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Learning Spatio-Temporal Behavioural Representations for Urban Activity Forecasting

Published: 03 June 2021 Publication History

Abstract

Understanding human activity patterns in cities enables a more efficient and sustainable energy, transport, and resource planning. In this invited talk, after laying out the background on spatio-temporal representation, I will present our unsupervised approaches to handle large-scale mutivariate sensor data from heterogeneous sources, prior to modelling them further with the rich contextual signals obtained from the environment. I will also present several spatio-temporal prediction and recommendation problems, leveraging graph-based enrichment and embedding techniques, with applications in continuous trajectory prediction, visitor intent profiling, and urban flow forecasting.

References

[1]
Shohreh Deldari, Daniel V. Smith, Amin Sadri, and Flora D. Salim. 2020. ESPRESSO: Entropy and ShaPe AwaRe TimE-Series SegmentatiOn for Processing Heterogeneous Sensor Data. Proc. of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 4, 3, Article 77 (Sept. 2020), 24 pages.
[2]
Shohreh Deldari, Daniel V. Smith, Hao Xue, and Flora D. Salim. 2021. Time-series Change Point Detection with Self-Supervised Contrastive Predictive Coding. In Proceedings of the Web Conference (WWW 2021). ACM.
[3]
Nan Gao, Hao Xue, Wei Shao, Sichen Zhao, Kyle Kai Qin, Arian Prabowo, Mohammad Saiedur Rahaman, and Flora D. Salim. 2020. Generative adversarial networks for spatio-temporal data: A survey. arXiv preprint arXiv:2008.08903(2020).
[4]
Manpreet Kaur, Flora Salim, Yongli Ren, Jeffrey Chan, Martin Tomko, and Mark Sanderson. 2018. Shopping intent recognition and location prediction from cyber-physical activities via wi-fi logs. In Proceedings of the 5th Conference on Systems for Built Environments. 130–139.
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Manpreet Kaur, Flora D. Salim, Yongli Ren, Jeffrey Chan, Martin Tomko, and Mark Sanderson. 2020. Joint Modelling of Cyber Activities and Physical Context to Improve Prediction of Visitor Behaviors. ACM Transactions on Sensor Networks 16, 3, Article 28 (Aug. 2020), 25 pages.
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Thuong Nguyen, Vu Nguyen, Flora D. Salim, and Dinh Phung. 2016. SECC: Simultaneous extraction of context and community from pervasive signals. In 2016 IEEE International Conference on Pervasive Computing and Communications (PerCom).
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Kyle K Qin, Flora D. Salim, Yongli Ren, Wei Shao, Mark Heimann, and Danai Koutra. 2020. G-CREWE: Graph CompREssion With Embedding for Network Alignment. In Proc. of the 29th ACM International Conference on Information & Knowledge Management. 1255–1264.
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Yongli Ren, Martin Tomko, Flora D. Salim, Jeffrey Chan, Charles LA Clarke, and Mark Sanderson. 2017. A location-query-browse graph for contextual recommendation. IEEE Transactions on Knowledge and Data Engineering 30, 2(2017), 204–218.
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Yongli Ren, Martin Tomko, Flora Dilys Salim, Kevin Ong, and Mark Sanderson. [n.d.]. Analyzing Web behavior in indoor retail spaces. Journal of the Association for Information Science and Technology 68, 1([n. d.]), 62–76.
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Amin Sadri, Yongli Ren, and Flora D. Salim. 2017. Information gain-based metric for recognizing transitions in human activities. Pervasive and Mobile Computing 38 (2017), 92–109.
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Amin Sadri, Flora D. Salim, Yongli Ren, Wei Shao, John C Krumm, and Cecilia Mascolo. 2018. What will you do for the rest of the day?: An approach to continuous trajectory prediction. Proc. of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 2, 4 (2018).
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Amin Sadri, Flora D. Salim, Yongli Ren, Masoomeh Zameni, Jeffrey Chan, and Timos Sellis. 2017. Shrink: Distance preserving graph compression. Information Systems 69(2017), 180–193.
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Aaqib Saeed, Flora D. Salim, Tanir Ozcelebi, and Johan Lukkien. 2020. Federated Self-Supervised Learning of Multi-Sensor Representations for Embedded Intelligence. IEEE Internet of Things Journal(2020), 1–1. https://doi.org/10.1109/JIOT.2020.3009358
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Wei Shao, Flora D Salim, Andy Song, and Athman Bouguettaya. 2016. Clustering big spatiotemporal-interval data. IEEE Transactions on Big Data 2, 3 (2016), 190–203.
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Xianjing Wang, Flora D. Salim, Yongli Ren, and Piotr Koniusz. 2020. Relation Embedding for Personalised POI Recommendation. In 24th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 2020).
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Hao Xue and Flora Salim. 2021. TERMCast: Temporal Relation Modeling for Effective Urban Flow Forecasting. 25th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD-2021) (2021).
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Franco Zambonelli, Flora Salim, Seng W Loke, Wolfgang De Meuter, and Salil Kanhere. 2018. Algorithmic governance in smart cities: The conundrum and the potential of pervasive computing solutions. IEEE Technology and Society Magazine 37, 2 (2018), 80–87.

Cited By

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  • (2022)Report on the 11th international workshop on location and the web (LocWeb 2021) and the 11th temporal web analytics workshop (TempWeb2021) at WWW2021ACM SIGIR Forum10.1145/3527546.352755555:2(1-7)Online publication date: 17-Mar-2022

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Published In

cover image ACM Conferences
WWW '21: Companion Proceedings of the Web Conference 2021
April 2021
726 pages
ISBN:9781450383134
DOI:10.1145/3442442
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 03 June 2021

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Author Tags

  1. datasets
  2. gaze detection
  3. neural networks
  4. text tagging

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WWW '21
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WWW '21: The Web Conference 2021
April 19 - 23, 2021
Ljubljana, Slovenia

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Overall Acceptance Rate 1,899 of 8,196 submissions, 23%

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View all
  • (2022)Report on the 11th international workshop on location and the web (LocWeb 2021) and the 11th temporal web analytics workshop (TempWeb2021) at WWW2021ACM SIGIR Forum10.1145/3527546.352755555:2(1-7)Online publication date: 17-Mar-2022

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