A time-aware trajectory embedding model for next-location recommendation

Next-location recommendation is an emerging task with the proliferation of location-based services. It is the task of recommending the next location to visit for a user, given her past check-in records. Although several principled solutions have been proposed for this task, existing studies have not...

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Main Authors: Zhao, Wayne Xin, Zhou, Ningnan, Sun, Aixin, Wen, Ji-Rong, Han, Jialong, Chang, Edward Y.
Other Authors: School of Computer Science and Engineering
Format: Journal Article
Language:English
Published: 2020
Subjects:
Online Access:https://hdl.handle.net/10356/139251
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author Zhao, Wayne Xin
Zhou, Ningnan
Sun, Aixin
Wen, Ji-Rong
Han, Jialong
Chang, Edward Y.
author2 School of Computer Science and Engineering
author_facet School of Computer Science and Engineering
Zhao, Wayne Xin
Zhou, Ningnan
Sun, Aixin
Wen, Ji-Rong
Han, Jialong
Chang, Edward Y.
author_sort Zhao, Wayne Xin
collection NTU
description Next-location recommendation is an emerging task with the proliferation of location-based services. It is the task of recommending the next location to visit for a user, given her past check-in records. Although several principled solutions have been proposed for this task, existing studies have not well characterized the temporal factors in the recommendation. From three real-world datasets, our quantitative analysis reveals that temporal factors play an important role in next-location recommendation, including the periodical temporal preference and dynamic personal preference. In this paper, we propose a Time-Aware Trajectory Embedding Model (TA-TEM) to incorporate three kinds of temporal factors in next-location recommendation. Based on distributed representation learning, the proposed TA-TEM jointly models multiple kinds of temporal factors in a unified manner. TA-TEM also enhances the sequential context by using a longer context window. Experiments show that TA-TEM outperforms several competitive baselines.
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spelling ntu-10356/1392512020-05-18T06:52:09Z A time-aware trajectory embedding model for next-location recommendation Zhao, Wayne Xin Zhou, Ningnan Sun, Aixin Wen, Ji-Rong Han, Jialong Chang, Edward Y. School of Computer Science and Engineering Engineering::Computer science and engineering Next-location Recommendation Distributed Representation Learning Next-location recommendation is an emerging task with the proliferation of location-based services. It is the task of recommending the next location to visit for a user, given her past check-in records. Although several principled solutions have been proposed for this task, existing studies have not well characterized the temporal factors in the recommendation. From three real-world datasets, our quantitative analysis reveals that temporal factors play an important role in next-location recommendation, including the periodical temporal preference and dynamic personal preference. In this paper, we propose a Time-Aware Trajectory Embedding Model (TA-TEM) to incorporate three kinds of temporal factors in next-location recommendation. Based on distributed representation learning, the proposed TA-TEM jointly models multiple kinds of temporal factors in a unified manner. TA-TEM also enhances the sequential context by using a longer context window. Experiments show that TA-TEM outperforms several competitive baselines. 2020-05-18T06:52:08Z 2020-05-18T06:52:08Z 2017 Journal Article Zhao, W. X., Zhou, N., Sun, A., Wen, J.-R., Han, J., & Chang, E. Y. (2018). A time-aware trajectory embedding model for next-location recommendation. Knowledge and Information Systems, 56(3), 559-579. doi:10.1007/s10115-017-1107-4 0219-1377 https://hdl.handle.net/10356/139251 10.1007/s10115-017-1107-4 2-s2.0-85030562483 3 56 559 579 en Knowledge and Information Systems © 2017 Springer-Verlag London Ltd. All rights reserved.
spellingShingle Engineering::Computer science and engineering
Next-location Recommendation
Distributed Representation Learning
Zhao, Wayne Xin
Zhou, Ningnan
Sun, Aixin
Wen, Ji-Rong
Han, Jialong
Chang, Edward Y.
A time-aware trajectory embedding model for next-location recommendation
title A time-aware trajectory embedding model for next-location recommendation
title_full A time-aware trajectory embedding model for next-location recommendation
title_fullStr A time-aware trajectory embedding model for next-location recommendation
title_full_unstemmed A time-aware trajectory embedding model for next-location recommendation
title_short A time-aware trajectory embedding model for next-location recommendation
title_sort time aware trajectory embedding model for next location recommendation
topic Engineering::Computer science and engineering
Next-location Recommendation
Distributed Representation Learning
url https://hdl.handle.net/10356/139251
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