Avi Sil  Avi Sil photo         

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Principal Research Scientist & Research Manager - Multilingual Question Answering
IBM Research AI, New York, USA
  

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Professional Associations

Professional Associations:  Association for Computational Linguistics

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2022

MuMuQA: Multimedia Multi-Hop News Question Answering via Cross-Media Knowledge Extraction and Grounding
Revanth Reddy, Manling li, Lifu Huang, Heng Ji, Mohit Bansal, Avirup Sil
AAAI, 2022

Improved Text Classification via Contrastive Adversarial Training
Lin Pan, Chung-Wei Hang, Avirup Sil, Saloni Potdar, Mo Yu
AAAI, 2022


2021

Multi-Domain Multilingual Question Answering
Sebastian Ruder and Avirup Sil
EMNLP 2021, Tutorial

VAULT: VAriable Unified Long Text Representation for Machine Reading Comprehension
Haoyang Wen, Anthony Ferritto, Heng Ji, Radu Florian, Avirup Sil
ACL, 2021
Talk video: https://underline.io/lecture/25746-vault-variable-unified-long-text-representation-for-machine-reading-comprehension

InfoSurgeon: Cross-Media Fine-grained Information Consistency Checking for Fake News Detection
Yi Fung, Christopher Thomas, Revanth Gangi Reddy, Sandeep Polisetty, Heng Ji, Shih-Fu Chang, Kathleen McKeown, Mohit Bansal, Avirup Sil
ACL, 2021

Synthetic Target Domain Supervision for Open Retrieval QA
Revanth Gangi Reddy, Bhavani Iyer, Md Arafat Sultan, Rong Zhang, Avirup Sil, Vittorio Castelli, Radu Florian and Salim Roukos
SIGIR, 2021

Event Time Extraction and Propagation via Graph Attention Networks
Haoyang Wen, Yanru Qu, Heng Ji, Qiang Ning, Jiawei Han, Avirup Sil, Hanghang Tong, Dan Roth
NAACL, 2021

Capturing Row and Column Semantics in Transformer Based Question Answering over Tables
Michael Glass, Mustafa Canim, Rishav Chakravarti, Alfio Gliozzo, Nicolas Rodolfo Fauceglia, Saneem Ahmed Chemmengath, Vishwajeet Kumar, Avirup Sil
NAACL, 2021

KAAPA: Knowledge Aware Answers from PDF Documents
Nicolas Fauceglia, Mustafa Canim, Alfio Gliozzo, Jennifer J Liang, Nancy Xin Ru Wang, Douglas Burdick, Nandana Mihindukulasooriya, Vittorio Castelli, Guy Feigenblat, David Konopnicki, Yannis Katsis, Radu Florian, Yunyao Li, Salim Roukos, Avirup Sil
AAAI (Demo Track), 2021



2020

A Multilingual Reading Comprehension System for more than 100 Languages
Anthony Ferritto, Sara Rosenthal, Mihaela Bornea, Kazi Hasan, Rishav Chakravarti, Salim Roukos, Radu Florian, Avirup Sil
COLING (Demo Track), 2020

Towards building a Robust Industry-scale Question Answering System
Rishav Chakravarti, Anthony Ferritto, Bhavani Iyer, Lin Pan, Radu Florian, Salim Roukos, Avirup Sil
COLING (Industry Track), 2020

ARES: A Reading Comprehension Ensembling Service
Anthony Ferritto, Lin Pan, Rishav Chakravarti, Salim Roukos, Radu Florian, J William Murdock, Avirup Sil
EMNLP (Demo), 2020

Answer Span Correction in Machine Reading Comprehension
Revanth Reddy, Rong Zhang, Efsun Kayi, Arafat Sultan, Vittorio Castelli, Avirup Sil
EMNLP (Findings), 2020

Multi-Stage Pretraining for Low-Resource Domain Adaptation
Rong Zhang, Revanth Reddy, Efsun Kayi, Arafat Sultan, Vittorio Castelli, Todd Ward, Radu Florian, Salim Roukos, Avirup Sil
EMNLP, 2020

The TechQA Dataset
Vittorio Castellii, Rishav Chakravarti, ..., Avirup Sil, Rosario Uceda-Sosa, Todd Ward, Rong Zhang
Association of Computational Linguistics (ACL), 2020
Code to our baseline system: https://github.com/IBM/techqa

Cross-lingual Structure Transfer for Zero-resource Event Extraction
Di Lu, Ananya Subburathinam, Heng Ji, Jonathan May, Shih-Fu Chang, Avirup Sil, Clare Voss
LREC, 2020

Span Selection Pre-training for Question Answering
Michael Glass, Alfio Gliozzo, Rishav Chakravarti, Anthony Ferritto, Lin Pan, GP Bhargav, Dinesh Garg, Avirup Sil
Association of Computational Linguistics (ACL), 2020
Code: https://github.com/IBM/span-selection-pretraining


