Publications

(2020). Transforming Facial Weight of Real Images by Editing Latent Space of StyleGAN.

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(2020). Foodbot: A Goal-Oriented Just-in-Time Healthy Eating Interventions Chatbot.

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(2020). Cross-Modal Food Retrieval: Learning a Joint Embedding of Food Images and Recipes with Semantic Consistency and Attention Mechanism.

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(2020). RecipeGPT: Generative Pre-training Based Cooking Recipe Generation and Evaluation System.

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(2019). Estimating Glycemic Impact of Cooking Recipes via Online Crowdsourcing and Machine Learning. Proceedings of the 9th International Digital Public Health Conference - DPH ‘19.

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(2019). Characterizing and Predicting Repeat Food Consumption Behavior for Just-in-Time Interventions. Proceedings of the 9th International Digital Public Health Conference - DPH ‘19.

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(2019). FoodAI: Food Image Recognition via Deep Learning for Smart Food Logging. Proceedings of the 25th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining - KDD ‘19.

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(2018). Eat & Tell: A Randomized Trial of Random-Loss Incentive to Increase Dietary Self-Tracking Compliance. Proceedings of the 2018 International Conference on Digital Health - DH ‘18.

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(2018). Does Journaling Encourage Healthier Choices? Analyzing Healthy Eating Behaviors of Food Journalers. Proceedings of the 2018 International Conference on Digital Health - DH ‘18.

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(2016). Using Online Controlled Experiments to Examine Authority Effects on User Behavior in Email Campaigns. Proceedings of the 27th ACM Conference on Hypertext and Social Media - HT ‘16.

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(2016). Extracting Food Substitutes From Food Diary via Distributional Similarity. Proceedings of the 2016 Workshop on Engendering Health with RecSys - HealthRecSys ‘16.

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(2016). On Analyzing Geotagged Tweets for Location-Based Patterns. Proceedings of the 17th International Conference on Distributed Computing and Networking - ICDCN ‘16.

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(2016). Insights from Machine-Learned Diet Success Prediction. Proceedings of Pacific Symposium on Biocomputing 2016 - PSB ‘16.

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(2015). eScience and Living Analytics. Proceedings of the 17th International Conference on Asia-Pacific Digital Libraries- ICADL ‘15.

(2014). Do you know the speaker?: an online experiment with authority messages on event websites. Proceedings of the 23rd International Conference on World Wide Web - WWW ‘14 Companion.

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(2014). On Finding the Point Where There Is No Return: Turning Point Mining on Game Data. Proceedings of the 2014 SIAM International Conference on Data Mining - SDM ‘14.

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(2014). LASER: A Living Analytics Experimentation System for Large-Scale Online Controlled Experiments. Proceedings of the 23rd International Conference on World Wide Web - WWW ‘14 Companion.

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(2012). Palanteer: A search engine for community generated microblogging data. Proceedings of the 14th International Conference on Asia-Pacific Digital Libraries - ICADL ‘12.

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(2012). Automatic Classification of Software Related Microblogs. Proceedings of the 28th IEEE International Conference on Software Maintenance - ICSM ‘12.

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(2012). In-game Action List Segmentation and Labeling in Real-Time Strategy Games. Proceedings of the 2012 IEEE Conference on Computational Intelligence and Games - CIG ‘12.

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(2012). Observatory of Trends in Software Related Microblogs. Proceedings of the 27th IEEE/ACM International Conference on Automated Software Engineering - ASE ‘12.

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(2012). Follow Link Seeking Strategy: A Pattern Based Approach. Proceedings of the 6th SNA-KDD Workshop on Social Network Mining and Analysis - SNA-KDD ‘12.

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(2012). What does software engineering community microblog about?. Proceedings of the 12th Working Conference on Mining Software Repositories - MSR ‘12.

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(2012). Tweets and Votes: A Study of The 2011 Singapore General Election. Proceedings of the 2012 45th Annual Hawaii International Conference on System Sciences - HICSS ‘12.

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(2012). Who is Retweeting the Tweeters? Modeling Originating and Promoting Behaviors in the Twitter Network. ACM Transactions on Management Information Systems.

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(2012). Influentials, novelty, and social contagion. The viral power of average friends, close communities, and old news. Social Networks.

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(2011). Modeling socialness in dynamic social networks. Proceedings of the 2011 International Conference on Advances in Social Networks Analysis and Mining - ASONAM ‘11.

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(2011). Topical keyphrase extraction from Twitter. Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies - HLT ‘11.

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(2011). On Modeling Virality of Twitter Content. Proceedings of the 13th International Conference on Asia-pacific Digital Libraries - ICADL ‘11.

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(2010). Improving diversity of focused summaries through the negative endorsements of redundant facts. Proceedings of the 2010 IEEE/WIC/ACM International Conference on Web Intelligence - WI ‘10.

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(2010). Answer diversification for complex question answering on the web. Proceedings of the 14th Pacific-Asia Conference on Knowledge Discovery and Data Mining - PAKDD ‘10.

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(2009). Using Negative Voting to Diversify Answers in Non-factoid Question Answering. Proceedings of the 18th ACM international conference on Information and knowledge management - CIKM ‘09.

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(2009). Probabilistic models for topic learning from images and captions in online biomedical literatures. Proceedings of the 18th ACM international conference on Information and knowledge management - CIKM ‘09.

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(2009). AskDragon: A redundancy-based factoid question answering system with lightweight local context analysis. Proceedings of the 9th ACM/IEEE-CS joint conference on Digital libraries - JCDL ‘09.

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(2009). Addressing the variability of natural language Expression in sentence similarity with semantic structure of the sentences. Proceedings of the 13th Pacific-Asia Conference on Knowledge Discovery and Data Mining - PAKDD ‘09.

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(2008). Utilizing Semantic, Syntactic, and Question category Information for Automated Digital Reference Services. Proceedings of the 11th International Conference on Asian Digital Libraries - ICADL ‘08.

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(2008). The Evaluation of Sentence Similarity Measures. Proceedings of the 10th International Conference on Data Warehousing and Knowledge Discovery - DaWak ‘08.

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(2008). Semantic Representation in Text Classification using Topic Signature Mapping. Proceedings of the International Joint Conference on Neural Networks - IJCNN ‘08.

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(2008). A Graph-Based Biomedical Literature Clustering Approach Utilizing Term's Global and Local Importance Information. International Journal of Data Warehousing and Mining.

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(2007). Supporting student collaboration for image indexing. Proceedings of the 10th International Conference on Asia-Pacific Digital Libraries - ICADL ‘07.

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(2007). Utilization of Global Ranking Information in Graph-based Biomedical Literature Clustering. Proceedings of the 9th International Conference on Data Warehousing and Knowledge Discovery - DaWak ‘07.

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(2007). A framework for text processing and supporting access to collections of digitized historical newspapers. Proceedings of the 12th International Conference on Human-Computer Interaction - HCII ‘07.

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(2007). Semantically Enhanced User Modeling. Proceedings of the 2007 ACM Symposium on Applied Computing - SAC ‘07.

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(2007). Algorithms for different approximations in incomplete information systems with maximal compatible classes as primitive granules. Proceedings of the 2007 IEEE International Conference on Granular Computing - GrC ‘07.

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(2006). A tool for teaching principles of image metadata generation. Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries - JCDL ‘06.

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(2005). Voting and political information gathering on paper and online. Proceedings of ACM CHI 2005 Conference on Human Factors in Computing Systems - CHI ‘05.

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