2024	A*	`conf`	Efficient and Personalized Mobile Health Event Prediction via Small Language Models. MobiCom Xin Wang, Ting Dang, Vassilis Kostakos, Hong Jia
2024	J	`jnl`	Efficient and Personalized Mobile Health Event Prediction via Small Language Models. CoRR Xin Wang, Ting Dang, Vassilis Kostakos, Hong Jia
2024	—	`conf`	Enabling On-Device LLMs Personalization with Smartphone Sensing. UbiComp Companion Shiquan Zhang, Ying Ma, Le Fang, Hong Jia, Simon D'Alfonso, Vassilis Kostakos
2024	J	`jnl`	Enabling On-Device LLMs Personalization with Smartphone Sensing. CoRR Shiquan Zhang, Ying Ma, Le Fang, Hong Jia, Simon D'Alfonso, Vassilis Kostakos
2024	Misc	`conf`	Exploring Design Parameters for RSVP Reading of Mobile Notifications. OZCHI Hao-Ping (Hank) Lee, Qiushi Zhou, Vassilis Kostakos, Benjamin Tag, Tilman Dingler
2024	J	`jnl`	MicroFog: A framework for scalable placement of microservices-based IoT applications in federated Fog environments. J. Syst. Softw. Samodha Pallewatta, Vassilis Kostakos, Rajkumar Buyya
2024	J	`jnl`	Mobile Near-infrared Sensing - A Systematic Review on Devices, Data, Modeling, and Applications. ACM Comput. Surv. Weiwei Jiang, Jorge Gonçalves, Vassilis Kostakos
2024	B	`conf`	OOBKey: Key Exchange with Implantable Medical Devices Using Out-Of-Band Channels. ARES Mo Zhang, Eduard Marin, Mark Ryan, Vassilis Kostakos, Toby Murray, Benjamin Tag, David F. Oswald
2024	—	`conf`	Predicting Affective States from Screen Text Sentiment. UbiComp Companion Songyan Teng, Tianyi Zhang, Simon D'Alfonso, Vassilis Kostakos
2024	J	`jnl`	Predicting Affective States from Screen Text Sentiment. CoRR Songyan Teng, Tianyi Zhang, Simon D'Alfonso, Vassilis Kostakos
2024	Misc	`ed.`	Proceedings of the 2024 ACM International Symposium on Wearable Computers, ISWC 2024, Melbourne, VIC, Australia, October 5-9, 2024 ISWC Vassilis Kostakos, Judy Kay, Thuong N. Hoang
2024	J	`jnl`	Reliability-Aware Proactive Placement of Microservices-Based IoT Applications in Fog Computing Environments. IEEE Trans. Mob. Comput. Samodha Pallewatta, Vassilis Kostakos, Rajkumar Buyya
2024	—	`conf`	ScreenTK: Seamless Detection of Time-Killing Moments Using Continuous Mobile Screen Text and On-Device LLMs. UbiComp Companion Le Fang, Shiquan Zhang, Hong Jia, Jorge Gonçalves, Vassilis Kostakos
2024	J	`jnl`	ScreenTK: Seamless Detection of Time-Killing Moments Using Continuous Mobile Screen Text and on-device LLM. CoRR Le Fang, Shiquan Zhang, Hong Jia, Jorge Gonçalves, Vassilis Kostakos
2024	J	`jnl`	Unpacking Instagram use: The impact of upward social comparisons on usage patterns and affective experiences in the wild. Int. J. Hum. Comput. Stud. Jiwan Kim, Doyoung Lee, Mingyu Han, Jaeho Kim, Vassilis Kostakos, Ian Oakley
2023	J	`jnl`	"Instant Happiness": Smartphones as tools for everyday emotion regulation. Int. J. Hum. Comput. Stud. Yaoxi Shi, Peter Koval, Vassilis Kostakos, Jorge Gonçalves, Greg Wadley
2023	J	`jnl`	A Survey on Task Assignment in Crowdsourcing. ACM Comput. Surv. Danula Hettiachchi, Vassilis Kostakos, Jorge Gonçalves
2023	J	`jnl`	AWARE-Light: a smartphone tool for experience sampling and digital phenotyping. Pers. Ubiquitous Comput. Niels van Berkel, Simon D'Alfonso, Rio Kurnia Susanto, Denzil Ferreira, Vassilis Kostakos
2023	J	`jnl`	DDoD: Dual Denial of Decision Attacks on Human-AI Teams. IEEE Pervasive Comput. Benjamin Tag, Niels van Berkel, Sunny Verma, Benjamin Zi Hao Zhao, Shlomo Berkovsky, Dali Kaafar, Vassilis Kostakos, Olga Ohrimenko
2023	J	`jnl`	InfoPrint: Embedding Interactive Information in 3D Prints Using Low-Cost Readily-Available Printers and Materials. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Weiwei Jiang, Chaofan Wang, Zhanna Sarsenbayeva, Andrew Irlitti, Jing Wei, Jarrod Knibbe, Tilman Dingler, Jorge Gonçalves, Vassilis Kostakos
2023	—	`conf`	Knock the Reality: Virtual Interface Registration in Mixed Reality. VR Workshops Weiwei Jiang, Difeng Yu, Andrew Irlitti, Jorge Gonçalves, Vassilis Kostakos, Xin He
2023	J	`jnl`	Mapping 20 years of accessibility research in HCI: A co-word analysis. Int. J. Hum. Comput. Stud. Zhanna Sarsenbayeva, Niels van Berkel, Danula Hettiachchi, Benjamin Tag, Eduardo Velloso, Jorge Gonçalves, Vassilis Kostakos
2023	J	`jnl`	Methodological Standards in Accessibility Research-PLXBCCR- on Motor Impairments: A Survey. ACM Comput. Surv. Zhanna Sarsenbayeva, Niels van Berkel, Eduardo Velloso, Jorge Gonçalves, Vassilis Kostakos
2023	J	`jnl`	MicroFog: A Framework for Scalable Placement of Microservices-based IoT Applications in Federated Fog Environments. CoRR Samodha Pallewatta, Vassilis Kostakos, Rajkumar Buyya
2023	J	`jnl`	Near-infrared Imaging for Information Embedding and Extraction with Layered Structures. ACM Trans. Graph. Weiwei Jiang, Difeng Yu, Chaofan Wang, Zhanna Sarsenbayeva, Niels van Berkel, Jorge Gonçalves, Vassilis Kostakos
2023	J	`jnl`	Placement of Microservices-based IoT Applications in Fog Computing: A Taxonomy and Future Directions. ACM Comput. Surv. Samodha Pallewatta, Vassilis Kostakos, Rajkumar Buyya
2023	J	`jnl`	Quality of Service (QoS)-driven Edge Computing and Smart Hospitals: A Vision, Architectural Elements, and Future Directions. CoRR Rajkumar Buyya, Satish Narayana Srirama, Md. Redowan Mahmud, Mohammad Goudarzi, Leila Ismail, Vassilis Kostakos
2023	J	`jnl`	Safeguarding Crowdsourcing Surveys from ChatGPT with Prompt Injection. CoRR Chaofan Wang, Samuel Kernan Freire, Mo Zhang, Jing Wei, Jorge Gonçalves, Vassilis Kostakos, Zhanna Sarsenbayeva, Christina Schneegass, Alessandro Bozzon, Evangelos Niforatos
2023	J	`jnl`	Using Thermal Imaging to Measure Hand Hygiene Quality. CoRR Chaofan Wang, Weiwei Jiang, Kangning Yang, Zhanna Sarsenbayeva, Benjamin Tag, Tilman Dingler, Jorge Gonçalves, Vassilis Kostakos
2022	J	`jnl`	A Retrospective and a Look Forward: Lessons Learned From Researching Emotions In-the-Wild. IEEE Pervasive Comput. Benjamin Tag, Jorge Gonçalves, Sarah Webber, Peter Koval, Vassilis Kostakos
2022	J	`jnl`	A System for Computational Assessment of Hand Hygiene Techniques. J. Medical Syst. Chaofan Wang, Weiwei Jiang, Kangning Yang, Zhanna Sarsenbayeva, Benjamin Tag, Tilman Dingler, Jorge Gonçalves, Vassilis Kostakos
2022	J	`jnl`	DDoD: Dual Denial of Decision Attacks on Human-AI Teams. CoRR Benjamin Tag, Niels van Berkel, Sunny Verma, Benjamin Zi Hao Zhao, Shlomo Berkovsky, Dali Kaafar, Vassilis Kostakos, Olga Ohrimenko
2022	A*	`conf`	Digital Emotion Regulation in Everyday Life. CHI Wally Smith, Greg Wadley, Sarah Webber, Benjamin Tag, Vassilis Kostakos, Peter Koval, James J. Gross
