publications

2025

1. 

   Prefilled responses enhance zero-shot detection of AI-generated images

   Zoher Kachwala , Danishjeet Singh , Danielle Yang , and 1 more author

   2025

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   Introduced Prefill-Guided Thinking (PGT), a zero-shot method for detecting AI-generated images without training data, achieving 24% F1 improvement across 16 state-of-the-art generators.

   @misc{kachwala2025prefilledresponsesenhancezeroshot,
     title = {Prefilled responses enhance zero-shot detection of AI-generated images},
     author = {Kachwala, Zoher and Singh, Danishjeet and Yang, Danielle and Menczer, Filippo},
     year = {2025},
     eprint = {2506.11031},
     archiveprefix = {arXiv},
     primaryclass = {cs.LG},
     url = {https://arxiv.org/abs/2506.11031},
     status = {NeurIPS 2024 Workshop; Under Review – ACL ARR},
   }

2. MultiModReddit: A Benchmark for Community-Aware Content Moderation

   Zoher Kachwala , Jisun An , Haewoon Kwak , and 1 more author

   2025

   Under Review – ACL ARR

   Abs Bib

   Multimodal benchmark with 100K discussion threads across 100 Reddit communities with distinct rule sets, enabling evaluation of LLM moderation systems that respect community-specific norms.

   @unpublished{kachwala2025multimodreddit,
     title = {MultiModReddit: A Benchmark for Community-Aware Content Moderation},
     author = {Kachwala, Zoher and An, Jisun and Kwak, Haewoon and Menczer, Filippo},
     year = {2025},
     note = {Under Review – ACL ARR},
     status = {Under Review},
   }

3. Cross-Community Generalization through Structured Supervised Fine-Tuning

   Zoher Kachwala , Jisun An , Haewoon Kwak , and 1 more author

   2025

   In Preparation

   Abs Bib

   SFT methodology using structured chain-of-thought distillation, demonstrating that systematic context analysis enables single-community training to generalize across 100+ diverse communities.

   @unpublished{kachwala2025crosscommunity,
     title = {Cross-Community Generalization through Structured Supervised Fine-Tuning},
     author = {Kachwala, Zoher and An, Jisun and Kwak, Haewoon and Menczer, Filippo},
     year = {2025},
     note = {In Preparation},
     status = {In Preparation},
   }

2024

1. 

   REMATCH: Robust and Efficient Matching of Local Knowledge Graphs to Improve Structural and Semantic Similarity

   Zoher Kachwala , Jisun An , Haewoon Kwak , and 1 more author

   In Findings of the Association for Computational Linguistics: NAACL 2024 , Jun 2024

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   Introduced REMATCH, a novel AMR graph evaluation metric achieving 5x speedup while ranking first in semantic similarity. Released RARE benchmark advancing evaluation infrastructure for knowledge-grounded NLP systems.

   @inproceedings{kachwala-etal-2024-rematch,
     title = {{REMATCH}: Robust and Efficient Matching of Local Knowledge Graphs to Improve Structural and Semantic Similarity},
     author = {Kachwala, Zoher and An, Jisun and Kwak, Haewoon and Menczer, Filippo},
     editor = {Duh, Kevin and Gomez, Helena and Bethard, Steven},
     booktitle = {Findings of the Association for Computational Linguistics: NAACL 2024},
     month = jun,
     year = {2024},
     address = {Mexico City, Mexico},
     publisher = {Association for Computational Linguistics},
     url = {https://aclanthology.org/2024.findings-naacl.64/},
     doi = {10.18653/v1/2024.findings-naacl.64},
     pages = {1018--1028},
   }

2023

1. 

   A multi-platform collection of social media posts about the 2022 US midterm elections

   Rachith Aiyappa , Matthew R DeVerna , Manita Pote , and 8 more authors

   In Proceedings of the International AAAI Conference on Web and Social Media , Jun 2023

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   Released MEIU22, a multi-platform dataset with 30M posts across Twitter, Facebook, Instagram, Reddit, and 4chan tracking the 2022 U.S. Midterm Elections, alongside open-source collection pipeline.

   @inproceedings{aiyappa2023multi,
     title = {A multi-platform collection of social media posts about the 2022 US midterm elections},
     author = {Aiyappa, Rachith and DeVerna, Matthew R and Pote, Manita and Truong, Bao Tran and Zhao, Wanying and Axelrod, David and Pessianzadeh, Aria and Kachwala, Zoher and Kim, Munjung and Seckin, Ozgur Can and others},
     booktitle = {Proceedings of the International AAAI Conference on Web and Social Media},
     volume = {17},
     pages = {981--989},
     year = {2023},
     doi = {10.1609/icwsm.v17i1.22205},
     url = {https://ojs.aaai.org/index.php/ICWSM/article/view/22205},
   }

2. The Inexplicable Efficacy of Language Models

   Rachith Aiyappa , and Zoher Kachwala

   XRDS: Crossroads, The ACM Magazine for Students, Apr 2023

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   Educational survey introducing language modeling fundamentals and unexplained emergent capabilities of LLMs, discussing key limitations and recent approaches.

   @article{aiyappa_inexplicable_2023,
     title = {The {Inexplicable} {Efficacy} of {Language} {Models}},
     volume = {29},
     issn = {1528-4972},
     url = {https://dl.acm.org/doi/10.1145/3589654},
     doi = {10.1145/3589654},
     number = {3},
     urldate = {2024-03-18},
     journal = {XRDS: Crossroads, The ACM Magazine for Students},
     author = {Aiyappa, Rachith and Kachwala, Zoher},
     month = apr,
     year = {2023},
     pages = {60--62},
   }