Selected Publications

Recent journal publications:

  1. Bhattacharya, P., Phan, T.Q., Bai, X., and Airoldi, E. (2019). Analyzing the Co-evolution of Network Structure and Content Generation in Online Social Networks.(Journal: Information Systems Research (ISR))
  2. Bhattacharya, P., Gupta, R.K., and Yang, Y. (2020). The Contextual Dynamics of Multimodal Emotion Recognition in Videos (Under revision)

Recent working papers:

  1. Bhattacharya, P., Mehrotra, R., Tan, T., and Phan, T.Q. (2018). Predicting Loan Defaults in Microfinance using Behavioral Sequences.
  2. Phan, T.Q., Bhattacharya, P., and Airoldi, E. (2018). Investigating the Impact of New Privacy Controls by Social Network Sites on Users’ Content Generation Behavior.
  3. Bhattacharya, P., Phan, T.Q., and Goh, K.Y. (2017). The Profitability of Social Media Brand-Pages: Investigating the Effects of Customer Behavior at Online Social Network Sites on Offline Purchase.
  4. Dan, D., Bhattacharya, P., Phan, T.Q., and Lu, X. (2018). The Effect of Online Collaborative Peer Influence on Academic Performance: A Three-Stage Co-evolution model of Social Network and Individual Behavior.
  5. Tan, T., Bhattacharya, P., and Phan, T.Q. (2018). Predicting Micro-loan Default Behavior using Mobile Data: A Spatio-Network Approach.

Recent papers in-preparation:

  1. Bhattacharya, P., Tan, T., and Phan, T.Q. Assessing Peer-effects from Egocentric Borrower Networks: Evidence from an Emerging Micro-lending Community.
  2. Bhattacharya, P., and Mehrotra, R. Exploiting Causal Dependencies in Online Information Seeking.
  3. Mehrotra, R., Bhattacharya, P., Yilmaz, E. Extracting Web Search Tasks via Embedding based Nonparametric Priors.

Select Conference Publications:

