Johannes Langguth

81 papers A 5B 4C 4Misc 3Journal 28Unranked 36

Year	Rank	Type	Title / Venue / Authors
2025	A	`conf`	CPU- and GPU-initiated Communication Strategies for Conjugate Gradient Methods on Large GPU Clusters. SC James D. Trotter, Sinan Ekmekçibasi, Dogan Sagbili, Johannes Langguth, Xing Cai, Didem Unat
2025	—	`conf`	Modelling Load Imbalance In Shared Memory Multicore Systems. SC Workshops Johannes Langguth, James D. Trotter, Xing Cai
2025	—	`conf`	Monitoring Digital Wildfires: a Large-Scale Dataset of COVID-19 Conspiracy Tweets Created via Fast NLP Inference using the Graphcore IPU. IPDPS (Workshops) Rohullah Akbari, Daniel Thilo Schroeder, Petra Filkuková, Johannes Langguth
2025	J	`jnl`	SSpMM: Efficiently Scalable SpMM Kernels Across Multiple Generations of Tensor Cores. IEEE Trans. Parallel Distributed Syst. Zeyu Xue, Mei Wen, Jianchao Yang, Minjin Tang, Zhongdi Luo, Jing Feng, Yang Shi, Zhaoyun Chen, Junzhong Shen, Johannes Langguth
2025	—	`conf`	Solution of Backtracking Problems on Tile-Centric AI Accelerators. CF Jakob Gerhardt, Johannes Langguth
2024	—	`conf`	Mapping Twitter Activity in the 2019 Ukrainian Political Landscape. SNAMS Alfred Arouna, Ioana Livadariu, Johannes Langguth
2024	—	`conf`	On the Two Sides of Redundancy in Graph Neural Networks. ECML/PKDD (6) Franka Bause, Samir Moustafa, Johannes Langguth, Wilfried N. Gansterer, Nils M. Kriege
2024	C	`conf`	iPuma: High-Performance Sequence Alignment on the Graphcore IPU. ISC Max Xiaohang Zhao, Luk Burchard, Daniel Thilo Schroeder, Johannes Langguth, Xing Cai
2023	A	`conf`	Bringing Order to Sparsity: A Sparse Matrix Reordering Study on Multicore CPUs. SC James D. Trotter, Sinan Ekmekçibasi, Johannes Langguth, Tugba Torun, Emre Düzakin, Aleksandar Ilic, Didem Unat
2023	J	`jnl`	COCO: an annotated Twitter dataset of COVID-19 conspiracy theories. J. Comput. Soc. Sci. Johannes Langguth, Daniel Thilo Schroeder, Petra Filkuková, Stefan Brenner, Jesper Phillips, Konstantin Pogorelov
2023	J	`jnl`	COVID-19 and 5G conspiracy theories: long term observation of a digital wildfire. Int. J. Data Sci. Anal. Johannes Langguth, Petra Filkuková, Stefan Brenner, Daniel Thilo Schroeder, Konstantin Pogorelov
2023	J	`jnl`	Harmful Conspiracies in Temporal Interaction Networks: Understanding the Dynamics of Digital Wildfires through Phase Transitions. CoRR Kaspara Skovli Gåsvær, Pedro G. Lind, Johannes Langguth, Morten Hjorth-Jensen, Michael Kreil, Daniel Thilo Schroeder
2023	—	`conf`	Leveraging GNNs and Node Entropy for Anomaly Detection: Revealing Misinformation Spreader on Twitter Network. CSoNet Asep Maulana, Johannes Langguth
2023	J	`jnl`	Non-Redundant Graph Neural Networks with Improved Expressiveness. CoRR Franka Bause, Samir Moustafa, Johannes Langguth, Wilfried N. Gansterer, Nils M. Kriege
2023	J	`jnl`	Open Problems in (Hyper)Graph Decomposition. CoRR Deepak Ajwani, Rob H. Bisseling, Katrin Casel, Ümit V. Çatalyürek, Cédric Chevalier, Florian Chudigiewitsch, Marcelo Fonseca Faraj, Michael R. Fellows, Lars Gottesbüren, Tobias Heuer, George Karypis, Kamer Kaya, Jakub Lacki, Johannes Langguth, Xiaoye Sherry Li, Ruben Mayer, Johannes Meintrup, Yosuke Mizutani, François Pellegrini, Fabrizio Petrini, Frances A. Rosamond, Ilya Safro, Sebastian Schlag, Christian Schulz, Roohani Sharma, Darren Strash, Blair D. Sullivan, Bora Uçar, Albert-Jan Yzelman
