Search Results for author: Tobias Skovgaard Jepsen

Found 5 papers, 2 papers with code

UniTE -- The Best of Both Worlds: Unifying Function-Fitting and Aggregation-Based Approaches to Travel Time and Travel Speed Estimation

no code implementations27 Apr 2021 Tobias Skovgaard Jepsen, Christian S. Jensen, Thomas Dyhre Nielsen

An empirical study finds that an instance of UniTE can improve the accuracies of travel speed distribution and travel time estimation by $40-64\%$ and $3-23\%$, respectively, compared to using function fitting or aggregation alone

Travel Time Estimation

Scalable Unsupervised Multi-Criteria Trajectory Segmentation and Driving Preference Mining

no code implementations23 Oct 2020 Florian Barth, Stefan Funke, Tobias Skovgaard Jepsen, Claudius Proissl

We present analysis techniques for large trajectory data sets that aim to provide a semantic understanding of trajectories reaching beyond them being point sequences in time and space.

Relational Fusion Networks: Graph Convolutional Networks for Road Networks

1 code implementation16 Jun 2020 Tobias Skovgaard Jepsen, Christian S. Jensen, Thomas Dyhre Nielsen

The application of machine learning techniques in the setting of road networks holds the potential to facilitate many important intelligent transportation applications.

BIG-bench Machine Learning

Graph Convolutional Networks for Road Networks

1 code implementation30 Aug 2019 Tobias Skovgaard Jepsen, Christian S. Jensen, Thomas Dyhre Nielsen

In addition, we provide experimental evidence of the short-comings of state-of-the-art GCNs in the context of road networks: unlike our method, they cannot effectively leverage the road network structure for road segment classification and fail to outperform a regular multi-layer perceptron.

Attribute BIG-bench Machine Learning +3

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