  1. Mehrotra, R., Bhattacharya, P., and Lalmas-Roelleke, M. Inferring the Causal Impact of New Track Releases through Counterfactual Predictions. In Proc. of 14th ACM Conference on Recommender Systems (RecSys 2020),Worldwide.
  2. Ding, D., Bhattacharya, P., and Phan, T.Q. (2019). A Tale of Two Networks: Characterizing the Interplay between Online and Oine Communication Networks. In Proc. of 40th International Conference on Information Systems (ICIS 2019), Munich (Germany).
  3. Gupta, R.K., Bhattacharya, P., Yang, Y. (2019). What Constitutes Happiness? Predicting and Characterizing the Ingredients of Happiness using Emotion Intensity Analysis. In Proc. of the 2nd Workshop on A ective Content Analysis @ AAAI (AffCon2019), Honolulu (Hawaii).
  4. Ding, D., Phan, T.Q., Bhattacharya, P., and Lu, X. (2018). The Effect of Online Collaborative Peer Influence on Academic Performance: A Three-Stage Co-evolution model of Social Network and Individual Behavior. In Proc. of 39th International Conference on Information Systems (ICIS 2018), San Francisco (USA).
  5. Bhattacharya, P., Tan, T., and Phan, T.Q. (2018). Assessing Peer-effects from Egocentric Borrower Networks: Evidence from an Emerging Micro-lending Community.In 14th Symposium on Statistical Challenges in e-Commerce Research (SCECR 2018), Rotterdam.
  6. Ding, D., Phan, T.Q., Bhattacharya, P., and Lu, X. (2018) The Effect of Online Collaborative Peer Influence on Academic Performance: A Three-Stage Co-evolution model of Social Network and Individual Behavior. In 14th Symposium on Statistical Challenges in e-Commerce Research (SCECR 2018), Rotterdam.
  7. Mehrotra, R., Bhattacharya, P., Tan, T., and Phan, T.Q. (2017). Predictive Power of Online and Offline Behavior Sequences: Evidence from a Micro-finance Context. In Proc. of 38th International Conference on Information Systems (ICIS 2017), Seoul (South Korea).
  8. Lu, X., Rivas, A.G., Bhattacharya, P., and Phan, T.Q. (2017). A Paypal for the Un-Banked: Analyzing Mobile-Based Micro-Cash Transfers in a Large Developing Economy. In Proc. of 38th International Conference on Information Systems (ICIS 2017), Seoul (South Korea).
  9. Lin, Q., Bhattacharya, P., and Phan, T.Q. (2017). Battling Diabetes through Food Photography: An Image-based Utility Maximization Framework for Diet Diagnostics. In Proc. of 38th International Conference on Information Systems (ICIS 2017), Seoul (South Korea).
  10. Mehrotra, R., and Bhattacharya, P. (2017). Characterizing and Predicting Supply-side Engagement on Crowd-contributed Video Sharing Platforms.In Proc. of ACM International Conference on the Theory of Information Retrieval (ICTIR 2017), Amsterdam (Netherlands).
  11. Tan, T., Bhattacharya, P., and Phan, T.Q. (2016). Credit-worthiness Prediction in Microfinance using Mobile Data: A Spatio-network Approach. In Proc. of 37th International Conference on Information Systems (ICIS 2016), Dublin.
  12. Bhattacharya, P., Phan, T.Q., and Goh K.Y. (2016). The Value of Social Media Brand Pages: Investigating the Effects of Self-presentation at Online Social Network Sites on Offline Purchases. In 12th Symposium on Statistical Challenges in e-Commerce Research (SCECR 2016), Naxos (Greece).
  13. Faik, I., Bhattacharya, P., and Phan, T.Q. (2016). From Collective Sense-making to Collective Mindfulness: The Evolution of Online Social Movements in the Arab Spring””. In Proc. of the 76th Annual Meeting of the Academy of Management (AOM), Anaheim (USA).
  14. Mehrotra, R., Bhattacharya, P., and Yilmaz, E. (2016). Deconstructing Complex Search Tasks: A Bayesian Nonparametric Approach for Extracting Sub-tasks. In Proc. of 15th Annual Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT 2016), San Diego (USA).
  15. Mehrotra, R., Bhattacharya, P., and Yilmaz, E. (2016). Sessions, Tasks & Topics - Uncovering Behavioral Heterogeneities in Online Search Behavior. In Proc. of 39th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2016), Pisa (Italy).
  16. Bhattacharya, P., and Mehrotra, R. (2016). The Information Network: Exploiting Causal Dependencies in Online Information Seeking. In Proc. of ACM Conference on Human Information Interaction and Retrieval (CHIIR 2016), Chapel Hill, NC (USA).
  17. Mehrotra, R., Bhattacharya, P., and Yilmaz, E. (2016). Characterizing Users’ Multi-Tasking Behavior in Web Search. In Proc. of ACM Conference on Human Information Interaction and Retrieval (CHIIR 2016), Chapel Hill, NC (USA).
  18. Bhattacharya, P., Phan, T.Q., and Airoldi, E. (2015). Investigating the Impact of Network Effects on Content Generation: Evidence from a Large Online Student Network. In Proc. of 36th International Conference on Information Systems (ICIS 2015), Fort Worth, Texas (USA).
  19. Bhattacharya, P., Phan, T.Q., and Liu, L. (2015). Privacy-preserving Distributed Analytics: Addressing the Privacy-Utility Tradeoff Using Homomorphic Encryption for Peer-to-Peer Analytics. In Proc. of 36th International Conference on Information Systems (ICIS 2015), Fort Worth, Texas (USA).
  20. Bhattacharya, P., Phan, T.Q., and Airoldi, E. (2015). Analyzing the Co-evolution of Network Structure and Content Generation in Online Social Networks. In Proc. of 23rd European Conference on Information Systems (ECIS 2015), Munster (Germany).
  21. Tan, T., Bhattacharya, P., and Phan, T.Q. (2015). The Hedonic Curse: Investigating the Influence of Hedonic Ads on the Evaluation of Subsequent Ads. In Proc. of 23rd European Conference on Information Systems (ECIS 2015), Best Paper Nominee, Munster (Germany).
  22. Mehrotra, R., and Bhattacharya, P.. (2015). Modeling the Evolution of User-generated Content on a Large Video Sharing Platform. In Companion Proc. of 24th International World Wide Web Conference (WWW 2015), Florence (Italy).
  23. Bhattacharya, P., Phan, T.Q., and Goh K.Y. (2014). Investigating the Effects of Self-Presentation at Social Network Sites on Purchase Behavior: A Text Mining and Econometric Approach. In Workshop on Information Systems and Economics (WISE 2014), Auckland (NZ).
  24. Yang, L., Bhattacharya, P., and Jiang, Z. (2014). Video-Evoked Perspective Taking on Crowdfunding Platforms: Impacts on Contribution Behavior. In Proc. of 35th International Conference on Information Systems (ICIS 2014), Auckland (NZ)