2019

Overview of TAC-KBP2019 Fine-grained Entity Extraction
Heng Ji, Avirup Sil, Hoa Trang Dang, Ian Soboroff, Joel Nothman
Text Analysis Conference (TAC), 2019

Frustratingly Easy Natural Question Answering
Lin Pan, Rishav Chakravarti, Anthony Ferritto, Michael Glass, Alfio Gliozzo, Salim Roukos, Radu Florian, Avirup Sil
ArXiv, 2019

Cross-lingual Structure Transfer for Relation and Event Extraction
Ananya Subburathinam, Di Lu, Heng Ji, Jonathan May, Shih-Fu Chang, Avirup Sil, Clare Voss
Empirical Methods in Natural Language Processing (EMNLP), 2019

Joint Entity and Event Extraction with Generative Adversarial Imitation Learning
Tongtao Zhang, Heng Ji, Avirup Sil
Data Intelligence Journal, 2019
(Journal Paper)

CFO: A Framework for Building Production NLP Systems
Rishav Chakravarti, Cezar Pendus, Andrzej Sakrajda, Anthony Ferritto, Lin Pan, Michael Glass, Vittorio Castelli, J William Murdock, Radu Florian, Salim Roukos, Avirup Sil
Empirical Methods in Natural Language Processing (EMNLP), Demo Track, 2019


2018


Tutorial on Cross-lingual Entity Discovery and Linking
Avirup Sil, Heng Ji, Dan Roth and Silviu Cucerzan
Association of Computational Linguistics, (ACL), 2018
Slides available in the tutorial website

Neural Cross-lingual Entity Linking
Avirup Sil, Gourab Kundu, Radu Florian and Wael Hamza
Association for the Advancement of Artificial Intelligence (AAAI), 2018


2017

The IBM Systems for Entity Discovery and Linking at TAC 2017
Avirup Sil, Georgiana Dinu, Gourab Kundu and Radu Florian
Text Analysis Conference (TAC), Gaithersburg, MD, 2017

Improving Slot Filling Performance with Attentive Neural Networks on Dependency Structures
Lifu Huang, Avirup Sil, Heng Ji, Radu Florian
Empirical Methods in Natural Language Processing (EMNLP), 2017


2016

Liberal Event Extraction and Event Schema Induction
Lifu Huang, Xiaocheng Feng Taylor Cassidy, Heng Ji, Clare R Voss, Jiawei Han and Avirup Sil
Association of Computational Linguistics, ACL, 2016


Toward Mention Detection Robustness with Recurrent Neural Networks
Thien Huu Nguyen and Avirup Sil and Georgiana Dinu and Radu Florian
IJCAI Workshop on Deep Learning for AI (DLAI), 2016



2015



2014


Temporal Scoping of Relational Facts based on Wikipedia Data
Avirup Sil, Silviu Cucerzan
Computational Natural Language Learning (CoNLL) 8(4), 4, 2014


2013

The MSR Systems for Entity Linking and Temporal Slot Filling at TAC 2013 (Best Score in both tasks)
Silviu Cucerzan and Avirup Sil
Text Analysis Conference, Gaithersburg, 2013

Discovering what students know through data mining their problem-solving actions within the immersive virtual environment, SAVE Science
D Ketelhut, Brian Nelson, Avirup Sil, Alexander Yates
American Educational Research Association (AERA), 2013

Exploring Re-Ranking Approaches for Joint Named-Entity Recognition and Linking (Best Paper Award)
Avirup Sil
Proceedings of the Sixth Workshop on Ph.D. students in Information and Knowledge Management (PIKM) , pp. 11--18, 2013

Re-ranking for Joint Named-Entity Recognition and Linking
Avirup Sil and Alexander Yates
Proceedings of the 22nd ACM international conference on Conference on Information & Knowledge Management (CIKM), pp. 2369--2374, 2013


2012

Automatic grading of scientific inquiry
Avirup Sil, Diane Jass Ketelhut, Angela Shelton, Alexander Yates
Proceedings of the Seventh Workshop on Building Educational Applications Using NLP at NAACL, pp. 22--32, 2012

Linking named entities to any database
Avirup Sil, Ernest Cronin, Penghai Nie, Yinfei Yang, Ana-Maria Popescu, Alexander Yates
Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP), pp. 116--127


2011

Machine reading between the lines: A simple evaluation framework for extracted knowledge bases
Avirup Sil, Alexander Yates
Proceedings of the Workshop on Information Extraction and Knowledge Acquisition, pp. 37--40, 2011

Extracting STRIPS Representations of Actions and Events.
Avirup Sil, Alexander Yates
RANLP, pp. 1--8, 2011


2010

Extracting Action and Event Semantics from Web Text.
Avirup Sil, Fei Huang, Alexander Yates
AAAI Fall Symposium: Commonsense Knowledge, 2010