Johannes Langguth
Senior Research Scientist
- Department
- High Performance Computing
- Organisation
- Simula Research Laboratory
- langguth@simula.no
Publications
2024
Proceedings, refereed
K. Pogorelov, J. D. Trotter and J. Langguth
Performance Prediction for Sparse Matrix Vector Multiplication using Structure-dependent Features
First Workshop on Tools for Data Locality, Power and Performance (TDLPP 2023)
2023
Journal Articles
J. Langguth, D. T. Schroeder, P. Filkukova, S. Brenner, J. Phillips and K. Pogorelov
COCO: an annotated Twitter dataset of COVID-19 conspiracy theories
Journal of Computational Social Science
L. Burchard, K. G. Hustad, J. Langguth and X. Cai
Enabling unstructured-mesh computation on massively tiled AI processors: An example of accelerating in silico cardiac simulation
Frontiers in Physics
J. D. Trotter, J. Langguth and X. Cai
Targeting performance and user-friendliness: GPU-accelerated finite element computation with automated code generation in FEniCS
Parallel Computing
Proceedings, refereed
A. Maulana and J. Langguth
Using GNNs for Misinformation Spreader Detection via Assortativity-Aware Node Label Classification in Twitter Networks
2023 Tenth International Conference on Social Networks Analysis, Management and Security (SNAMS)
L. Burchard, M. X. Zhao, J. Langguth, A. Buluc and G. Guidi
Space Efficient Sequence Alignment for SRAM-Based Computing: X-Drop on the Graphcore IPU
SC'23 - Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis
K. S. Gåsvær, P. Lind, J. Langguth, M. Hjorth-Jensen, M. Kreil and D. T. Schroeder
Harmful Conspiracies in Temporal Interaction Networks: Understanding the Dynamics of Digital Wildfires through Phase Transitions
Complex Networks
S. Brenner, D. T. Schroeder and J. Langguth
GECO: A Twitter Dataset of COVID-19 Misinformation and Conspiracy Theories Related to the Berlin Parliament and Washington Capitol Riots
Norsk IKT-konferanse for forskning og utdanning
J. D. Trotter, S. Ekmekçibaşı, J. Langguth, T. Torun, E. Düzakın, A. Ilic and D. Unat
Bringing Order to Sparsity: A Sparse Matrix Reordering Study on Multicore CPUs
SC '23: International Conference for High Performance Computing, Networking, Storage and Analysis
Talks, invited
J. Langguth
Accelerating Cardiac Electrophysiology Simulations using novel AI Hardware
Waseda University, Tokyo, Japan
J. Langguth
Transitioning Scientific Computations to Novel AI Hardware: the Example of Cardiac Electrophysiology Simulations
University of Tokyo, Japan
J. Langguth
Architectures, Algorithms, and Applications for Graph Mining and Learning
Schloss Dagstuhl, Leibniz-Zentrum für Informatik, Germany
J. Langguth
Parallel Incremental Clustering Algorithms for Massive Dynamic Graphs
Bologna, Italy
2022
Journal Articles
H. Straume, F. Asche, A. Oglend, E. B. Abrahamsen, A. M. Birkenbach, J. Langguth, G. Lanquepin and K. H. Roll
Impacts of Covid-19 on Norwegian salmon exports: A firm-level analysis
Aquaculture
J. Langguth, P. Filkukova, S. Brenner, D. T. Schroeder and K. Pogorelov
COVID-19 and 5G conspiracy theories: Long term observation of a digital wildfire
International Journal of Data Science and Analytics
D. T. Schroeder, J. Langguth, L. Burchard, K. Pogorelov and P. G. Lind
The connectivity network underlying the German’s Twittersphere: a testbed for investigating information spreading phenomena
Scientific Reports
Proceedings, refereed
J. Moe, K. Pogorelov, D. T. Schroeder and J. Langguth
Implementing Spatio-Temporal Graph Convolutional Networks on Graphcore IPUs
2022 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)
K. Langedal, J. Langguth, F. Manne and D. T. Schroeder
Efficient Minimum Weight Vertex Cover Heuristics Using Graph Neural Networks
20th International Symposium on Experimental Algorithms (SEA 2022)
A. Huber, D. T. Schroeder, K. Pogorelov, C. Griwodz and J. Langguth
A Streaming System for Large-scale Temporal Graph Mining of Reddit Data
2022 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)
Talks, invited
J. Langguth and L. Burchard
ML Accelerator Hardware: A Model for Parallel Sparse Computations?
University of Vienna, Austria
J. Langguth and K. Langedal
Efficient Minimum Weight Vertex Cover Heuristics using Graph Neural Networks
University of Vienna, Austria
J. Langguth and L. Burchard
ML Accelerator Hardware: A Model for Parallel Sparse Computations?
