Graph Conditional Variational Models: Too Complex for Multiagent Trajectories?

Research output: Journal contributionsConference article in journalResearchpeer-review

Authors

Recent advances in modeling multiagent trajectories combine graph architectures such as graph neural networks (GNNs) with conditional variational models (CVMs) such as variational RNNs (VRNNs). Originally, CVMs have been proposed to facilitate learning with multi-modal and structured data and thus seem to perfectly match the requirements of multi-modal multiagent trajectories with their structured output spaces. Empirical results of VRNNs on trajectory data support this assumption. In this paper, we revisit experiments and proposed architectures with additional rigour, ablation runs and baselines. In contrast to common belief, we show that prior results with CVMs on trajectory data might be misleading. Given a neural network with a graph architecture and/or structured output function, variational autoencoding does not seem to contribute statistically significantly to empirical performance. Instead, we show that well-known emission functions do contribute, while coming with less complexity, engineering and computation time.
Original languageEnglish
JournalProceedings of Machine Learning Research
Volume137
Pages (from-to)136-147
Number of pages12
ISSN2640-3498
Publication statusPublished - 2020
Event34rd Conference on Neural Information Processing Systems - NeurIPS 2020: Neural Information Processing Systems Online Conference 2020 - digital
Duration: 06.12.202012.12.2020
Conference number: 34
https://neurips.cc/virtual/2020/public/index.html
https://proceedings.mlr.press/v137/

Bibliographical note

Publisher Copyright:
© Proceedings of Machine Learning Research 2020.

Recently viewed

Activities

  1. Computer Simulations in Design. How Social Media meet Computational Methods in Design Processes
  2. Probabilistic and discrete methods for the computational study of coherent behavior in flows
  3. Interpreting Strings, Weaving Threads – Structuring Provenance Data with AI
  4. Small Input Devices Used by the Elderly – How Sensorimotor Transformation and Task Complexity Affect Interaction
  5. Learner Performance of Language Learning Tasks in Web-Based Environments
  6. Probabilistic and discrete methods for the computational study of coherent behavior in flows
  7. Multi-Agent Path Finding with Kinematic Constraints for Robotic Mobile Fulfillment Systems
  8. Graph Conditional Variational Models: Too Complex for Multiagent Trajectories?
  9. Applications of transfer operator methods in fluid dynamics
  10. Exploiting the Frame for Active Learning in Multi-class Classification
  11. Model Predictive Control for Switching Gain Adaptation in a Sliding Mode Controller of a DC Drive with Nonlinear Friction
  12. A New Approach for Optimal Solving of Cyclic and Non-Cyclic Bus Driver Rostering Problems
  13. Keynote speech entitled: "A Stabilizing Control Strategy for a Bank System using State Space and Sliding Mode Control Approach with an Extended Kalman Filter"
  14. Event History Analysis and Applications Using STATA - 2013
  15. Dynamic Resource Development: How Parties Exploit vs. Invest into Common Resources
  16. Domestication and/or Digital Divide – How to Overcome Binary Classifications in Analysing Everyday Internet Use and Diffusion

Publications

  1. Supervised clustering of streaming data for email batch detection
  2. Development of a Didactic Graphical Simulation Interface on MATLAB for Systems Control
  3. A development approach for a standardized quality data model using asset administration shell technology in the context of autonomous quality control loops for manufacturing processes
  4. Evolutionary generation of dispatching rule sets for complex dynamic scheduling problems
  5. Set-oriented numerical computation of rotation sets
  6. Linear Generalised Model Predictive Control to Avoid Input Saturation through Matrix Conditions
  7. Using Natural Language Processing Techniques to Tackle the Construct Identity Problem in Information Systems Research
  8. A genetic algorithm for a self-learning parameterization of an aerodynamic part feeding system for high-speed assembly
  9. Using Euler Discrete Approximation to Control an Aggregate Actuator in Camless Engines
  10. Database Publishing Without Databases
  11. Insights from classifying visual concepts with multiple kernel learning
  12. Semi-supervised learning for structured output variables
  13. Global text processing in CSCL with learning protocols
  14. Detection and mapping of water pollution variation in the Nile Delta using multivariate clustering and GIS techniques
  15. Modeling precipitation kinetics for multi-phase and multi-component systems using particle size distributions via a moving grid technique
  16. Ambient Intelligence and Knowledge Processing in Distributed Autonomous AAL-Components
  17. Modelling and implementing business processes in distributed systems
  18. What is learned in approach-avoidance tasks? On the scope and generalizability of approach-avoidance effects
  19. How to get really smart: Modeling retest and training effects in ability testing using computer-generated figural matrix items
  20. A Lightweight Simulation Model for Soft Robot's Locomotion and its Application to Trajectory Optimization
  21. Inversion of Fuzzy Neural Networks for the Reduction of Noise in the Control Loop for Automotive Applications
  22. Different complex word problems require different combinations of cognitive skills
  23. Optimal trajectory generation using MPC in robotino and its implementation with ROS system
  24. Transformer with Tree-order Encoding for Neural Program Generation
  25. A Multilevel CFA-MTMM Model for Nested Structurally Different Methods
  26. Closed-loop control of product geometry by using an artificial neural network in incremental sheet forming with active medium
  27. A Framework for Anomaly Classification and Segmentation in Remanufacturing using Autoencoders and Simulated Data
  28. Inverting the Large Lecture Class: Active Learning in an Introductory International Relations Course
  29. Application of non-convex rate dependent gradient plasticity to the modeling and simulation of inelastic microstructure development and inhomogeneous material behavior
  30. Neural network-based adaptive fault-tolerant control for strict-feedback nonlinear systems with input dead zone and saturation
  31. N3 - A collection of datasets for named entity recognition and disambiguation in the NLP interchange format