2023	—	`conf`	Parallel Incremental Clustering Algorithms for Massive Dynamic Graphs. CF Johannes Langguth
2023	—	`conf`	Performance Prediction for Sparse Matrix Vector Multiplication Using Structure-Dependent Features. Euro-Par Workshops (1) Konstantin Pogorelov, James D. Trotter, Johannes Langguth
2023	J	`jnl`	Recent Trends in Graph Decomposition (Dagstuhl Seminar 23331). Dagstuhl Reports George Karypis, Christian Schulz, Darren Strash, Deepak Ajwani, Rob H. Bisseling, Katrin Casel, Ümit V. Çatalyürek, Cédric Chevalier, Florian Chudigiewitsch, Marcelo Fonseca Faraj, Michael R. Fellows, Lars Gottesbüren, Tobias Heuer, Kamer Kaya, Jakub Lacki, Johannes Langguth, Xiaoye Sherry Li, Ruben Mayer, Johannes Meintrup, Yosuke Mizutani, François Pellegrini, Fabrizio Petrini, Frances A. Rosamond, Ilya Safro, Sebastian Schlag, Roohani Sharma, Blair D. Sullivan, Bora Uçar, Albert-Jan Yzelman
2023	J	`jnl`	Social media in the Global South: A Network Dataset of the Malian Twittersphere. CoRR Daniel Thilo Schroeder, Mirjam de Bruijn, Luca Bruls, Mulatu Alemayehu Moges, Samba Dialimpa Badji, Noémie Fritz, Modibo Galy Cisse, Johannes Langguth, Bruce Mutsvairo, Kristin Skare Orgeret
2023	J	`jnl`	Social media in the Global South: A Network Dataset of the Malian Twittersphere. J. Data Min. Digit. Humanit. Daniel Thilo Schroeder, Mirjam de Bruijn, Luca Bruls, Mulatu Alemayehu Moges, Samba Dialimpa Badji, Noémie Fritz, Modibo Galy Cisse, Johannes Langguth, Bruce Mutsvairo, Kristin Skare Orgeret
2023	A	`conf`	Space Efficient Sequence Alignment for SRAM-Based Computing: X-Drop on the Graphcore IPU. SC Luk Burchard, Max Xiaohang Zhao, Johannes Langguth, Aydin Buluç, Giulia Guidi
2023	J	`jnl`	Space Efficient Sequence Alignment for SRAM-Based Computing: X-Drop on the Graphcore IPU. CoRR Luk Burchard, Max Xiaohang Zhao, Johannes Langguth, Aydin Buluç, Giulia Guidi
2023	J	`jnl`	Targeting performance and user-friendliness: GPU-accelerated finite element computation with automated code generation in FEniCS. Parallel Comput. James D. Trotter, Johannes Langguth, Xing Cai
2023	—	`conf`	Using GNNs for Misinformation Spreader Detection via Assortativity-Aware Node Label Classification in Twitter Networks. SNAMS Asep Maulana, Johannes Langguth
2023	—	`ed.`	Working Notes Proceedings of the MediaEval 2022 Workshop, Bergen, Norway and Online, 12-13 January 2023. MediaEval Steven Hicks, Alba García Seco de Herrera, Johannes Langguth, Andreas Lommatzsch, Stelios Andreadis, Minh-Son Dao, Pierre-Etienne Martin, Ali Hürriyetoglu, Vajira Thambawita, Tor-Arne S. Nordmo, Romain Vuillemot, Martha A. Larson
2022	—	`conf`	A Streaming System for Large-scale Temporal Graph Mining of Reddit Data. IPDPS Workshops Andreas Huber, Daniel Thilo Schroeder, Konstantin Pogorelov, Carsten Griwodz, Johannes Langguth
2022	—	`conf`	Combining Tweets and Connections Graph for FakeNews Detection at MediaEval 2022. MediaEval Konstantin Pogorelov, Daniel Thilo Schroeder, Stefan Brenner, Asep Maulana, Johannes Langguth
2022	B	`conf`	Efficient Minimum Weight Vertex Cover Heuristics Using Graph Neural Networks. SEA Kenneth Langedal, Johannes Langguth, Fredrik Manne, Daniel Thilo Schroeder
