Sven Helmer - RankMe

109 papers A* 11A 2B 8C 9Misc 2Journal 41Unranked 33

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	An Experimental Comparison of Tree-data Structures for Connectivity Queries on Fully-dynamic Undirected Graphs. Proc. ACM Manag. Data Qing Chen, Michael H. Böhlen, Sven Helmer
2025	J	`jnl`	An experimental comparison of tree-data structures for connectivity queries on fully-dynamic undirected graphs (Extended Version). CoRR Qing Chen, Michael H. Böhlen, Sven Helmer
2025	J	`jnl`	Using the Hurwicz Criterion to Optimize Selection Queries Under Partial Ignorance. Int. J. Semantic Comput. Sven Helmer, Peter T. Wood, Manuel Stuefer
2024	—	`conf`	Optimism and Pessimism in Database Query Optimisation. ICSC Sven Helmer, Peter T. Wood, Manuel Stuefer
2024	A*	`conf`	Quantifying and Estimating the Predictability Upper Bound of Univariate Numeric Time Series. KDD Jamal Mohammed, Michael H. Böhlen, Sven Helmer
2024	—	`conf`	Reproducibility Report for ACM SIGMOD 2023 Paper: 'MorphStream: Adaptive Scheduling for Scalable Transactional Stream Processing on Multicores'. SIGMOD/PODS Ayushi Singh, Sven Helmer, Yancan Mao, Jianjun Zhao, Shuhao Zhang
2023	J	`jnl`	Correlation Joins over Time Series Data Streams Utilizing Complementary Dimension Reduction and Transformation. Proc. ACM Manag. Data AmirReza Alizade Nikoo, Michael H. Böhlen, Sven Helmer
2023	J	`jnl`	Robust and scalable content-and-structure indexing. VLDB J. Kevin Wellenzohn, Michael H. Böhlen, Sven Helmer, Antoine Pietri, Stefano Zacchiroli
2023	Misc	`conf`	Workload-Aware Contention-Management in Indexes for Hierarchical Data. BTW Kevin Wellenzohn, Michael H. Böhlen, Sven Helmer, Marcel Reutegger
2022	J	`jnl`	Dynamic Spanning Trees for Connectivity Queries on Fully-dynamic Undirected Graphs (Extended version). CoRR Qing Chen, Oded Lachish, Sven Helmer, Michael H. Böhlen
2022	J	`jnl`	Dynamic Spanning Trees for Connectivity Queries on Fully-dynamic Undirected Graphs. Proc. VLDB Endow. Qing Chen, Oded Lachish, Sven Helmer, Michael H. Böhlen
2022	J	`jnl`	Robust and Scalable Content-and-Structure Indexing (Extended Version). CoRR Kevin Wellenzohn, Michael H. Böhlen, Sven Helmer, Antoine Pietri, Stefano Zacchiroli
2021	J	`jnl`	Cache-efficient sweeping-based interval joins for extended Allen relation predicates. VLDB J. Danila Piatov, Sven Helmer, Anton Dignös, Fabio Persia
2021	—	`conf`	DanceMoves: A Visual Analytics Tool for Dance Movement Analysis. EuroVis (Short Papers) Vasiliki Arpatzoglou, Artemis Kardara, Alexandra Diehl, Barbara Flueckiger, Sven Helmer, Renato Pajarola
2021	C	`conf`	Inserting Keys into the Robust Content-and-Structure (RCAS) Index. ADBIS Kevin Wellenzohn, Luka Popovic, Michael H. Böhlen, Sven Helmer
2021	J	`jnl`	Structural Textile Pattern Recognition and Processing Based on Hypergraphs. CoRR Vuong M. Ngo, Sven Helmer, Nhien-An Le-Khac, M. Tahar Kechadi
2021	J	`jnl`	Structural textile pattern recognition and processing based on hypergraphs. Inf. Retr. J. Vuong M. Ngo, Sven Helmer, Nhien-An Le-Khac, M. Tahar Kechadi
2020	J	`jnl`	A Blockchain-based Decentralized Electronic Marketplace for Computing Resources. SN Comput. Sci. Matteo Nardini, Sven Helmer, Nabil El Ioini, Claus Pahl
2020	J	`jnl`	Cache-Efficient Sweeping-Based Interval Joins for Extended Allen Relation Predicates (Extended Version). CoRR Danila Piatov, Sven Helmer, Anton Dignös, Fabio Persia