2022	J	`jnl`	Emotion trajectories in smartphone use: Towards recognizing emotion regulation in-the-wild. Int. J. Hum. Comput. Stud. Benjamin Tag, Zhanna Sarsenbayeva, Anna L. Cox, Greg Wadley, Jorge Gonçalves, Vassilis Kostakos
2022	—	`conf`	Hand Hygiene Quality Assessment Using Image-to-Image Translation. MICCAI (8) Chaofan Wang, Kangning Yang, Weiwei Jiang, Jing Wei, Zhanna Sarsenbayeva, Jorge Gonçalves, Vassilis Kostakos
2022	—	`conf`	Haptics in VR Using Origami-Augmented Drones. ISMAR Adjunct Difeng Yu, Weiwei Jiang, Andrew Irlitti, Tilman Dingler, Eduardo Velloso, Jorge Gonçalves, Vassilis Kostakos
2022	A*	`conf`	Method for Appropriating the Brief Implicit Association Test to Elicit Biases in Users. CHI Tilman Dingler, Benjamin Tag, David A. Eccles, Niels van Berkel, Vassilis Kostakos
2022	J	`jnl`	Microservices-based IoT Applications Scheduling in Edge and Fog Computing: A Taxonomy and Future Directions. CoRR Samodha Pallewatta, Vassilis Kostakos, Rajkumar Buyya
2022	J	`jnl`	Out-of-the-Lab Pervasive Computing. IEEE Pervasive Comput. Florian Alt, Vassilis Kostakos, Nuria Oliver
2022	J	`jnl`	QoS-aware placement of microservices-based IoT applications in Fog computing environments. Future Gener. Comput. Syst. Samodha Pallewatta, Vassilis Kostakos, Rajkumar Buyya
2022	J	`jnl`	Quantifying determinants of social conformity in an online debating website. Int. J. Hum. Comput. Stud. Senuri Wijenayake, Niels van Berkel, Vassilis Kostakos, Jorge Gonçalves
2022	—	`conf`	The Future of Emotion in Human-Computer Interaction. CHI Extended Abstracts Greg Wadley, Vassilis Kostakos, Peter Koval, Wally Smith, Sarah Webber, Anna L. Cox, James J. Gross, Kristina Höök, Regan L. Mandryk, Petr Slovák
2022	J	`jnl`	Understanding How to Administer Voice Surveys through Smart Speakers. Proc. ACM Hum. Comput. Interact. Jing Wei, Weiwei Jiang, Chaofan Wang, Difeng Yu, Jorge Gonçalves, Tilman Dingler, Vassilis Kostakos
2022	A*	`conf`	What Could Possibly Go Wrong When Interacting with Proactive Smart Speakers? A Case Study Using an ESM Application. CHI Jing Wei, Benjamin Tag, Johanne R. Trippas, Tilman Dingler, Vassilis Kostakos
2021	J	`jnl`	A Survey of Context Simulation for Testing Mobile Context-Aware Applications. ACM Comput. Surv. Chu Luo, Jorge Gonçalves, Eduardo Velloso, Vassilis Kostakos
2021	J	`jnl`	A Survey on Task Assignment in Crowdsourcing. CoRR Danula Hettiachchi, Vassilis Kostakos, Jorge Gonçalves
2021	J	`jnl`	Architecting Analytics Across Multiple E-Learning Systems to Enhance Learning Design. IEEE Trans. Learn. Technol. Katerina Mangaroska, Boban Vesin, Vassilis Kostakos, Peter Brusilovsky, Michail N. Giannakos
2021	—	`conf`	Developing the Proactive Speaker Prototype Based on Google Home. CHI Extended Abstracts Jing Wei, Tilman Dingler, Vassilis Kostakos
2021	J	`jnl`	Effect of Conformity on Perceived Trustworthiness of News in Social Media. IEEE Internet Comput. Senuri Wijenayake, Danula Hettiachchi, Simo Hosio, Vassilis Kostakos, Jorge Gonçalves
2021	—	`conf`	Emergent Interaction: Complexity, Dynamics, and Enaction in HCI. CHI Extended Abstracts Dan Bennett, Alan J. Dix, Parisa Eslambolchilar, Feng Feng, Tom Froese, Vassilis Kostakos, Sébastien Lerique, Niels van Berkel
2021	J	`jnl`	InfoPrint: Embedding Information into 3D Printed Objects. CoRR Weiwei Jiang, Chaofan Wang, Zhanna Sarsenbayeva, Andrew Irlitti, Jarrod Knibbe, Tilman Dingler, Jorge Gonçalves, Vassilis Kostakos
2021	J	`jnl`	Information flow and cognition affect each other: Evidence from digital learning. Int. J. Hum. Comput. Stud. Kshitij Sharma, Katerina Mangaroska, Niels van Berkel, Michail N. Giannakos, Vassilis Kostakos
2021	—	`conf`	Making Sense of Emotion-Sensing: Workshop on Quantifying Human Emotions. UbiComp/ISWC Adjunct Benjamin Tag, Sarah Webber, Greg Wadley, Vanessa Bartlett, Jorge Gonçalves, Peter Koval, Petr Slovák, Wally Smith, Tom Hollenstein, Anna L. Cox, Vassilis Kostakos
2021	J	`jnl`	Modeling interaction as a complex system. Hum. Comput. Interact. Niels van Berkel, Simon Dennis, Michael Zyphur, Jinjing Li, Andrew Heathcote, Vassilis Kostakos
2021	J	`jnl`	Passive Health Monitoring Using Large Scale Mobility Data. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Yunke Zhang, Fengli Xu, Tong Li, Vassilis Kostakos, Pan Hui, Yong Li
2021	—	`conf`	Quantifying the Effects of Age-Related Stereotypes on Online Social Conformity. INTERACT (4) Senuri Wijenayake, Jolan Hu, Vassilis Kostakos, Jorge Gonçalves
2021	J	`jnl`	Semantics-Aware Hidden Markov Model for Human Mobility. IEEE Trans. Knowl. Data Eng. Hongzhi Shi, Yong Li, Hancheng Cao, Xiangxin Zhou, Chao Zhang, Vassilis Kostakos
2021	J	`jnl`	UbiNIRS: A Software Framework for Miniaturized NIRS-based Applications. CoRR Weiwei Jiang, Zhanna Sarsenbayeva, Difeng Yu, Jing Wei, Niels van Berkel, Jorge Gonçalves, Vassilis Kostakos
2021	J	`jnl`	Understanding User Perceptions of Proactive Smart Speakers. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Jing Wei, Tilman Dingler, Vassilis Kostakos
2021	J	`jnl`	Understanding usage style transformation during long-term smartwatch use. Pers. Ubiquitous Comput. Aku Visuri, Niels van Berkel, Jorge Gonçalves, Reza Rawassizadeh, Denzil Ferreira, Vassilis Kostakos
2021	A*	`conf`	User Trust in Assisted Decision-Making Using Miniaturized Near-Infrared Spectroscopy. CHI Weiwei Jiang, Zhanna Sarsenbayeva, Niels van Berkel, Chaofan Wang, Difeng Yu, Jing Wei, Jorge Gonçalves, Vassilis Kostakos
2020	A*	`conf`	"Hi! I am the Crowd Tasker" Crowdsourcing through Digital Voice Assistants. CHI Danula Hettiachchi, Zhanna Sarsenbayeva, Fraser Allison, Niels van Berkel, Tilman Dingler, Gabriele Marini, Vassilis Kostakos, Jorge Gonçalves
2020	J	`jnl`	A multi-agent system for distributed smartphone sensing cycling in smart cities. J. Syst. Inf. Technol. Theodoros Anagnostopoulos, Chu Luo, S. R. Jino Ramson, Klimis S. Ntalianis, Vassilis Kostakos, Christos Skourlas
2020	J	`jnl`	Assessing Cognitive Performance Using Physiological and Facial Features: Generalizing across Contexts. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Kshitij Sharma, Evangelos Niforatos, Michail N. Giannakos, Vassilis Kostakos
2020	—	`conf`	Augmenting Automated Kinship Verification with Targeted Human Input. PACIS Danula Hettiachchi, Niels van Berkel, Simo Hosio, Miguel Bordallo López, Vassilis Kostakos, Jorge Gonçalves