Siam ACDA, Aussois, France
2021
Journal Articles
J. Langguth, K. Pogorelov, S. Brenner, P. Filkukova and D. T. Schroeder
Don't Trust Your Eyes: Image Manipulation in the Age of DeepFakes
Frontiers in Communication
P. Filkukova and J. Langguth
An alternative correct answer to the Cognitive Reflection Test
Frontiers in Psychology
P. Filkukova, P. Ayton, K. Rand and J. Langguth
What should I trust? Individual differences in attitudes to conflicting information and misinformation on COVID-19
Frontiers in Psychology
P. Filkukova and J. Langguth
Blinded by emotions: The association between emotional reactivity and trust in fictitious news stories on crime
Studia Psychologica: International Journal for Research and Theory in Psychological Sciences
Proceedings, refereed
J. Langguth, I. Panagiotas and B. Uçar
Shared-memory Implementation of the Karp-Sipser Kernelization Process
28th edition of the IEEE International Conference on High Performance Computing, Data, and Analytics (HiPC 2021)
S. Dhandhania, A. Deodhar, K. Pogorelov, S. Biswas and J. Langguth
Explaining the Performance of Supervised and Semi-Supervised Methods for Automated Sparse Matrix Format Selection
50th International Conference on Parallel Processing Workshop
L. Burchard, X. Cai and J. Langguth
iPUG for multiple Graphcore IPUs: Optimizing performance and scalability of parallel breadth-first search
28th IEEE International Conference on High Performance Computing, Data, & Analytics (HiPC)
J. Langguth, A. Tumanis and A. Azad
Incremental Clustering Algorithms for Massive Dynamic Graphs
International Conference on Data Mining Workshops (ICDMW)
K. Pogorelov, D. T. Schroeder, P. Filkukova, S. Brenner and J. Langguth
WICO Text: A Labeled Dataset of Conspiracy Theory and 5G-Corona Misinformation Tweets
Proceedings of the 2021 Workshop on Open Challenges in Online Social Networks (OASIS '21)
L. Burchard, J. Moe, D. T. Schroeder, K. Pogorelov and J. Langguth
iPUG: Accelerating Breadth-First Graph Traversals Using Manycore Graphcore IPUs
High Performance Computing. ISC High Performance 2021
D. T. Schroeder, F. Schaal, P. Filkukova, K. Pogorelov and J. Langguth
WICO Graph: a Labeled Dataset of Twitter Subgraphs based on Conspiracy Theory and 5G-Corona Misinformation Tweets
Proceedings of the 13th International Conference on Agents and Artificial Intelligence (ICAART 2021)
Posters
J. D. Trotter, J. Langguth and X. Cai
Automated Code Generation for GPU-Based Finite Element Computations in FEniCS
Talks, keynote
D. T. Schroeder
Explaining News Spreading Phenomena in Social Networks
Händlerlogo BI Norwegian Business School
Talks, invited
D. T. Schroeder and J. Langguth
Spreading Online Misinformation
Data-SKUP 2021
Talks, contributed
J. Langguth, I. Panagiotas and B. Uçar
Shared-Memory Implementation of the Karp- Sipser Kernelization Process
SIAM ACDA, Richland (virtual)
J. Langguth, P. Filkukova, D. T. Schroeder and K. Pogorelov
Will technical means help in preventing digital wildfires?
6th World Conference on Media and Mass Communication, Cagliari, Italy
2020
Journal Articles
P. Filkukova, P. Ayton, K. Rand-Hendriksen, A. Halberg, J. Lagravière and J. Langguth
Truth is in the eye of the beholder: Individual differences in the evaluation of fake and real news
Applied Cognitive Psychology
Proceedings, refereed
D. T. Schroeder, K. Pogorelov and J. Langguth
Evaluating Standard Classifiers for Detecting COVID-19 related Misinformation
MediaEval 2020
K. Pogorelov, D. T. Schroeder, L. Burchard, J. Moe, S. Brenner, P. Filkukova and J. Langguth
FakeNews: Corona Virus and 5G Conspiracy Task at MediaEval 2020
Media Eval Challange 2020
L. Burchard, D. T. Schroeder, S. Becker and J. Langguth
Resource Efficient Algorithms for Message Sampling in Online Social Networks
The Seventh International Conference on Social Networks Analysis, Management and Security (SNAMS-2020)
L. Burchard, D. T. Schroeder, K. Pogorelov, S. Becker, E. Dietrich, P. Filkukova and J. Langguth
A Scalable System for Bundling Online Social Network Mining Research
2020 Seventh International Conference on Social Networks Analysis, Management and Security (SNAMS)
D. T. Schroeder, P. Lind, K. Pogorelov and J. Langguth
A Framework for Interaction-based Propagation Analysis in Online Social Networks
Complex Networks
K. Pogorelov, D. T. Schroeder, P. Filkukova and J. Langguth
A System for High Performance Mining on GDELT Data
2020 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)
Posters
D. T. Schroeder, P. Lind, K. Pogorelov and J. Langguth
A Framework for Interaction-based Propagation Analysis in Online Social Networks
J. Langguth, N. Gaur, H. Arevalo, C. Jarvis, N. Altanaite, Q. Lan and X. Cai
Towards detailed Organ-Scale Simulations in Cardiac Electrophysiology
J. Langguth, D. T. Schroeder, K. Pogorelov and P. Filkukova
Graph Structure Based Monitoring of Digital Wildfires
Talks, invited
J. Langguth
Fake News, Networks, and Natural Language Processing Tools
Oslo (virtual)
2019
Proceedings, refereed
J. Langguth, H. Arevalo and X. Cai
Towards Detailed Real-Time Simulations of Cardiac Arrhythmia
Computing in Cardiology