2020	J	`jnl`	Dynamic Interleaving of Content and Structure for Robust Indexing of Semi-Structured Hierarchical Data (Extended Version). CoRR Kevin Wellenzohn, Michael H. Böhlen, Sven Helmer
2020	J	`jnl`	Dynamic Interleaving of Content and Structure for Robust Indexing of Semi-Structured Hierarchical Data. Proc. VLDB Endow. Kevin Wellenzohn, Michael H. Böhlen, Sven Helmer
2020	J	`jnl`	Improving orienteering-based tourist trip planning with social sensing. Future Gener. Comput. Syst. Fabio Persia, Giovanni Pilato, Mouzhi Ge, Paolo Bolzoni, Daniela D'Auria, Sven Helmer
2020	J	`jnl`	What is meaningful research and how should we measure it? Scientometrics Sven Helmer, David B. Blumenthal, Kathrin Paschen
2019	—	`ch.`	A Lightweight Container Middleware for Edge Cloud Architectures. Fog and Edge Computing David von Leon, Lorenzo Miori, Julian Sanin, Nabil El Ioini, Sven Helmer, Claus Pahl
2019	J	`jnl`	A semantic pattern for trusted orchestration in IoT edge clouds. Internet Technol. Lett. Claus Pahl, Nabil El Ioini, Sven Helmer, Brian Lee
2019	—	`conf`	High-Level Automatic Event Detection and User Classification in a Social Network Context. GraMSec Fabio Persia, Sven Helmer
2019	J	`jnl`	Interactive and space-efficient multi-dimensional time series subsequence matching. Inf. Syst. Danila Piatov, Sven Helmer, Anton Dignös, Johann Gamper
2019	—	`conf`	Predicting and Preventing Dangerous Events via Video Surveillance Using a Robotic Platform. IRC Daniela D'Auria, Fabio Persia, Fabio Bettini, Sven Helmer
2019	—	`conf`	Social Sensing for Improving the User Experience in Orienteering. ICSC Fabio Persia, Sven Helmer, Sergejs Pugacs, Giovanni Pilato
2018	C	`conf`	A Decision Framework for Blockchain Platforms for IoT and Edge Computing. IoTBDS Claus Pahl, Nabil El Ioini, Sven Helmer
2018	—	`conf`	A Framework for High-Level Event Detection in a Social Network Context Via an Extension of ISEQL. ICSC Fabio Persia, Sven Helmer
2018	C	`conf`	A Performance Exploration of Architectural Options for a Middleware for Decentralised Lightweight Edge Cloud Architectures. IoTBDS David von Leon, Lorenzo Miori, Julian Sanin, Nabil El Ioini, Sven Helmer, Claus Pahl
2018	J	`jnl`	A Similarity Measure for Weaving Patterns in Textiles. CoRR Sven Helmer, Vuong M. Ngo
2018	—	`conf`	An architecture pattern for trusted orchestration in IoT edge clouds. FMEC Claus Pahl, Nabil El Ioini, Sven Helmer, Brian Lee
2018	—	`conf`	EthernityDB - Integrating Database Functionality into a Blockchain. ADBIS (Short Papers and Workshops) Sven Helmer, Matteo Roggia, Nabil El Ioini, Claus Pahl
2018	—	`conf`	May I Have Your Attention, Please: - Building a Dystopian Attention Economy. WWW (Companion Volume) Sven Helmer
2018	—	`conf`	SARRI: A SmArt Rapiro Robot Integrating a Framework for Automatic High-Level Surveillance Event Detection. IRC Daniela D'Auria, Fabio Persia, Fabio Bettini, Sven Helmer, Bruno Siciliano
2017	—	`conf`	A Framework for Comparing Interactive Route Planning Apps in Tourism. EnCHIReS@EICS Sergejs Pugacs, Sven Helmer, Markus Zanker
2017	—	`conf`	A Platform for Edge Computing Based on Raspberry Pi Clusters. BICOD Lorenzo Miori, Julian Sanin, Sven Helmer
2017	J	`jnl`	A survey study on major technical barriers affecting the decision to adopt cloud services. CoRR Nattakarn Phaphoom, Xiaofeng Wang, Sarah Samuel, Sven Helmer, Pekka Abrahamsson