2020	J	`jnl`	CrowdCog: A Cognitive Skill based System for Heterogeneous Task Assignment and Recommendation in Crowdsourcing. Proc. ACM Hum. Comput. Interact. Danula Hettiachchi, Niels van Berkel, Vassilis Kostakos, Jorge Gonçalves
2020	A*	`conf`	Does Smartphone Use Drive our Emotions or vice versa? A Causal Analysis. CHI Zhanna Sarsenbayeva, Gabriele Marini, Niels van Berkel, Chu Luo, Weiwei Jiang, Kangning Yang, Greg Wadley, Tilman Dingler, Vassilis Kostakos, Jorge Gonçalves
2020	J	`jnl`	Fitbit for learning: Towards capturing the learning experience using wearable sensing. Int. J. Hum. Comput. Stud. Michail N. Giannakos, Kshitij Sharma, Sofia Papavlasopoulou, Ilias O. Pappas, Vassilis Kostakos
2020	J	`jnl`	Growing Up With Pervasive Computing. IEEE Pervasive Comput. Vassilis Kostakos, Bran Knowles, Panos Markopoulos, Koji Yatani
2020	B	`conf`	How Context Influences Cross-Device Task Acceptance in Crowd Work. HCOMP Danula Hettiachchi, Senuri Wijenayake, Simo Hosio, Vassilis Kostakos, Jorge Gonçalves
2020	J	`jnl`	Impact of contextual and personal determinants on online social conformity. Comput. Hum. Behav. Senuri Wijenayake, Niels van Berkel, Vassilis Kostakos, Jorge Gonçalves
2020	J	`jnl`	Inferring Circadian Rhythms of Cognitive Performance in Everyday Life. IEEE Pervasive Comput. Benjamin Tag, Tilman Dingler, Andrew W. Vargo, Vassilis Kostakos
2020	J	`jnl`	Overcoming compliance bias in self-report studies: A cross-study analysis. Int. J. Hum. Comput. Stud. Niels van Berkel, Jorge Gonçalves, Simo Hosio, Zhanna Sarsenbayeva, Eduardo Velloso, Vassilis Kostakos
2020	Misc	`conf`	Page-Turning Techniques for Reading Interfaces in Virtual Environments. OZCHI Tilman Dingler, Siran Li, Niels van Berkel, Vassilis Kostakos
2020	J	`jnl`	Personalized Pervasive Health. IEEE Pervasive Comput. Oliver Amft, Jesús Favela, Stephen S. Intille, Mirco Musolesi, Vassilis Kostakos
2020	J	`jnl`	Quantifying the Effect of Social Presence on Online Social Conformity. Proc. ACM Hum. Comput. Interact. Senuri Wijenayake, Niels van Berkel, Vassilis Kostakos, Jorge Gonçalves
2020	Misc	`conf`	Using Video Games to Regulate Emotions. OZCHI Zhanna Sarsenbayeva, Benjamin Tag, Shu Yan, Vassilis Kostakos, Jorge Gonçalves
2020	J	`jnl`	Will You Come Back / Check-in Again?: Understanding Characteristics Leading to Urban Revisitation and Re-check-in. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Zhilong Chen, Hancheng Cao, Huandong Wang, Fengli Xu, Vassilis Kostakos, Yong Li
2019	J	`jnl`	CamTest: A laboratory testbed for camera-based mobile sensing applications. Pervasive Mob. Comput. Chu Luo, Zewen Xu, Ruining Dong, Jorge Gonçalves, Eduardo Velloso, Vassilis Kostakos
2019	A*	`conf`	Context-Informed Scheduling and Analysis: Improving Accuracy of Mobile Self-Reports. CHI Niels van Berkel, Jorge Gonçalves, Peter Koval, Simo Hosio, Tilman Dingler, Denzil Ferreira, Vassilis Kostakos
2019	J	`jnl`	Crowdsourcing Perceptions of Fair Predictors for Machine Learning: A Recidivism Case Study. Proc. ACM Hum. Comput. Interact. Niels van Berkel, Jorge Gonçalves, Danula Hettiachchi, Senuri Wijenayake, Ryan M. Kelly, Vassilis Kostakos
2019	—	`conf`	Effect of Ambient Light on Mobile Interaction. INTERACT (3) Zhanna Sarsenbayeva, Niels van Berkel, Weiwei Jiang, Danula Hettiachchi, Vassilis Kostakos, Jorge Gonçalves
2019	—	`conf`	Effect of Cognitive Abilities on Crowdsourcing Task Performance. INTERACT (1) Danula Hettiachchi, Niels van Berkel, Simo Hosio, Vassilis Kostakos, Jorge Gonçalves
2019	J	`jnl`	Effect of experience sampling schedules on response rate and recall accuracy of objective self-reports. Int. J. Hum. Comput. Stud. Niels van Berkel, Jorge Gonçalves, Lauri Lovén, Denzil Ferreira, Simo Hosio, Vassilis Kostakos
2019	J	`jnl`	Energy-efficient prediction of smartphone unlocking. Pers. Ubiquitous Comput. Chu Luo, Aku Visuri, Simon Klakegg, Niels van Berkel, Zhanna Sarsenbayeva, Antti Möttönen, Jorge Gonçalves, Theodoros Anagnostopoulos, Denzil Ferreira, Huber Flores, Eduardo Velloso, Vassilis Kostakos
2019	—	`ed.`	Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems, CHI 2019, Glasgow, Scotland, UK, May 04-09, 2019. CHI Extended Abstracts Regan L. Mandryk, Stephen A. Brewster, Mark Hancock, Geraldine Fitzpatrick, Anna L. Cox, Vassilis Kostakos, Mark Perry
2019	A*	`conf`	Improving Experience Sampling with Multi-view User-driven Annotation Prediction. PerCom Jonathan Liono, Flora D. Salim, Niels van Berkel, Vassilis Kostakos, A. K. Qin
2019	—	`conf`	Improving wearable sensor data quality using context markers. UbiComp/ISWC Adjunct Chaofan Wang, Zhanna Sarsenbayeva, Chu Luo, Jorge Gonçalves, Vassilis Kostakos
2019	J	`jnl`	Measuring the Effects of Gender on Online Social Conformity. Proc. ACM Hum. Comput. Interact. Senuri Wijenayake, Niels van Berkel, Vassilis Kostakos, Jorge Gonçalves
2019	J	`jnl`	Measuring the Effects of Stress on Mobile Interaction. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Zhanna Sarsenbayeva, Niels van Berkel, Danula Hettiachchi, Weiwei Jiang, Tilman Dingler, Eduardo Velloso, Vassilis Kostakos, Jorge Gonçalves
2019	Misc	`conf`	Microservices-based IoT Application Placement within Heterogeneous and Resource Constrained Fog Computing Environments. UCC Samodha Pallewatta, Vassilis Kostakos, Rajkumar Buyya
2019	J	`jnl`	Multimodal data as a means to understand the learning experience. Int. J. Inf. Manag. Michail N. Giannakos, Kshitij Sharma, Ilias O. Pappas, Vassilis Kostakos, Eduardo Velloso
2019	J	`jnl`	Probing Sucrose Contents in Everyday Drinks Using Miniaturized Near-Infrared Spectroscopy Scanners. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Weiwei Jiang, Gabriele Marini, Niels van Berkel, Zhanna Sarsenbayeva, Zheyu Tan, Chu Luo, Xin He, Tilman Dingler, Jorge Gonçalves, Yoshihiro Kawahara, Vassilis Kostakos
2019	A*	`ed.`	Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems, CHI 2019, Glasgow, Scotland, UK, May 04-09, 2019 CHI Stephen A. Brewster, Geraldine Fitzpatrick, Anna L. Cox, Vassilis Kostakos
2019	A	`conf`	Semantics-Aware Hidden Markov Model for Human Mobility. SDM Hongzhi Shi, Hancheng Cao, Xiangxin Zhou, Yong Li, Chao Zhang, Vassilis Kostakos, Funing Sun, Fanchao Meng
2019	J	`jnl`	Situationally-Induced Impairments and Disabilities Research. CoRR Zhanna Sarsenbayeva, Vassilis Kostakos, Jorge Gonçalves
2019	A*	`ed.`	The 25th Annual International Conference on Mobile Computing and Networking, MobiCom 2019, Los Cabos, Mexico, October 21-25, 2019. MobiCom Stephen A. Brewster, Geraldine Fitzpatrick, Anna L. Cox, Vassilis Kostakos