2022	—	`conf`	Graph Neural Network for Fake News Detection and Classification of Unlabelled Nodes at MediaEval 2022. MediaEval Asep Maulana, Konstantin Pogorelov, Daniel Thilo Schroeder, Johannes Langguth
2022	—	`conf`	Implementating Spatio-Temporal Graph Convolutional Networks on Graphcore IPUs. IPDPS Workshops Johannes Moe, Konstantin Pogorelov, Daniel Thilo Schroeder, Johannes Langguth
2021	J	`jnl`	A Newcomer In The PGAS World - UPC++ vs UPC: A Comparative Study. CoRR Jérémie Lagravière, Johannes Langguth, Martina Prugger, Phuong Hoai Ha, Xing Cai
2021	—	`conf`	Explaining the Performance of Supervised and Semi-Supervised Methods for Automated Sparse Matrix Format Selection. ICPP Workshops Sunidhi Dhandhania, Akshay Deodhar, Konstantin Pogorelov, Swarnendu Biswas, Johannes Langguth
2021	—	`conf`	FakeNews: Corona Virus and Conspiracies Multimedia Analysis Task at MediaEval 2021. MediaEval Konstantin Pogorelov, Daniel Thilo Schroeder, Stefan Brenner, Johannes Langguth
2021	—	`conf`	Incremental Clustering Algorithms for Massive Dynamic Graphs. ICDM (Workshops) Johannes Langguth, Aigars Tumanis, Ariful Azad
2021	Misc	`conf`	Shared-memory implementation of the Karp-Sipser kernelization process. HiPC Johannes Langguth, Ioannis Panagiotas, Bora Uçar
2021	—	`conf`	WICO Graph: A Labeled Dataset of Twitter Subgraphs based on Conspiracy Theory and 5G-Corona Misinformation Tweets. ICAART (2) Daniel Thilo Schroeder, Ferdinand Schaal, Petra Filkuková, Konstantin Pogorelov, Johannes Langguth
2021	—	`conf`	WICO Text: A Labeled Dataset of Conspiracy Theory and 5G-Corona Misinformation Tweets. OASIS@HT Konstantin Pogorelov, Daniel Thilo Schroeder, Petra Filkuková, Stefan Brenner, Johannes Langguth
2021	Misc	`conf`	iPUG for Multiple Graphcore IPUs: Optimizing Performance and Scalability of Parallel Breadth-First Search. HiPC Luk Burchard, Xing Cai, Johannes Langguth
2021	C	`conf`	iPUG: Accelerating Breadth-First Graph Traversals Using Manycore Graphcore IPUs. ISC Luk Burchard, Johannes Moe, Daniel Thilo Schroeder, Konstantin Pogorelov, Johannes Langguth
2020	J	`jnl`	A Distributed-Memory Algorithm for Computing a Heavy-Weight Perfect Matching on Bipartite Graphs. SIAM J. Sci. Comput. Ariful Azad, Aydin Buluç, Xiaoye S. Li, Xinliang Wang, Johannes Langguth
2020	—	`conf`	A Scalable System for Bundling Online Social Network Mining Research. SNAMS Luk Burchard, Daniel Thilo Schroeder, Konstantin Pogorelov, Sören Becker, Emily Dietrich, Petra Filkuková, Johannes Langguth
2020	—	`conf`	A System for High Performance Mining on GDELT Data. IPDPS Workshops Konstantin Pogorelov, Daniel Thilo Schroeder, Petra Filkuková, Johannes Langguth
2020	J	`jnl`	Cache simulation for irregular memory traffic on multi-core CPUs: Case study on performance models for sparse matrix-vector multiplication. J. Parallel Distributed Comput. James D. Trotter, Johannes Langguth, Xing Cai
2020	—	`conf`	Evaluating Standard Classifiers for Detecting COVID-19 Related Misinformation. MediaEval Daniel Thilo Schroeder, Konstantin Pogorelov, Johannes Langguth
2020	—	`conf`	FakeNews: Corona Virus and 5G Conspiracy Task at MediaEval 2020. MediaEval Konstantin Pogorelov, Daniel Thilo Schroeder, Luk Burchard, Johannes Moe, Stefan Brenner, Petra Filkuková, Johannes Langguth
