Publications

Journal papers

1. Distinguishing Friends from Strangers in Location-based Social Networks using Co-location

Gunarto Sindoro Njoo, Kuo-Wei Hsu, Wen-Chih Peng

Elsevier's Pervasive and Mobile Computing Journal (Accepted Sep 06, 2018) (Volume 50, pages 114-123)

<<Code can be found here under the branch of sci>>

https://doi.org/10.1016/j.pmcj.2018.09.001

International conference papers

1. Probabilistic Value Selection for Space Efficient Model

Gunarto Sindoro Njoo, Baihua Zheng, Kuo-Wei Hsu, Wen-Chih Peng

The 21st IEEE International Conference on Mobile Data Management, July 2020 (Runner up for best paper award)

2. Understanding Human Behavior through Sensory Data and Location-Based Services

Gunarto Sindoro Njoo

The 20th IEEE International Conference on Mobile Data Management, June 2019 [Short Paper - PhD Colloquium]

3. Exploring Checkin Data to infer Social Ties in Location-Based Social Networks

Gunarto Sindoro Njoo, Min-Chia Kao, Kuo-Wei Hsu, Wen-Chih Peng

The Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), May 2017 [Full paper]

https://link.springer.com/chapter/10.1007/978-3-319-57454-7_36

4. Exploring Multi-View Learning for Activity Inferences on Smartphones

Gunarto Sindoro Njoo, Chien-Hsiang Lai, Kuo-Wei Hsu

The Conference on Technologies and Applications of Artificial Intelligence (TAAI), Nov 2016 [Full paper]

http://ieeexplore.ieee.org/document/7880160/

5. A fusion-based approach for user activities recognition on smartphones

Gunarto Sindoro Njoo, Xiao Wen Ruan, Kuo-Wei Hsu, Wen-Chih Peng

International Conference on Data Science and Advanced Analytics (DSAA), Oct 2015 [Full paper]

http://ieeexplore.ieee.org/document/7344875/

6. Inferring user activities from spatial-temporal data in mobile phones

Gunarto Sindoro Njoo, Xiao Wen Ruan, Kuo-Wei Hsu, Wen-Chih Peng

ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp), Sep 2015 [Poster]

http://dl.acm.org/citation.cfm?id=2800868

7. On selecting feature-value pairs on smartphones for activity inferences

Gunarto Sindoro Njoo, Yu-Hsiang Peng, Kuo-Wei Hsu, Wen-Chih Peng

International Conference on Data Science and Advanced Analytics (DSAA), Oct 2014 [Full paper]

http://ieeexplore.ieee.org/document/7058091/

8. Associative Classification for Human Activity Inference on Smartphones

Yu-Hsiang Peng, Gunarto Sindoro Njoo, Shou-Chung Li, Wen-Chih Peng

Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), May 2014 [Workshop paper]

https://link.springer.com/chapter/10.1007/978-3-319-13186-3_29

Domestic conference papers

1. A Sensor-based Chatbot using Spatiotemporal and Text Data

Ya-Mei Tseng, Gunarto Sindoro Njoo, Wen-Chih Peng

The Conference on Technologies and Applications of Artificial Intelligence (TAAI), Dec 2017 [Domestic paper]

Demo on the Facebook Messenger platform