2017	J	`jnl`	Affordable and Energy-Efficient Cloud Computing Clusters: The Bolzano Raspberry Pi Cloud Cluster Experiment. CoRR Pekka Abrahamsson, Sven Helmer, Nattakarn Phaphoom, Lorenzo Nicolodi, Nick Preda, Lorenzo Miori, Matteo Angriman, Juha Rikkilä, Xiaofeng Wang, Karim Hamily, Sara Bugoloni
2017	A	`conf`	An Interactive Framework for Video Surveillance Event Detection and Modeling. CIKM Fabio Persia, Fabio Bettini, Sven Helmer
2017	B	`conf`	Hybrid Best-First Greedy Search for Orienteering with Category Constraints. SSTD Paolo Bolzoni, Sven Helmer
2017	C	`conf`	Interactive Time Series Subsequence Matching. ADBIS Danila Piatov, Sven Helmer, Johann Gamper
2017	—	`conf`	Itinerary Planning with Category Constraints Using a Probabilistic Approach. DEXA (2) Paolo Bolzoni, Fabio Persia, Sven Helmer
2017	—	`conf`	Labeling the Frames of a Video Stream with Interval Events. ICSC Fabio Persia, Fabio Bettini, Sven Helmer
2017	—	`conf`	Show, Don't Tell: Retrieving Cultural Assets via Gestures. JOWO Sven Helmer, Gerhard Glüher, Christian Upmeier
2017	J	`jnl`	Solving Orienteering with Category Constraints Using Prioritized Search. CoRR Paolo Bolzoni, Sven Helmer
2017	B	`conf`	Sweeping-Based Temporal Aggregation. SSTD Danila Piatov, Sven Helmer
2016	—	`conf`	A Container-Based Edge Cloud PaaS Architecture Based on Raspberry Pi Clusters. FiCloud Workshops Claus Pahl, Sven Helmer, Lorenzo Miori, Julian Sanin, Brian Lee
2016	Misc	`conf`	An Event Detection Framework Supported by a Smart Graphical User Interface. IRI Fabio Persia, Sven Helmer
2016	—	`conf`	An Interval-based Query Language for High-level Surveillance Event Detection. SEBD Sven Helmer, Fabio Persia
2016	A*	`conf`	An interval join optimized for modern hardware. ICDE Danila Piatov, Sven Helmer, Anton Dignös
2016	J	`jnl`	Bringing the Cloud to Rural and Remote Areas - Cloudlet by Cloudlet. CoRR Pekka Abrahamsson, Sven Helmer, Tosin Daniel Oyetoyan, Stefan Brocanelli, Filippo Cardano, Daniele Gadler, Daniel Morandini, Alessandro Piccoli, Saifur Salam, Julian Sanin, Alam Mahabub Shahrear, Angelo Ventura
2016	—	`conf`	Bringing the Cloud to Rural and Remote Areas via Cloudlets. ACM DEV Sven Helmer, Claus Pahl, Julian Sanin, Lorenzo Miori, Stefan Brocanelli, Filippo Cardano, Daniele Gadler, Daniel Morandini, Alessandro Piccoli, Saifur Salam, Alam Mahabub Sharear, Angelo Ventura, Pekka Abrahamsson, Tosin Daniel Oyetoyan
2016	—	`conf`	High-Level Surveillance Event Detection Using an Interval-Based Query Language. ICSC Sven Helmer, Fabio Persia
2016	J	`jnl`	ISEQL, an Interval-based Surveillance Event Query Language. Int. J. Multim. Data Eng. Manag. Sven Helmer, Fabio Persia
2016	B	`conf`	PIEJoin: Towards Parallel Set Containment Joins. SSDBM Anja Kunkel, Astrid Rheinländer, Christopher Schiefer, Sven Helmer, Panagiotis Bouros, Ulf Leser
2015	A*	`conf`	A Similarity Measure for Weaving Patterns in Textiles. SIGIR Sven Helmer, Vuong Minh Ngo
2015	J	`jnl`	A survey study on major technical barriers affecting the decision to adopt cloud services. J. Syst. Softw. Nattakarn Phaphoom, Xiaofeng Wang, Sarah Samuel, Sven Helmer, Pekka Abrahamsson
2015	J	`jnl`	An Ontological Approach to Creating an Andean Weaving Knowledge Base. ACM Journal on Computing and Cultural Heritage Richard Brownlow, Stefano Capuzzi, Sven Helmer, Luciana Martins, Immanuel Normann, Alexandra Poulovassilis
2015	A	`conf`	Ordering Selection Operators Under Partial Ignorance. CIKM Khaled Hamed Alyoubi, Sven Helmer, Peter T. Wood
