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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/75828


    Title: On the semantic annotation of daily places: A machine-learning approach
    Authors: Chang, C.-W.;Fan, Y.-C.;Wu, K.-C.;Chen, Arbee L. P.
    陳良弼
    Contributors: 資科系
    Keywords: Artificial intelligence;Behavioral research;Classification (of information);Experiments;Learning systems;Mobile devices;Mobile telecommunication systems;Semantics;Social sciences;Human behaviors;Location aware services;Machine learning techniques;Machine-learning;Physical locations;Semantic annotations;Semantic understanding;User location;Location based services
    Date: 2014-11
    Issue Date: 2015-06-16 15:25:02 (UTC+8)
    Abstract: Over the recent years smart devices have become a ubiquitous medium supporting various forms of functionality and are widely accepted for common users. One distinguishing feature for smart devices is the ability of positioning the physical location of a device, and numerous applications based on user location information have been proposed. While the potentials have been foreseen, location based services fundamentally suffer from the problem of lacking an effective and scalable mechanism to bridge the gap between the machine-observed locations and the human understandable places. In this study, we contribute on this fundamental problem. Differing from the existing solutions on this subject, we start from a novel perspective; we propose to address the place semantic understanding problem by casting it as a classification problem and employ machine learning techniques to automatically infer the types of the places. The key observation is that human behaviors are not random, e.g., people visit restaurants around noon, go for work in the daytime, and stay at home at night. Namely, by properly selecting features, a mechanism for automatically inferring place type semantics can be achieved. This paper summarizes our treatment and findings of leveraging the human behaviors patterns to infer the type of a place. Experiments using month-long trace logs from the recruited participants are conducted, and the experiment results demonstrate the effectiveness of the proposed method.
    Relation: International Conference on Information and Knowledge Management, Proceedings, 3 November 2014, Pages 3-8, 4th International Workshop on Location and the Web, LocWeb 2014 - Co-located with CIKM 2014; Shanghai; China; 3 November 2014 到 ; 代碼 108975
    Data Type: conference
    DOI link: http://dx.doi.org/10.1145/2663713.2664424
    DOI: 10.1145/2663713.2664424
    Appears in Collections:[Department of Computer Science ] Proceedings

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