activity
20172026
most citedFrustratingly Easy Natural Question Answering

15 citations · 32 across the 10 of their papers we have counts for

collaborators

12 papers

cs.AI2026

CoverSynth: Coverage-Guided Generation of Retrieval Evaluation Sets

Anahita Sharma, Apaar Shanker, Rishav Chakravarti +6

Enterprise agents need retrieval evaluation sets that expose domain-specific failures and guide developers towards efficient deployment tradeoffs. Neither expert-human-authored set…

cs.IR2026

Coverage, Not Averages: Semantic Stratification for Trustworthy Retrieval Evaluation

Andrew Klearman, Radu Revutchi, Rohin Garg +3

Retrieval quality is the primary bottleneck for accuracy and robustness in retrieval-augmented generation (RAG). Current evaluation relies on heuristically constructed query sets,…

cs.DB2025★ 2 cited

CoddLLM: Empowering Large Language Models for Data Analytics

Jiani Zhang, Hengrui Zhang, Rishav Chakravarti +6

Large Language Models (LLMs) have the potential to revolutionize data analytics by simplifying tasks such as data discovery and SQL query synthesis through natural language interac…

cs.AI2021★ 1 cited

Capturing Row and Column Semantics in Transformer Based Question Answering over Tables

Michael Glass, Mustafa Canim, Alfio Gliozzo +7

Transformer based architectures are recently used for the task of answering questions over tables. In order to improve the accuracy on this task, specialized pre-training technique…

cs.CL2021★ 1 cited

Towards Confident Machine Reading Comprehension

Rishav Chakravarti, Avirup Sil

There has been considerable progress on academic benchmarks for the Reading Comprehension (RC) task with State-of-the-Art models closing the gap with human performance on extractiv…

cs.CL2019★ 3 cited

The TechQA Dataset

Vittorio Castelli, Rishav Chakravarti, Saswati Dana +18

We introduce TechQA, a domain-adaptation question answering dataset for the technical support domain. The TechQA corpus highlights two real-world issues from the automated customer…

cs.CL2019

Ensembling Strategies for Answering Natural Questions

Anthony Ferritto, Lin Pan, Rishav Chakravarti +4

Many of the top question answering systems today utilize ensembling to improve their performance on tasks such as the Stanford Question Answering Dataset (SQuAD) and Natural Questi…

cs.CL2019★ 15 cited

Frustratingly Easy Natural Question Answering

Lin Pan, Rishav Chakravarti, Anthony Ferritto +5

Existing literature on Question Answering (QA) mostly focuses on algorithmic novelty, data augmentation, or increasingly large pre-trained language models like XLNet and RoBERTa. A…

cs.CL2019

Span Selection Pre-training for Question Answering

Michael Glass, Alfio Gliozzo, Rishav Chakravarti +5

BERT (Bidirectional Encoder Representations from Transformers) and related pre-trained Transformers have provided large gains across many language understanding tasks, achieving a…

cs.CL2019★ 7 cited

CFO: A Framework for Building Production NLP Systems

Rishav Chakravarti, Cezar Pendus, Andrzej Sakrajda +8

This paper introduces a novel orchestration framework, called CFO (COMPUTATION FLOW ORCHESTRATOR), for building, experimenting with, and deploying interactive NLP (Natural Language…

cs.CL2018

A Study on Passage Re-ranking in Embedding based Unsupervised Semantic Search

Md Faisal Mahbub Chowdhury, Vijil Chenthamarakshan, Rishav Chakravarti +1

State of the art approaches for (embedding based) unsupervised semantic search exploits either compositional similarity (of a query and a passage) or pair-wise word (or term) simil…

cs.IR2017★ 3 cited

Improved Answer Selection with Pre-Trained Word Embeddings

Rishav Chakravarti, Jiri Navratil, Cicero Nogueira dos Santos

This paper evaluates existing and newly proposed answer selection methods based on pre-trained word embeddings. Word embeddings are highly effective in various natural language pro…