2015	J	`jnl`	Ordering Selection Operators Using the Minmax Regret Rule. CoRR Khaled Hamed Alyoubi, Sven Helmer, Peter T. Wood
2014	—	`conf`	Efficient itinerary planning with category constraints. SIGSPATIAL/GIS Paolo Bolzoni, Sven Helmer, Kevin Wellenzohn, Johann Gamper, Periklis Andritsos
2014	—	`conf`	Inferring offline hierarchical ties from online social networks. WWW (Companion Volume) Mohammad Tareq Jaber, Peter T. Wood, Panagiotis Papapetrou, Sven Helmer
2014	B	`conf`	Using Time-Sensitive Rooted PageRank to Detect Hierarchical Social Relationships. IDA Mohammad Tareq Jaber, Panagiotis Papapetrou, Sven Helmer, Peter T. Wood
2013	—	`conf`	Affordable and Energy-Efficient Cloud Computing Clusters: The Bolzano Raspberry Pi Cloud Cluster Experiment. CloudCom (2) Pekka Abrahamsson, Sven Helmer, Nattakarn Phaphoom, Lorenzo Nicolodi, Nick Preda, Lorenzo Miori, Matteo Angriman, Juha Rikkilä, Xiaofeng Wang, Karim Hamily, Sara Bugoloni
2012	J	`jnl`	An impact ordering approach for indexing fuzzy sets. Fuzzy Sets Syst. Carlos D. Barranco, Sven Helmer
2012	J	`jnl`	Integrating Star and Snowflake Schemas in Data Warehouses. Int. J. Data Warehous. Min. Georgia Garani, Sven Helmer
2012	J	`jnl`	Measuring structural similarity of semistructured data based on information-theoretic approaches. VLDB J. Sven Helmer, Nikolaus Augsten, Michael H. Böhlen
2011	J	`jnl`	A Comparative Case Study of Indonesian and UK Organisational Culture Differences in IS Project Management. Int. J. Technol. Hum. Interact. Andrew McDonald, Sven Helmer
2009	—	`conf`	Increasing the Performance of Fuzzy Retrieval Using Impact Ordering. IFSA/EUSFLAT Conf. Carlos D. Barranco, Sven Helmer
2009	C	`conf`	On the Termination Problem for Declarative XML Message Processing. DEXA Tadeusz Litak, Sven Helmer
2009	—	`conf`	Towards Building a Knowledge Base for Research on Andean Weaving. BNCOD Denise Y. Arnold, Sven Helmer, Rodolfo Velásquez Arando
2008	B	`conf`	Fault-Tolerant Compression Algorithms for Delay-Sensitive Sensor Networks with Unreliable Links. DCOSS Alexandre Guitton, Niki Trigoni, Sven Helmer
2007	—	`conf`	An Interval-Based Index Structure for Structure Elucidation in Chemical Databases. IFSA (1) Sven Helmer
2007	C	`conf`	Indexing Set-Valued Attributes with a Multi-level Extendible Hashing Scheme. DEXA Sven Helmer, Robin Aly, Thomas Neumann, Guido Moerkotte
2007	A*	`conf`	Measuring the Structural Similarity of Semistructured Documents Using Entropy. VLDB Sven Helmer
2006	A*	`conf`	Algebraic Optimization of Nested XPath Expressions. ICDE Matthias Brantner, Carl-Christian Kanne, Guido Moerkotte, Sven Helmer
2006	—	`conf`	Kappa-Join: Efficient Execution of Existential Quantification in XML Query Languages. XSym Matthias Brantner, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
2006	—	`conf`	On the Optimal Ordering of Maps, Selections, and Joins Under Factorization. BNCOD Thomas Neumann, Sven Helmer, Guido Moerkotte
2006	J	`jnl`	Strategies for query unnesting in XML databases. ACM Trans. Database Syst. Norman May, Sven Helmer, Guido Moerkotte
2005	C	`conf`	A Model-Based Monitoring and Diagnosis System for a Space-Based Astrometry Mission. DEXA Aleksei Pavlov, Sven Helmer, Guido Moerkotte
2005	B	`conf`	Formally Specifying the Syntax and Semantics of a Visual Query Language for the Domain of High Energy Physics Data Analysis. VL/HCC Vasco Amaral, Sven Helmer, Guido Moerkotte