2020	A	`conf`	Karp-Sipser based kernels for bipartite graph matching. ALENEX Kamer Kaya, Johannes Langguth, Ioannis Panagiotas, Bora Uçar
2020	J	`jnl`	Load-Balanced Bottleneck Objectives in Process Mapping. CoRR Johannes Langguth, Sebastian Schlag, Christian Schulz
2020	—	`conf`	Resource Efficient Algorithms for Message Sampling in Online Social Networks. SNAMS Luk Burchard, Daniel Thilo Schroeder, Sören Becker, Johannes Langguth
2019	—	`conf`	Combining Algorithmic Rethinking and AVX-512 Intrinsics for Efficient Simulation of Subcellular Calcium Signaling. ICCS (5) Chad Jarvis, Glenn Terje Lines, Johannes Langguth, Kengo Nakajima, Xing Cai
2019	—	`conf`	FACT: a Framework for Analysis and Capture of Twitter Graphs. SNAMS Daniel Thilo Schroeder, Konstantin Pogorelov, Johannes Langguth
2019	J	`jnl`	Multi-Modal Machine Learning for Flood Detection in News, Social Media and Satellite Sequences. CoRR Kashif Ahmad, Konstantin Pogorelov, Mohib Ullah, Michael Riegler, Nicola Conci, Johannes Langguth, Ala I. Al-Fuqaha
2019	—	`conf`	Multi-Modal Machine Learning for Floods Detection in News, Social Media and Satellite Sequences. MediaEval Kashif Ahmad, Konstantin Pogorelov, Mohib Ullah, Michael Riegler, Nicola Conci, Johannes Langguth, Ala I. Al-Fuqaha
2019	J	`jnl`	On the Performance and Energy Efficiency of the PGAS Programming Model on Multicore Architectures. CoRR Jérémie Lagravière, Johannes Langguth, Mohammed Sourouri, Phuong Hoai Ha, Xing Cai
2019	—	`conf`	PGAS for graph analytics: can one sided communications break the scalability barrier? CF Johannes Langguth
2019	J	`jnl`	Performance Optimization and Modeling of Fine-Grained Irregular Communication in UPC. Sci. Program. Jérémie Lagravière, Johannes Langguth, Martina Prugger, Lukas Einkemmer, Phuong Hoai Ha, Xing Cai
2019	J	`jnl`	Performance optimization and modeling of fine-grained irregular communication in UPC. CoRR Jérémie Lagravière, Johannes Langguth, Martina Prugger, Lukas Einkemmer, Phuong Hoai Ha, Xing Cai
2019	—	`conf`	Towards Detailed Real-Time Simulations of Cardiac Arrhythmia. CinC Johannes Langguth, Hermenegild Arevalo, Kristian Gregorius Hustad, Xing Cai
2018	J	`jnl`	A distributed-memory approximation algorithm for maximum weight perfect bipartite matching. CoRR Ariful Azad, Aydin Buluç, Xiaoye S. Li, Xinliang Wang, Johannes Langguth
2018	—	`conf`	GPU-based Acceleration of Detailed Tissue-Scale Cardiac Simulations. GPGPU@PPoPP Neringa Altanaite, Johannes Langguth
2018	B	`conf`	Memory Bandwidth Contention: Communication vs Computation Tradeoffs in Supercomputers with Multicore Architectures. ICPADS Johannes Langguth, Xing Cai, Mohammed Sourouri
2017	J	`jnl`	Accelerating Detailed Tissue-Scale 3D Cardiac Simulations Using Heterogeneous CPU-Xeon Phi Computing. Int. J. Parallel Program. Johannes Langguth, Qiang Lan, Namit Gaur, Xing Cai
2017	—	`conf`	Porting Tissue-Scale Cardiac Simulations to the Knights Landing Platform. ISC Workshops Johannes Langguth, Chad Jarvis, Xing Cai
2017	A	`conf`	Towards fine-grained dynamic tuning of HPC applications on modern multi-core architectures. SC Mohammed Sourouri, Espen Birger Raknes, Nico Reissmann, Johannes Langguth, Daniel Hackenberg, Robert Schöne, Per Gunnar Kjeldsberg