2019	—	`conf`	Towards context-free semantic localisation. UbiComp/ISWC Adjunct Gabriele Marini, Jorge Gonçalves, Eduardo Velloso, Raja Jurdak, Vassilis Kostakos
2019	J	`jnl`	Understanding smartphone notifications' user interactions and content importance. Int. J. Hum. Comput. Stud. Aku Visuri, Niels van Berkel, Tadashi Okoshi, Jorge Gonçalves, Vassilis Kostakos
2018	—	`conf`	A Mobile Scanner for Probing Liquid Samples in Everyday Settings. UbiComp/ISWC Adjunct Weiwei Jiang, Gabriele Marini, Niels van Berkel, Zhanna Sarsenbayeva, Chu Luo, Xin He, Tilman Dingler, Yoshihiro Kawahara, Vassilis Kostakos
2018	J	`jnl`	Assisted Medication Management in Elderly Care Using Miniaturised Near-Infrared Spectroscopy. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Simon Klakegg, Jorge Gonçalves, Chu Luo, Aku Visuri, Alexey Popov, Niels van Berkel, Zhanna Sarsenbayeva, Vassilis Kostakos, Simo Hosio, Scott Savage, Alexander Bykov, Igor V. Meglinski, Denzil Ferreira
2018	—	`conf`	Biased Bots: Conversational Agents to Overcome Polarization. UbiComp/ISWC Adjunct Tilman Dingler, Ashris Choudhury, Vassilis Kostakos
2018	Misc	`conf`	Correlating Refugee Border Crossings with Internet Search Data. IRI Panos Kostakos, Abhinay Pandya, Mourad Oussalah, Simo Hosio, Christoph F. Breidbach, Vassilis Kostakos, Niels van Berkel, Olga Kyriakouli, Arash Sattari
2018	A*	`conf`	Crowdsourcing Treatments for Low Back Pain. CHI Simo Johannes Hosio, Jaro Karppinen, Esa-Pekka Takala, Jani Takatalo, Jorge Gonçalves, Niels van Berkel, Shin'ichi Konomi, Vassilis Kostakos
2018	J	`jnl`	Effect of Distinct Ambient Noise Types on Mobile Interaction. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Zhanna Sarsenbayeva, Niels van Berkel, Eduardo Velloso, Vassilis Kostakos, Jorge Gonçalves
2018	—	`ch.`	Evidence-Aware Mobile Cloud Architectures. Mobile Big Data Huber Flores, Vassilis Kostakos, Sasu Tarkoma, Pan Hui, Yong Li
2018	J	`jnl`	Evidence-Aware Mobile Computational Offloading. IEEE Trans. Mob. Comput. Huber Flores, Pan Hui, Petteri Nurmi, Eemil Lagerspetz, Sasu Tarkoma, Jukka Manner, Vassilis Kostakos, Yong Li, Xiang Su
2018	J	`jnl`	Facilitating Collocated Crowdsourcing on Situated Displays. Hum. Comput. Interact. Simo Hosio, Jorge Gonçalves, Niels van Berkel, Simon Klakegg, Shin'ichi Konomi, Vassilis Kostakos
2018	J	`jnl`	FinDroidHR: Smartwatch Gesture Input with Optical Heartrate Monitor. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Yu Zhang, Tao Gu, Chu Luo, Vassilis Kostakos, Aruna Seneviratne
2018	J	`jnl`	Kinship verification from facial images and videos: human versus machine. Mach. Vis. Appl. Miguel Bordallo López, Abdenour Hadid, Elhocine Boutellaa, Jorge Gonçalves, Vassilis Kostakos, Simo Hosio
2018	—	`conf`	MHC '18: International Workshop on Mobile Human Contributions: Opportunities and Challenges. UbiComp/ISWC Adjunct Niels van Berkel, Simo Hosio, Jorge Gonçalves, Katarzyna Wac, Vassilis Kostakos, Anna L. Cox
2018	J	`jnl`	Revisitation in Urban Space vs. Online: A Comparison across POIs, Websites, and Smartphone Apps. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Hancheng Cao, Zhilong Chen, Fengli Xu, Yong Li, Vassilis Kostakos
2018	A	`conf`	Sensorclone: a framework for harnessing smart devices with virtual sensors. MMSys Huber Flores, Pan Hui, Sasu Tarkoma, Yong Li, Theodoros Anagnostopoulos, Vassilis Kostakos, Chu Luo, Xiang Su
2018	J	`jnl`	The Experience Sampling Method on Mobile Devices. ACM Comput. Surv. Niels van Berkel, Denzil Ferreira, Vassilis Kostakos
2018	—	`conf`	Ubiquitous Mobile Sensing: Behaviour, Mood, and Environment. UbiComp/ISWC Adjunct Aku Visuri, Kennedy Opoku Asare, Elina Kuosmanen, Yuuki Nishiyama, Denzil Ferreira, Zhanna Sarsenbayeva, Jorge Gonçalves, Niels van Berkel, Greg Wadley, Vassilis Kostakos, Sarah Clinch, Oludamilare Matthews, Simon Harper, Amy Jenkins, Stephen Snow, m. c. schraefel
2018	J	`jnl`	Uniqueness in the City: Urban Morphology and Location Privacy. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Hancheng Cao, Jie Feng, Yong Li, Vassilis Kostakos
2017	J	`jnl`	Applying configurational analysis to IS behavioural research: a methodological alternative for modelling combinatorial complexities. Inf. Syst. J. Yong Liu, József Mezei, Vassilis Kostakos, Hongxiu Li
2017	J	`jnl`	Are Smartphones Ubiquitous?: An in-depth survey of smartphone adoption by seniors. IEEE Consumer Electron. Mag. Anabela Berenguer, Jorge Gonçalves, Simo Hosio, Denzil Ferreira, Theodoros Anagnostopoulos, Vassilis Kostakos
2017	A*	`conf`	Augmenting creative design thinking using networks of concepts. VR Georgi V. Georgiev, Kaori Yamada, Toshiharu Taura, Vassilis Kostakos, Matti Pouke, Sylvia Tzvetanova Yung, Timo Ojala
2017	J	`jnl`	Avoiding pitfalls when using machine learning in HCI studies. Interactions Vassilis Kostakos, Mirco Musolesi
2017	—	`conf`	Challenges of Quantified-Self: Encouraging Self-Reported Data Logging During Recurrent Smartphone Usage. BCS HCI Aku Visuri, Niels van Berkel, Chu Luo, Jorge Gonçalves, Denzil Ferreira, Vassilis Kostakos
2017	Misc	`conf`	Challenges of situational impairments during interaction with mobile devices. OZCHI Zhanna Sarsenbayeva, Niels van Berkel, Chu Luo, Vassilis Kostakos, Jorge Gonçalves
2017	J	`jnl`	Community Reminder: Participatory contextual reminder environments for local communities. Int. J. Hum. Comput. Stud. Tomoyo Sasao, Shin'ichi Konomi, Vassilis Kostakos, Keisuke Kuribayashi, Jorge Gonçalves
2017	J	`jnl`	CrowdPickUp: Crowdsourcing Task Pickup in the Wild. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Jorge Gonçalves, Simo Hosio, Niels van Berkel, Furqan Ahmed, Vassilis Kostakos
2017	J	`jnl`	Donating Context Data to Science: The Effects of Social Signals and Perceptions on Action-Taking. Interact. Comput. Yong Liu, Denzil Ferreira, Jorge Gonçalves, Simo Hosio, Pratyush Pandab, Vassilis Kostakos
2017	J	`jnl`	Editorial. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Gregory D. Abowd, Vassilis Kostakos, Silvia Santini, James Scott, Koji Yatani
2017	J	`jnl`	Eliciting Structured Knowledge from Situated Crowd Markets. ACM Trans. Internet Techn. Jorge Gonçalves, Simo Hosio, Vassilis Kostakos
2017	J	`jnl`	Environmental exposure assessment using indoor/outdoor detection on smartphones. Pers. Ubiquitous Comput. Theodoros Anagnostopoulos, Juan Camilo Garcia, Jorge Gonçalves, Denzil Ferreira, Simo Hosio, Vassilis Kostakos
2017	—	`ch.`	Erratum to: Observing Human Activity Through Sensing. Participatory Sensing, Opinions and Collective Awareness Sidharta Gautama, Martin Atzmueller, Vassilis Kostakos, Dominique Gillis, Simo Hosio