2005	A*	`conf`	Full-fledged Algebraic XPath Processing in Natix. ICDE Matthias Brantner, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
2005	A*	`conf`	On the Optimal Ordering of Maps and Selections under Factorization. ICDE Thomas Neumann, Sven Helmer, Guido Moerkotte
2004	J	`jnl`	Evaluating lock-based protocols for cooperation on XML documents. SIGMOD Rec. Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
2004	A*	`conf`	Nested Queries and Quantifiers in an Ordered Context. ICDE Norman May, Sven Helmer, Guido Moerkotte
2004	C	`conf`	PHEASANT: A PHysicist's EAsy ANalysis Tool. FQAS Vasco Amaral, Sven Helmer, Guido Moerkotte
2004	C	`conf`	Timestamp-Based Protocols for Synchronizing Access on XML Documents. DEXA Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
2004	—	`conf`	XQuery Processing in Natix with an Emphasis on Join Ordering. XIME-P Norman May, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
2003	—	`conf`	A Robust Scheme for Multilevel Extendible Hashing. ISCIS Sven Helmer, Thomas Neumann, Guido Moerkotte
2003	J	`jnl`	A performance study of four index structures for set-valued attributes of low cardinality. VLDB J. Sven Helmer, Guido Moerkotte
2003	J	`jnl`	Book Review: "Recent issues on fuzzy databases" by G. Bordogna and G. Pasi (Eds.); Physica Verlag, Wurzburg, 2000, 236pp., ISBN: 3-7908-1319-2. Fuzzy Sets Syst. Sven Helmer
2003	A*	`conf`	Estimating the Output Cardinality of Partial Preaggregation with a Measure of Clusteredness. VLDB Sven Helmer, Thomas Neumann, Guido Moerkotte
2003	J	`jnl`	Evaluating different approaches for indexing fuzzy sets. Fuzzy Sets Syst. Sven Helmer
2003	—	`ch.`	Indexstrukturen für XML. Web & Datenbanken Sven Helmer, Guido Moerkotte
2003	—	`conf`	Lock-based Protocols for Cooperation on XML Documents. DEXA Workshops Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
2003	B	`conf`	Quantifiers in XQuery. WISE Norman May, Sven Helmer, Guido Moerkotte
2003	—	`conf`	Three Cases for Query Decorrelation in XQuery. Xsym Norman May, Sven Helmer, Guido Moerkotte
2003	J	`jnl`	XML-Datenbanksysteme und ihre Anwendung. it Inf. Technol. Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
2002	J	`jnl`	Anatomy of a native XML base management system. VLDB J. Thorsten Fiebig, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte, Julia Neumann, Robert Schiele, Till Westmann
2002	—	`conf`	Natix: A Technology Overview. Web, Web-Services, and Database Systems Thorsten Fiebig, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte, Julia Neumann, Robert Schiele, Till Westmann
2002	B	`conf`	Optimized Translation of XPath into Algebraic Expressions Parameterized by Programs Containing Navigational Primitives. WISE Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
2000	—	`—`	Performance enhancements for advanced database management systems. Sven Helmer
2000	J	`jnl`	The Implementation and Performance of Compressed Databases. SIGMOD Rec. Till Westmann, Donald Kossmann, Sven Helmer, Guido Moerkotte
1999	J	`jnl`	Index structures for efficiently accessing fuzzy data including cost models and measurements. Fuzzy Sets Syst. Birgit Boss, Sven Helmer
1998	A*	`conf`	Diag-Join: An Opportunistic Join Algorithm for 1:N Relationships. VLDB Sven Helmer, Till Westmann, Guido Moerkotte
1997	A*	`conf`	Evaluation of Main Memory Join Algorithms for Joins with Set Comparison Join Predicates. VLDB Sven Helmer, Guido Moerkotte