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]