2017	J	`jnl`	Gamification of Mobile Experience Sampling Improves Data Quality and Quantity. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Niels van Berkel, Jorge Gonçalves, Simo Hosio, Vassilis Kostakos
2017	—	`ch.`	Human Sensors on the Move. Participatory Sensing, Opinions and Collective Awareness Denzil Ferreira, Vassilis Kostakos, Immanuel Schweizer
2017	—	`ch.`	Human Sensors. Participatory Sensing, Opinions and Collective Awareness Vassilis Kostakos, Jakob Rogstadius, Denzil Ferreira, Simo Hosio, Jorge Gonçalves
2017	—	`conf`	Large-scale offloading in the Internet of Things. PerCom Workshops Huber Flores, Xiang Su, Vassilis Kostakos, Aaron Yi Ding, Petteri Nurmi, Sasu Tarkoma, Pan Hui, Yong Li
2017	A	`conf`	Modeling Mobile Code Acceleration in the Cloud. ICDCS Huber Flores, Xiang Su, Vassilis Kostakos, Jukka Riekki, Eemil Lagerspetz, Sasu Tarkoma, Pan Hui, Yong Li, Jukka Manner
2017	—	`ch.`	Observing Human Activity Through Sensing. Participatory Sensing, Opinions and Collective Awareness Sidharta Gautama, Martin Atzmueller, Vassilis Kostakos, Dominique Gillis, Simo Hosio
2017	B	`conf`	Predicting interruptibility for manual data collection: a cluster-based user model. MobileHCI Aku Visuri, Niels van Berkel, Chu Luo, Jorge Gonçalves, Denzil Ferreira, Vassilis Kostakos
2017	A*	`conf`	Quantifying Sources and Types of Smartwatch Usage Sessions. CHI Aku Visuri, Zhanna Sarsenbayeva, Niels van Berkel, Jorge Gonçalves, Reza Rawassizadeh, Vassilis Kostakos, Denzil Ferreira
2017	—	`conf`	Rapid clock synchronisation for ubiquitous sensing services involving multiple smartphones. UbiComp/ISWC Adjunct Chu Luo, Henri Koski, Mikko Korhonen, Jorge Gonçalves, Theodoros Anagnostopoulos, Shin'ichi Konomi, Simon Klakegg, Vassilis Kostakos
2017	J	`jnl`	Sensing Cold-Induced Situational Impairments in Mobile Interaction Using Battery Temperature. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Zhanna Sarsenbayeva, Niels van Berkel, Aku Visuri, Sirkka Rissanen, Hannu Rintamäki, Vassilis Kostakos, Jorge Gonçalves
2017	J	`jnl`	Smartphone App Usage Prediction Using Points of Interest. CoRR Donghan Yu, Yong Li, Fengli Xu, Pengyu Zhang, Vassilis Kostakos
2017	J	`jnl`	Smartphone App Usage Prediction Using Points of Interest. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Donghan Yu, Yong Li, Fengli Xu, Pengyu Zhang, Vassilis Kostakos
2017	—	`conf`	Smartphone detection of collapsed buildings during earthquakes. UbiComp/ISWC Adjunct Aku Visuri, Zeyun Zhu, Denzil Ferreira, Shin'ichi Konomi, Vassilis Kostakos
2017	J	`jnl`	Social-aware hybrid mobile offloading. Pervasive Mob. Comput. Huber Flores, Rajesh Sharma, Denzil Ferreira, Vassilis Kostakos, Jukka Manner, Sasu Tarkoma, Pan Hui, Yong Li
2017	J	`jnl`	Tapping Task Performance on Smartphones in Cold Temperature. Interact. Comput. Jorge Gonçalves, Zhanna Sarsenbayeva, Niels van Berkel, Chu Luo, Simo Hosio, Sirkka Risanen, Hannu Rintamäki, Vassilis Kostakos
2017	—	`conf`	Task Routing and Assignment in Crowdsourcing based on Cognitive Abilities. WWW (Companion Volume) Jorge Gonçalves, Michael Feldman, Subingqian Hu, Vassilis Kostakos, Abraham Bernstein
2017	J	`jnl`	TestAWARE: A Laboratory-Oriented Testing Tool for Mobile Context-Aware Applications. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Chu Luo, Miikka Kuutila, Simon Klakegg, Denzil Ferreira, Huber Flores, Jorge Gonçalves, Mika Mäntylä, Vassilis Kostakos
2017	A	`conf`	Towards Commoditised Near Infrared Spectroscopy. Conference on Designing Interactive Systems Simon Klakegg, Jorge Gonçalves, Niels van Berkel, Chu Luo, Simo Hosio, Vassilis Kostakos
2017	—	`conf`	UbiMI'17: ubiquitous mobile instrumentation. UbiComp/ISWC Adjunct Aku Visuri, Denzil Ferreira, Susanna Pirttikangas, Vassilis Kostakos, Kåre Synnes, Janne Lindqvist, Yuuki Nishiyama
2017	—	`conf`	Vision-based happiness inference: a feasibility case-study. UbiComp/ISWC Adjunct Zhanna Sarsenbayeva, Denzil Ferreira, Niels van Berkel, Chu Luo, Mikko Vaisanen, Vassilis Kostakos, Jorge Gonçalves
2017	J	`jnl`	Where's everybody? Comparing the use of heatmaps to uncover cities' tacit social context in smartphones and pervasive displays. J. Inf. Technol. Tour. Andreas Komninos, Jeries Besharat, Denzil Ferreira, John D. Garofalakis, Vassilis Kostakos
2016	A*	`conf`	A Systematic Assessment of Smartphone Usage Gaps. CHI Niels van Berkel, Chu Luo, Theodoros Anagnostopoulos, Denzil Ferreira, Jorge Gonçalves, Simo Hosio, Vassilis Kostakos
2016	Misc	`conf`	A data hiding approach for sensitive smartphone data. UbiComp Chu Luo, Angelos Fylakis, Juha Partala, Simon Klakegg, Jorge Gonçalves, Kaitai Liang, Tapio Seppänen, Vassilis Kostakos
2016	A	`conf`	Crowdsourcing Queue Estimations in Situ. CSCW Jorge Gonçalves, Hannu Kukka, Iván Sánchez Milara, Vassilis Kostakos
2016	J	`jnl`	Cyclist-aware traffic lights through distributed smartphone sensing. Pervasive Mob. Comput. Theodoros Anagnostopoulos, Denzil Ferreira, Alexander Samodelkin, Muzamil Ahmed, Vassilis Kostakos
2016	J	`jnl`	Fragmentation or cohesion? Visualizing the process and consequences of information system diversity, 1993-2012. Eur. J. Inf. Syst. Yong Liu, Hongxiu Li, Jorge Gonçalves, Vassilis Kostakos, Bei Xiao
2016	—	`conf`	How to validate mobile crowdsourcing design? leveraging data integration in prototype testing. UbiComp Adjunct Chu Luo, Miikka Kuutila, Simon Klakegg, Denzil Ferreira, Huber Flores, Jorge Gonçalves, Vassilis Kostakos, Mika Mäntylä
2016	B	`conf`	Indoor light scavenging on smartphones. MUM Denzil Ferreira, Christian Schuss, Chu Luo, Jorge Gonçalves, Vassilis Kostakos, Timo Rahkonen
2016	—	`conf`	Instrumenting smartphones with portable NIRS. UbiComp Adjunct Simon Klakegg, Chu Luo, Jorge Gonçalves, Simo Hosio, Vassilis Kostakos
2016	—	`conf`	Leveraging Wisdom of the Crowd for Decision Support. BCS HCI Simo Hosio, Jorge Gonçalves, Theodoros Anagnostopoulos, Vassilis Kostakos
2016	—	`conf`	Measuring group dynamics in an elementary school setting using mobile devices. UbiComp Adjunct Niels van Berkel, Sergei Kopytin, Simo Hosio, Jonna Malmberg, Hanna Järvenoja, Vassilis Kostakos
2016	—	`conf`	Mobile Phone Usage Cycles: A Torus Topology for Spherical Visualisation. CHI Extended Abstracts Julie R. Williamson, John Williamson, Vassilis Kostakos, Keith Hamilton, Jeremy Green
2016	J	`jnl`	Modeling consumer switching behavior in social network games by exploring consumer cognitive dissonance and change experience. Ind. Manag. Data Syst. Yong Liu, Hongxiu Li, Xiaoyu Xu, Vassilis Kostakos, Jukka Heikkilä
