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Chunxiao Li 0003

dblp:30/1926-3 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2019
—ORCID · unresolved

Domains — the database's venue-derived domains; a paper can count in several

Databases, data management, data science and information retrieval · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Interdisciplinary, comprehensive, and emerging computing
1 paper
Smart cities and intelligent transportation · 100%
Databases, data mining, and information retrieval
1 paper
Data mining · 62% Recommender systems · 19% Web and social media mining · 19%

Topics — the 4 heaviest of 5, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Smart cities and intelligent transportation › urban informatics
human mobility modeling
0.412019
Representing Urban Forms: A Collective Learning Model with Heterogeneous Human Mobility Data · IEEE Trans. Knowl. Data Eng. 2019
Smart cities and intelligent transportation
urban computing
0.412019
Representing Urban Forms: A Collective Learning Model with Heterogeneous Human Mobility Data · IEEE Trans. Knowl. Data Eng. 2019
Data mining › representation learning
latent representation learning
0.412019
Representing Urban Forms: A Collective Learning Model with Heterogeneous Human Mobility Data · IEEE Trans. Knowl. Data Eng. 2019
Web and social media mining
popularity prediction
0.112019
Representing Urban Forms: A Collective Learning Model with Heterogeneous Human Mobility Data · IEEE Trans. Knowl. Data Eng. 2019

Methods — techniques the papers use, named apart from their topics

significant testing · 0.8latent representation learning · 0.8LASSO · 0.8
YearPublicationVenuePosition
2019 Representing Urban Forms: A Collective Learning Model with Heterogeneous Human Mobility Data
abstract
Human mobility data refers to records of human movements, such as cellphone traces, vehicle GPS trajectories, geo-tagged posts, and photos. While successfully mining human mobility data can benefit many applications such as city planning, transportation, urban economics, and public safety, it is very challenging to model large-scale Heterogeneous Human Mobility Data (HHMD) that are generated from different resources. In this paper, we develop a general collective learning approach to model HHMD at an individual level towards identifying and quantifying the urban forms of residential communities. Specifically, our proposed method exploits two geographic regularities among HHMD. First, we jointly capture the correlations among residential communities, urban functions, temporal effects, and user mobility patterns by analogizing communities as documents and mobility patterns as words. Also, we further combine explicit LASSO analysis and significant testing into latent representation learning as a regularization term by analogizing compatible Point-of-Interests (POIs) as the meta-data of communities. In this way, we can learn the urban forms, including a mix of functions and corresponding portfolios, of residential communities from HHDM and POIs. We further leverage these learned results to address two application problems: real estate ranking and restaurant popularity prediction. Finally, we conduct intensive evaluations with a variety of real-world data, where experimental results demonstrate the effectiveness of our proposed modeling method and its successful applications for other problems.
Yanjie Fu, Guannan Liu 0004, Yong Ge 0001, Pengyang Wang, Hengshu Zhu, Chunxiao Li 0003, Hui Xiong 0001
IEEE Trans. Knowl. Data Eng.6