Learning latent factor models of travel data for travel prediction and analysis

Michael Guerzhoy, Aaron Hertzmann

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

We describe latent factor probability models of human travel, which we learn from data. The latent factors represent interpretable properties: travel distance cost, desirability of destinations, and affinity between locations. Individuals are clustered into distinct styles of travel. The latent factors combine in a multiplicative manner, and are learned using Maximum Likelihood. We show that our models explain the data significantly better than histogram-based methods. We also visualize the model parameters to show information about travelers and travel patterns. We show that different individuals exhibit different propensity to travel large distances. We extract the desirability of destinations on the map, which is distinct from their popularity. We show that pairs of locations have different affinities with each other, and that these affinities are partly explained by travelers' preference for staying within national borders and within the borders of linguistic areas. The method is demonstrated on two sources of travel data: geotags from Flickr images, and GPS tracks from Shanghai taxis.

Original languageEnglish (US)
Title of host publicationAdvances in Artificial Intelligence - 27th Canadian Conference on Artificial Intelligence, Canadian AI 2014, Proceedings
PublisherSpringer Verlag
Pages131-142
Number of pages12
ISBN (Print)9783319064826
DOIs
StatePublished - Jan 1 2014
Externally publishedYes
Event27th Canadian Conference on Artificial Intelligence, AI 2014 - Montreal, QC, Canada
Duration: May 6 2014May 9 2014

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume8436 LNAI
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference27th Canadian Conference on Artificial Intelligence, AI 2014
CountryCanada
CityMontreal, QC
Period5/6/145/9/14

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Computer Science(all)

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  • Cite this

    Guerzhoy, M., & Hertzmann, A. (2014). Learning latent factor models of travel data for travel prediction and analysis. In Advances in Artificial Intelligence - 27th Canadian Conference on Artificial Intelligence, Canadian AI 2014, Proceedings (pp. 131-142). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 8436 LNAI). Springer Verlag. https://doi.org/10.1007/978-3-319-06483-3_12