2016	Misc	`conf`	Modelling smartphone usage: a markov state transition model. UbiComp Vassilis Kostakos, Denzil Ferreira, Jorge Gonçalves, Simo Hosio
2016	A*	`conf`	Monetary Assessment of Battery Life on Smartphones. CHI Simo Hosio, Denzil Ferreira, Jorge Gonçalves, Niels van Berkel, Chu Luo, Muzamil Ahmed, Huber Flores, Vassilis Kostakos
2016	J	`jnl`	Practical simulation of virtual crowds using points of interest. Comput. Environ. Urban Syst. Matti Pouke, Jorge Gonçalves, Denzil Ferreira, Vassilis Kostakos
2016	—	`ed.`	Proceedings of the 5th ACM International Symposium on Pervasive Displays, PerDis 2016, Oulu, Finland, June 20 - 22, 2016 PerDis Timo Ojala, Vassilis Kostakos, Jörg Müller, Nemanja Memarovic
2016	Misc	`conf`	Situational impairments to mobile interaction in cold environments. UbiComp Zhanna Sarsenbayeva, Jorge Gonçalves, Juan Francisco García Navarro, Simon Klakegg, Sirkka Rissanen, Hannu Rintamäki, Jari Hannu, Vassilis Kostakos
2016	—	`conf`	Social-aware device-to-device communication: a contribution for edge and fog computing? UbiComp Adjunct Huber Flores, Denzil Ferreira, Chu Luo, Vassilis Kostakos, Pan Hui, Rajesh Sharma, Sasu Tarkoma, Yong Li
2016	J	`jnl`	Toward Meaningful Engagement with Pervasive Displays. IEEE Pervasive Comput. Simo Hosio, Hannu Kukka, Jorge Gonçalves, Vassilis Kostakos, Timo Ojala
2016	J	`jnl`	Worker Performance in a Situated Crowdsourcing Market. Interact. Comput. Jorge Gonçalves, Simo Hosio, Yong Liu, Vassilis Kostakos
2015	J	`jnl`	AWARE: mobile context instrumentation framework. Frontiers ICT Denzil Ferreira, Vassilis Kostakos, Anind K. Dey
2015	—	`conf`	Bazaar: a situated crowdsourcing market. UbiComp/ISWC Adjunct Jorge Gonçalves, Simo Hosio, Denzil Ferreira, Theodoros Anagnostopoulos, Vassilis Kostakos
2015	—	`conf`	Life through the lens: a qualitative investigation of human behaviour with an urban photography service. BCS HCI Simo Hosio, Richard H. R. Harper, Kenton O'Hara, Jorge Gonçalves, Vassilis Kostakos
2015	J	`jnl`	Motivating participation and improving quality of contribution in ubiquitous crowdsourcing. Comput. Networks Jorge Gonçalves, Simo Hosio, Jakob Rogstadius, Evangelos Karapanos, Vassilis Kostakos
2015	Misc	`conf`	Revisitation analysis of smartphone app use. UbiComp Simon L. Jones, Denzil Ferreira, Simo Hosio, Jorge Gonçalves, Vassilis Kostakos
2015	—	`conf`	Securacy: an empirical investigation of Android applications' network usage, privacy and security. WISEC Denzil Ferreira, Vassilis Kostakos, Alastair R. Beresford, Janne Lindqvist, Anind K. Dey
2015	J	`jnl`	The Rise of Ubiquitous Instrumentation. Frontiers ICT Vassilis Kostakos, Denzil Ferreira
2015	J	`jnl`	The big hole in HCI research. Interactions Vassilis Kostakos
2015	—	`conf`	The curse of quantified-self: an endless quest for answers. UbiComp/ISWC Adjunct Niels van Berkel, Chu Luo, Denzil Ferreira, Jorge Gonçalves, Vassilis Kostakos
2015	J	`jnl`	Urban traffic analysis through multi-modal sensing. Pers. Ubiquitous Comput. Mikko Perttunen, Vassilis Kostakos, Jukka Riekki, Timo Ojala
2015	—	`conf`	Workshop on mobile and situated crowdsourcing. UbiComp/ISWC Adjunct Jorge Gonçalves, Simo Hosio, Vassilis Kostakos, Maja Vukovic, Shin'ichi Konomi
2014	J	`jnl`	An empirical investigation of mobile government adoption in rural China: A case study in Zhejiang province. Gov. Inf. Q. Yong Liu, Hongxiu Li, Vassilis Kostakos, Jorge Gonçalves, Simo Hosio, Feng Hu
2014	A*	`conf`	CHI 1994-2013: mapping two decades of intellectual progress through co-word analysis. CHI Yong Liu, Jorge Gonçalves, Denzil Ferreira, Bei Xiao, Simo Hosio, Vassilis Kostakos
2014	J	`jnl`	Citizen Motivation on the Go: The Role of Psychological Empowerment. Interact. Comput. Jorge Gonçalves, Vassilis Kostakos, Evangelos Karapanos, Mary Barreto, Tiago Camacho, Anthony Tomasic, John Zimmerman
2014	—	`conf`	Contextual experience sampling of mobile application micro-usage. Mobile HCI Denzil Ferreira, Jorge Gonçalves, Vassilis Kostakos, Louise Barkhuus, Anind K. Dey
2014	J	`jnl`	Eliciting situated feedback: A comparison of paper, web forms and public displays. Displays Jorge Gonçalves, Simo Hosio, Yong Liu, Vassilis Kostakos
2014	A	`conf`	Game of words: tagging places through crowdsourcing on public displays. Conference on Designing Interactive Systems Jorge Gonçalves, Simo Hosio, Denzil Ferreira, Vassilis Kostakos
2014	Misc	`conf`	Identity crisis of ubicomp?: mapping 15 years of the field's development and paradigm change. UbiComp Yong Liu, Jorge Gonçalves, Denzil Ferreira, Simo Hosio, Vassilis Kostakos
2014	—	`conf`	Mobile cloud storage: a contextual experience. Mobile HCI Karel Vandenbroucke, Denzil Ferreira, Jorge Gonçalves, Vassilis Kostakos, Katrien De Moor
2014	J	`jnl`	Modeling What Friendship Patterns on Facebook Reveal About Personality and Social Capital. ACM Trans. Comput. Hum. Interact. Yong Liu, Jayant Venkatanathan, Jorge Gonçalves, Evangelos Karapanos, Vassilis Kostakos
2014	J	`jnl`	Multipurpose Public Displays: Can Automated Grouping of Applications and Services Enhance User Experience? Int. J. Hum. Comput. Interact. Christos Katsanos, Nikolaos K. Tselios, Jorge Gonçalves, Tomi Juntunen, Vassilis Kostakos
2014	J	`jnl`	Online Disclosure of Personally Identifiable Information with Strangers: Effects of Public and Private Sharing. Interact. Comput. Jayant Venkatanathan, Vassilis Kostakos, Evangelos Karapanos, Jorge Gonçalves
2014	Misc	`conf`	Projective testing of diurnal collective emotion. UbiComp Jorge Gonçalves, Pratyush Pandab, Denzil Ferreira, Mohammad Ghahramani, Guoying Zhao, Vassilis Kostakos
2014	Misc	`conf`	Pulse: low bitrate wireless magnetic communication for smartphones. UbiComp Weiwei Jiang, Denzil Ferreira, Jani Ylioja, Jorge Gonçalves, Vassilis Kostakos
2014	A*	`conf`	Situated crowdsourcing using a market model. UIST Simo Hosio, Jorge Gonçalves, Vili Lehdonvirta, Denzil Ferreira, Vassilis Kostakos
2014	J	`jnl`	Spatio-temporal patterns link your digital identities. Comput. Environ. Urban Syst. Mikko Perttunen, Vassilis Kostakos, Jukka Riekki, Timo Ojala
2014	—	`conf`	Tandem Browsing Toolkit: Distributed Multi-Display Interfaces with Web Technologies. PerDis Tommi Heikkinen, Jorge Gonçalves, Vassilis Kostakos, Ivan Elhart, Timo Ojala
2013	B	`conf`	A network science approach to modelling and predicting empathy. ASONAM Jayant Venkatanathan, Evangelos Karapanos, Vassilis Kostakos, Jorge Gonçalves