2016	B	`conf`	Enabling Tissue-Scale Cardiac Simulations Using Heterogeneous Computing on Tianhe-2. ICPADS Johannes Langguth, Qiang Lan, Namit Gaur, Xing Cai, Mei Wen, Chunyuan Zhang
2016	—	`conf`	On the performance and energy efficiency of the PGAS programming model on multicore architectures. HPCS Jérémie Lagravière, Johannes Langguth, Mohammed Sourouri, Phuong Hoai Ha, Xing Cai
2015	—	`conf`	CPU+GPU Programming of Stencil Computations for Resource-Efficient Use of GPU Clusters. CSE Mohammed Sourouri, Johannes Langguth, Filippo Spiga, Scott B. Baden, Xing Cai
2015	J	`jnl`	Codesign Lessons Learned from Implementing Graph Matching on Multithreaded Architectures. Computer Mahantesh Halappanavar, Alex Pothen, Ariful Azad, Fredrik Manne, Johannes Langguth, Arif M. Khan
2015	Misc	`conf`	Optimizing Approximate Weighted Matching on Nvidia Kepler K40. HiPC Md. Naim, Fredrik Manne, Mahantesh Halappanavar, Antonino Tumeo, Johannes Langguth
2015	J	`jnl`	Parallel performance modeling of irregular applications in cell-centered finite volume methods over unstructured tetrahedral meshes. J. Parallel Distributed Comput. Johannes Langguth, Nan Wu, Jun Chai, Xing Cai
2015	J	`jnl`	Scalable Heterogeneous CPU-GPU Computations for Unstructured Tetrahedral Meshes. IEEE Micro Johannes Langguth, Mohammed Sourouri, Glenn Terje Lines, Scott B. Baden, Xing Cai
2015	—	`conf`	Towards Detailed Tissue-Scale 3D Simulations of Electrical Activity and Calcium Handling in the Human Cardiac Ventricle. ICA3PP (3) Qiang Lan, Namit Gaur, Johannes Langguth, Xing Cai
2014	B	`conf`	Heterogeneous CPU-GPU computing for the finite volume method on 3D unstructured meshes. ICPADS Johannes Langguth, Xing Cai
2014	J	`jnl`	On parallel push-relabel based algorithms for bipartite maximum matching. Parallel Comput. Johannes Langguth, Ariful Azad, Mahantesh Halappanavar, Fredrik Manne
2013	—	`conf`	On the GPU performance of cell-centered finite volume method over unstructured tetrahedral meshes. IA3@SC Johannes Langguth, Nan Wu, Jun Chai, Xing Cai
2013	J	`jnl`	Push-relabel based algorithms for the maximum transversal problem. Comput. Oper. Res. Kamer Kaya, Johannes Langguth, Fredrik Manne, Bora Uçar
2013	—	`conf`	Semi-Matching Algorithms for Scheduling Parallel Tasks under Resource Constraints. IPDPS Workshops Anne Benoit, Johannes Langguth, Bora Uçar
2012	—	`conf`	A partitioning-based divisive clustering technique for maximizing the modularity. Graph Partitioning and Graph Clustering Ümit V. Çatalyürek, Kamer Kaya, Johannes Langguth, Bora Uçar
2012	C	`conf`	On Optimal and Balanced Sparse Matrix Partitioning Problems. CLUSTER Anaël Grandjean, Johannes Langguth, Bora Uçar
2011	J	`jnl`	Parallel algorithms for bipartite matching problems on distributed memory computers. Parallel Comput. Johannes Langguth, Md. Mostofa Ali Patwary, Fredrik Manne
2010	J	`jnl`	Heuristic initialization for bipartite matching problems. ACM J. Exp. Algorithmics Johannes Langguth, Fredrik Manne, Peter Sanders
2010	C	`conf`	Identifying Rare Cell Populations in Comparative Flow Cytometry. WABI Ariful Azad, Johannes Langguth, Youhan Fang, Yuan (Alan) Qi, Alex Pothen