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Laboratory for Computational Social Systems (LCS2) is a research group led by Dr. Tanmoy Chakraborty and Dr. Md. Shad Akhtar at Indraprastha Institute of Information Technology, Delhi (IIIT-Delhi). Broad research interests of this group include Data Mining, Complex Networks, Social Computing, Natural Language Processing and Data-driven Cybersecurity.


  • October 13, 2021
    Brihi Joshi and Aditya Chetan recieved Innovative Student Projects Award 2021 for their undergraduate thesis from Indian National Academy of Engineering (INAE).
  • October 12, 2021
    Paper accepted in WSDM, 2022 Subhabrata Dutta, Samiya Caur, Soumen Chakrabarti, Tanmoy Chakraborty. Semi-supervised Stance Detection of Tweets Via Distant Network Supervision.
  • October 12, 2021
    Paper accepted in WSDM, 2022 Ganeshan Malhotra, Abdul Waheed, Aseem Srivastava, Md Shad Akhtar, Tanmoy Chakraborty. Speaker and Time-aware Joint Contextual Learning for Dialogue-act Classification in Counselling Conversations.
  • September 29, 2021
    Paper accepted in NeurIPS 2021 as a spotlight paper Subhabrata Dutta, Tanya Gautam, Soumen Chakrabarti, Tanmoy Chakraborty. Redesigning the Transformer Architecture with Insights from Multi-particle Dynamical Systems.
  • September 22, 2021
    Hridoy Sankar Dutta succesfully defended his Ph.D. thesis titled Detecting and reasoning collusive activities in online media.
  • September 20, 2021
    Dr. Md Shad Akhtar has received a grant from Artificial Intelligence Journal (AIJ) for conducting the first workshop on Indian Code-mixed and Low-resource Natural Language Processing (ICLrNLP).
  • September 17, 2021
    Talk proposal accepted in Conference for Truth and Trust Online 2021: Tanmoy Chakraborty, Blackmarket-driven Collusive Attacks on Online Media Platforms.
  • September 11, 2021
    Megha Sundriyal received SIGIR student grant to attend and present her paper at CIKM’21.

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