2013	—	`conf`	An introduction for system developers to volunteer roles in crisis response and recovery. ISCRAM Jakob Rogstadius, Claudio Teixeira, Evangelos Karapanos, Vassilis Kostakos
2013	A*	`conf`	An online system with end-user services: mining novelty concepts from tv broadcast subtitles. KDD Mika Rautiainen, Jouni Sarvanko, Arto Heikkinen, Mika Ylianttila, Vassilis Kostakos
2013	—	`conf`	Application discoverability on multipurpose public displays: popularity comes at a price. PerDis Simo Hosio, Jorge Gonçalves, Vassilis Kostakos
2013	J	`jnl`	CrisisTracker: Crowdsourced social media curation for disaster awareness. IBM J. Res. Dev. Jakob Rogstadius, Maja Vukovic, C. A. Teixeira, Vassilis Kostakos, Evangelos Karapanos, Jim Laredo
2013	Misc	`conf`	Crowdsourcing on the spot: altruistic use of public displays, feasibility, performance, and behaviours. UbiComp Jorge Gonçalves, Denzil Ferreira, Simo Hosio, Yong Liu, Jakob Rogstadius, Hannu Kukka, Vassilis Kostakos
2013	—	`conf`	Human interfaces for civic and urban engagement: HiCUE '13. UbiComp (Adjunct Publication) Simo Hosio, Jorge Gonçalves, Vassilis Kostakos, Keith Cheverst, Yvonne Rogers
2013	A	`conf`	IncluCity: using contextual cues to raise awareness on environmental accessibility. ASSETS Jorge Gonçalves, Vassilis Kostakos, Simo Hosio, Evangelos Karapanos, Olga Lyra
2013	J	`jnl`	Introduction to the special issue on social networks and ubiquitous interactions. Int. J. Hum. Comput. Stud. Vassilis Kostakos, Mirco Musolesi
2013	—	`conf`	Kuukkeli-TV: Online content-based services and applications for broadcast TV with long-term user experiments. ICME Workshops Mika Rautiainen, Arto Heikkinen, Jouni Sarvanko, Vassilis Kostakos, Mika Ylianttila
2013	J	`jnl`	Multipurpose Public Displays: How Shortcut Menus Affect Usage. IEEE Computer Graphics and Applications Vassilis Kostakos, Hannu Kukka, Jorge Gonçalves, Nikolaos K. Tselios, Timo Ojala
2013	B	`conf`	Narrowcasting in social media: effects and perceptions. ASONAM Jorge Gonçalves, Vassilis Kostakos, Jayant Venkatanathan
2013	J	`jnl`	Public Displays Invade Urban Spaces. IEEE Pervasive Comput. Vassilis Kostakos, Timo Ojala
2013	Misc	`conf`	Revisiting human-battery interaction with an interactive battery interface. UbiComp Denzil Ferreira, Eija Ferreira, Jorge Gonçalves, Vassilis Kostakos, Anind K. Dey
2013	—	`conf`	SOFTec 2013: second workshop on computer mediated social offline interactions. UbiComp (Adjunct Publication) Nemanja Memarovic, Vassilis Kostakos, Geraldine Fitzpatrick, Albrecht Schmidt
2013	J	`jnl`	This is not classified: everyday information seeking and encountering in smart urban spaces. Pers. Ubiquitous Comput. Hannu Kukka, Vassilis Kostakos, Timo Ojala, Johanna Ylipulli, Tiina Suopajärvi, Marko Jurmu, Simo Hosio
2013	—	`conf`	Time shifting patterns in browsing and search behavior for catch-up TV on the web. EuroITV Mika Rautiainen, Arto Heikkinen, Jouni Sarvanko, Konstantinos Chorianopoulos, Vassilis Kostakos, Mika Ylianttila
2013	J	`jnl`	Towards proximity-based passenger sensing on public transport buses. Pers. Ubiquitous Comput. Vassilis Kostakos, Tiago Camacho, Claudio Mantero
2013	J	`jnl`	Traffic in the Smart City: Exploring City-Wide Sensing for Traffic Control Center Augmentation. IEEE Internet Comput. Vassilis Kostakos, Timo Ojala, Tomi Juntunen
2013	—	`conf`	Ubiquitous mobile instrumentation. UbiComp (Adjunct Publication) Denzil Ferreira, Christian Koehler, Evangelos Karapanos, Vassilis Kostakos
2013	A*	`conf`	What makes you click: exploring visual signals to entice interaction on public displays. CHI Hannu Kukka, Heidi Oja, Vassilis Kostakos, Jorge Gonçalves, Timo Ojala
2012	—	`ch.`	A Scalable Sensor Middleware for Social End-User Programming. Mobile Context Awareness Salvador Faria, Vassilis Kostakos
2012	J	`jnl`	Correlating Pedestrian Flows and Search Engine Queries CoRR Vassilis Kostakos, Simo Hosio, Jorge Gonçalves
2012	—	`conf`	From School Food to Skate Parks in a Few Clicks: Using Public Displays to Bootstrap Civic Engagement of the Young. Pervasive Simo Hosio, Vassilis Kostakos, Hannu Kukka, Marko Jurmu, Jukka Riekki, Timo Ojala
2012	J	`jnl`	ICTD Work, Plus mFeel. IEEE Pervasive Comput. Jörg Dörflinger, Tom Gross, Olga Lyra, Evangelos Karapanos, Vassilis Kostakos, Ismael Cuadrado-Cordero, Luis Miguel Soria-Morillo, Luis González Abril, Juan Antonio Ortega-Ramírez, Iván Pau de la Cruz, Miguel Ángel Valero Duboy, Eiman Kanjo
2012	—	`conf`	Keynote: From labs to cities: Mapping the social impact of ubiquitous technologies. PerCom Workshops Vassilis Kostakos
2012	J	`jnl`	Lessons Learned from Large-Scale User Studies: Using Android Market as a Source of Data. Int. J. Mob. Hum. Comput. Interact. Denzil Ferreira, Vassilis Kostakos, Anind K. Dey
2012	J	`jnl`	Multipurpose Interactive Public Displays in the Wild: Three Years Later. Computer Timo Ojala, Vassilis Kostakos, Hannu Kukka, Tommi Heikkinen, Tomas Lindén, Marko Jurmu, Simo Hosio, Fabio Kruger, Daniele Zanni
2012	—	`conf`	Network, personality and social capital. WebSci Jayant Venkatanathan, Evangelos Karapanos, Vassilis Kostakos, Jorge Gonçalves
2012	B	`conf`	Testdroid: automated remote UI testing on Android. MUM Jouko Kaasila, Denzil Ferreira, Vassilis Kostakos, Timo Ojala
2012	—	`conf`	Towards multi-application public interactive displays. PerDis Tomas Lindén, Tommi Heikkinen, Vassilis Kostakos, Denzil Ferreira, Timo Ojala
2012	J	`jnl`	Training users vs. training soldiers: experiences from the battlefield. Commun. ACM Vassilis Kostakos
2012	B	`conf`	Two field trials on the efficiency of unsolicited Bluetooth proximity marketing. MUM Timo Ojala, Fabio Kruger, Vassilis Kostakos, Ville Valkama
2012	Misc	`conf`	UbiMI: ubiquitous mobile instrumentation. UbiComp Denzil Ferreira, Emiliano Miluzzo, Jonna Häkkilä, Tom Lovett, Vassilis Kostakos
2012	—	`conf`	Web tool for traffic engineers: direct manipulation and visualization of vehicular traffic using Google maps. MindTrek Tomi Juntunen, Vassilis Kostakos, Mikko Perttunen, Denzil Ferreira
2012	Misc	`conf`	Workshop on Computer Mediated Social Offline Interactions (SOFTec 2012). UbiComp Nemanja Memarovic, Marc Langheinrich, Vassilis Kostakos, Geraldine Fitzpatrick, Elaine M. Huang
2011	A	`conf`	An Assessment of Intrinsic and Extrinsic Motivation on Task Performance in Crowdsourcing Markets. ICWSM Jakob Rogstadius, Vassilis Kostakos, Aniket Kittur, Boris Smus, Jim Laredo, Maja Vukovic
2011	B	`conf`	Haptics for tangible interaction: a vibro-tactile prototype. TEI Andrea Bianchi, Ian Oakley, Jong Keun Lee, Dong-Soo Kwon, Vassilis Kostakos
2011	—	`conf`	Improving Users' Consistency When Recalling Location Sharing Preferences. INTERACT (1) Jayant Venkatanathan, Denzil Ferreira, Michael Benisch, Jialiu Lin, Evangelos Karapanos, Vassilis Kostakos, Norman M. Sadeh, Eran Toch
2011	—	`conf`	Information to Go: Exploring In-Situ Information Pick-Up "In the Wild". INTERACT (2) Hannu Kukka, Fabio Kruger, Vassilis Kostakos, Timo Ojala, Marko Jurmu
2011	—	`conf`	Intelligent Playgrounds: Measuring and Affecting Social Inclusion in Schools. INTERACT (4) Olga Lyra, Evangelos Karapanos, Vassilis Kostakos
2011	—	`conf`	Sharing Ephemeral Information in Online Social Networks: Privacy Perceptions and Behaviours. INTERACT (3) Bernardo Reynolds, Jayant Venkatanathan, Jorge Gonçalves, Vassilis Kostakos
2011	J	`jnl`	The challenges and opportunities of designing pervasive systems for deep-space colonies. Pers. Ubiquitous Comput. Vassilis Kostakos
2011	B	`conf`	The phone lock: audio and haptic shoulder-surfing resistant PIN entry methods for mobile devices. TEI Andrea Bianchi, Ian Oakley, Vassilis Kostakos, Dong-Soo Kwon
2011	B	`conf`	UBI challenge: research coopetition on real-world urban computing. MUM Timo Ojala, Vassilis Kostakos
2011	—	`conf`	Understanding Human-Smartphone Concerns: A Study of Battery Life. Pervasive Denzil Ferreira, Anind K. Dey, Vassilis Kostakos
2011	Misc	`conf`	Who's your best friend?: targeted privacy attacks In location-sharing social networks. UbiComp Vassilis Kostakos, Jayant Venkatanathan, Bernardo Reynolds, Norman M. Sadeh, Eran Toch, Siraj A. Shaikh, Simon L. Jones
2010	—	`conf`	A wireless infrastructure for delivering contextual services and studying transport behavior. ITSC Tiago Camacho, Vassilis Kostakos, Claudio Mantero
2010	J	`jnl`	Brief encounters: Sensing, modeling and visualizing urban mobility and copresence networks. ACM Trans. Comput. Hum. Interact. Vassilis Kostakos, Eamonn O'Neill, Alan Penn, George Roussos, Dikaios Papadogkonas
2010	—	`ch.`	Exploring Digital Encounters in the Public Arena. Shared Encounters Ava Fatah gen. Schieck, Vassilis Kostakos, Alan Penn
2010	—	`conf`	Hide and seek: location sharing practices with social media. Mobile HCI Daniel Wagner, Mariana Lopez, André Dória, Iryna Pavlyshak, Vassilis Kostakos, Ian Oakley, Tasos Spiliotopoulos
2010	J	`jnl`	Inferring social networks from physical interactions: a feasibility study. Int. J. Pervasive Comput. Commun. Vassilis Kostakos, Panos A. Kostakos
2010	—	`conf`	Making Friends in Life and Online: Equivalence, Micro-Correlation and Value in Spatial and Transpatial Social Networks. SocialCom/PASSAT Vassilis Kostakos, Jayant Venkatanathan
2010	—	`conf`	Running gestures: hands-free interaction during physical activity. UbiComp (Adjunct Papers) Boris Smus, Vassilis Kostakos
2010	—	`conf`	Wireless detection of end-to-end passenger trips on public transport buses. ITSC Vassilis Kostakos, Tiago Camacho, Claudio Mantero
2009	J	`jnl`	An empirical study of spatial and transpatial social networks using Bluetooth and Facebook CoRR Vassilis Kostakos
2009	—	`ch.`	Cityware. Handbook of Research on Urban Informatics Vassilis Kostakos, Eamonn O'Neill
2009	A*	`conf`	Designing trustworthy situated services: an implicit and explicit assessment of locative images-effect on trust. CHI Vassilis Kostakos, Ian Oakley
2009	—	`conf`	Is the Crowd's Wisdom Biased? A Quantitative Analysis of Three Online Communities. CSE (4) Vassilis Kostakos
2009	J	`jnl`	Is the crowd's wisdom biased? A quantitative asessment of three online communities CoRR Vassilis Kostakos
2009	J	`jnl`	Understanding and measuring the urban pervasive infrastructure. Pers. Ubiquitous Comput. Vassilis Kostakos, Tom Nicolai, Eiko Yoneki, Eamonn O'Neill, Holger Kenn, Jon Crowcroft
2009	J	`jnl`	rfid in pervasive computing: State-of-the-art and outlook. Pervasive Mob. Comput. George Roussos, Vassilis Kostakos
2008	—	`conf`	Human-in-the-loop: rethinking security in mobile and pervasive systems. CHI Extended Abstracts Vassilis Kostakos
2008	A*	`conf`	Improving Emergency Response to Mass Casualty Incidents. PerCom Marcus Lucas da Silva, Vassilis Kostakos, Mitsuji Matsumoto
2008	J	`jnl`	Intelligence gathering by capturing the social processes within prisons CoRR Vassilis Kostakos, Panos A. Kostakos
2008	J	`jnl`	Size matters: performance declines if your pixels are too big or too small CoRR Vassilis Kostakos, Eamonn O'Neill
2008	—	`conf`	Social networking 2.0. CHI Extended Abstracts Vassilis Kostakos
2008	J	`jnl`	The privacy implications of Bluetooth CoRR Vassilis Kostakos
2008	—	`conf`	Urban encounters: the game of real life. CHI Extended Abstracts Vassilis Kostakos
2008	J	`jnl`	Using Bluetooth to capture passenger trips on public transport buses CoRR Vassilis Kostakos
2007	J	`jnl`	Brief encounter networks CoRR Vassilis Kostakos, Eamonn O'Neill, Alan Penn
2007	—	`conf`	NFC on Mobile Phones: Issues, Lessons and Future Research. PerCom Workshops Vassilis Kostakos, Eamonn O'Neill
2006	—	`conf`	Building Common Ground for Face to Face Interactions by Sharing Mobile Device Context. LoCA Vassilis Kostakos, Eamonn O'Neill, Anuroop Shahi
2006	J	`jnl`	Can we do without GUIs? Gesture and speech interaction with a patient information system. Pers. Ubiquitous Comput. Eamonn O'Neill, Manasawee Kaenampornpan, Vassilis Kostakos, Andrew Warr, Dawn Woodgate
2006	J	`jnl`	Designing Urban Pervasive Systems. Computer Vassilis Kostakos, Eamonn O'Neill, Alan Penn
2006	Misc	`conf`	Instrumenting the City: Developing Methods for Observing and Understanding the Digital Cityscape. UbiComp Eamonn O'Neill, Vassilis Kostakos, Tim Kindberg, Ava Fatah gen. Schieck, Alan Penn, Danae Stanton Fraser, Tim Jones
2005	J	`jnl`	The social implications of emerging technologies. Interact. Comput. Vassilis Kostakos, Eamonn O'Neill, Linda Little, Elizabeth Sillence
2005	—	`conf`	UbiSoc 2005: first international workshop on social implications of ubiquitous computing. CHI Extended Abstracts Vlad Coroama, Vassilis Kostakos, Carsten Magerkurth, Irene López de Vallejo
2004	—	`—`	A design framework for pervasive computing systems. Vassilis Kostakos
2004	A	`conf`	Easing the wait in the emergency room: building a theory of public information systems. Conference on Designing Interactive Systems Eamonn O'Neill, Dawn Woodgate, Vassilis Kostakos
2004	—	`conf`	Pervasive Computing in Emergency Situations. HICSS Vassilis Kostakos, Eamonn O'Neill