Search Results for author: Tushar Khot

Found 54 papers, 37 papers with code

SUPER: Evaluating Agents on Setting Up and Executing Tasks from Research Repositories

1 code implementation11 Sep 2024 Ben Bogin, Kejuan Yang, Shashank Gupta, Kyle Richardson, Erin Bransom, Peter Clark, Ashish Sabharwal, Tushar Khot

To advance towards this goal, we introduce SUPER, the first benchmark designed to evaluate the capability of LLMs in setting up and executing tasks from research repositories.

AppWorld: A Controllable World of Apps and People for Benchmarking Interactive Coding Agents

1 code implementation26 Jul 2024 Harsh Trivedi, Tushar Khot, Mareike Hartmann, Ruskin Manku, Vinty Dong, Edward Li, Shashank Gupta, Ashish Sabharwal, Niranjan Balasubramanian

To remedy this gap, we built $\textbf{AppWorld Engine}$, a high-quality execution environment (60K lines of code) of 9 day-to-day apps operable via 457 APIs and populated with realistic digital activities simulating the lives of ~100 fictitious users.

Benchmarking Code Generation

DiscoveryBench: Towards Data-Driven Discovery with Large Language Models

1 code implementation1 Jul 2024 Bodhisattwa Prasad Majumder, Harshit Surana, Dhruv Agarwal, Bhavana Dalvi Mishra, Abhijeetsingh Meena, Aryan Prakhar, Tirth Vora, Tushar Khot, Ashish Sabharwal, Peter Clark

Can the rapid advances in code generation, function calling, and data analysis using large language models (LLMs) help automate the search and verification of hypotheses purely from a set of provided datasets?

Code Generation Sociology

DISCOVERYWORLD: A Virtual Environment for Developing and Evaluating Automated Scientific Discovery Agents

1 code implementation10 Jun 2024 Peter Jansen, Marc-Alexandre Côté, Tushar Khot, Erin Bransom, Bhavana Dalvi Mishra, Bodhisattwa Prasad Majumder, Oyvind Tafjord, Peter Clark

However, developing and evaluating an AI agent's capacity for end-to-end scientific reasoning is challenging as running real-world experiments is often prohibitively expensive or infeasible.

Benchmarking scientific discovery

Husky: A Unified, Open-Source Language Agent for Multi-Step Reasoning

1 code implementation10 Jun 2024 Joongwon Kim, Bhargavi Paranjape, Tushar Khot, Hannaneh Hajishirzi

Despite using 7B models, Husky matches or even exceeds frontier LMs such as GPT-4 on these tasks, showcasing the efficacy of our holistic approach in addressing complex reasoning problems.

Multi-hop Question Answering Question Answering

ADaPT: As-Needed Decomposition and Planning with Language Models

1 code implementation8 Nov 2023 Archiki Prasad, Alexander Koller, Mareike Hartmann, Peter Clark, Ashish Sabharwal, Mohit Bansal, Tushar Khot

Large Language Models (LLMs) are increasingly being used for interactive decision-making tasks requiring planning and adapting to the environment.

Decision Making

Bias Runs Deep: Implicit Reasoning Biases in Persona-Assigned LLMs

1 code implementation8 Nov 2023 Shashank Gupta, Vaishnavi Shrivastava, Ameet Deshpande, Ashwin Kalyan, Peter Clark, Ashish Sabharwal, Tushar Khot

Our experiments with ChatGPT-3. 5 show that this bias is ubiquitous - 80% of our personas demonstrate bias; it is significant - some datasets show performance drops of 70%+; and can be especially harmful for certain groups - some personas suffer statistically significant drops on 80%+ of the datasets.

Fairness Math

SynerGPT: In-Context Learning for Personalized Drug Synergy Prediction and Drug Design

no code implementations19 Jun 2023 Carl Edwards, Aakanksha Naik, Tushar Khot, Martin Burke, Heng Ji, Tom Hope

We are given a small "personalized dataset" of 10-20 drug synergy relationships in the context of specific cancer cell targets.

In-Context Learning Language Modelling

How Far Can Camels Go? Exploring the State of Instruction Tuning on Open Resources

4 code implementations NeurIPS 2023 Yizhong Wang, Hamish Ivison, Pradeep Dasigi, Jack Hessel, Tushar Khot, Khyathi Raghavi Chandu, David Wadden, Kelsey MacMillan, Noah A. Smith, Iz Beltagy, Hannaneh Hajishirzi

Our evaluations show that the best model in any given evaluation reaches on average 87% of ChatGPT performance, and 73% of GPT-4 performance, suggesting that further investment in building better base models and instruction-tuning data is required to close the gap.

Instruction Following

Chain-of-Thought Hub: A Continuous Effort to Measure Large Language Models' Reasoning Performance

1 code implementation26 May 2023 Yao Fu, Litu Ou, Mingyu Chen, Yuhao Wan, Hao Peng, Tushar Khot

As large language models (LLMs) are continuously being developed, their evaluation becomes increasingly important yet challenging.

Improving Language Model Negotiation with Self-Play and In-Context Learning from AI Feedback

1 code implementation17 May 2023 Yao Fu, Hao Peng, Tushar Khot, Mirella Lapata

We study whether multiple large language models (LLMs) can autonomously improve each other in a negotiation game by playing, reflecting, and criticizing.

In-Context Learning Language Modelling +1

Specializing Smaller Language Models towards Multi-Step Reasoning

2 code implementations30 Jan 2023 Yao Fu, Hao Peng, Litu Ou, Ashish Sabharwal, Tushar Khot

by paying the price of decreased generic ability, we can clearly lift up the scaling curve of models smaller than 10B towards a specialized multi-step math reasoning ability.

Math Model Selection

Interleaving Retrieval with Chain-of-Thought Reasoning for Knowledge-Intensive Multi-Step Questions

2 code implementations20 Dec 2022 Harsh Trivedi, Niranjan Balasubramanian, Tushar Khot, Ashish Sabharwal

While using the question to retrieve relevant text from an external knowledge source helps LLMs, we observe that this one-step retrieve-and-read approach is insufficient for multi-step QA.

Hallucination Question Answering +1

The Tail Wagging the Dog: Dataset Construction Biases of Social Bias Benchmarks

1 code implementation18 Oct 2022 Nikil Roashan Selvam, Sunipa Dev, Daniel Khashabi, Tushar Khot, Kai-Wei Chang

How reliably can we trust the scores obtained from social bias benchmarks as faithful indicators of problematic social biases in a given language model?

Language Modelling

Decomposed Prompting: A Modular Approach for Solving Complex Tasks

1 code implementation5 Oct 2022 Tushar Khot, Harsh Trivedi, Matthew Finlayson, Yao Fu, Kyle Richardson, Peter Clark, Ashish Sabharwal

On symbolic reasoning tasks, we can further decompose sub-tasks that are hard for LLMs into even simpler solvable sub-tasks.

Information Retrieval Retrieval

Complexity-Based Prompting for Multi-Step Reasoning

no code implementations3 Oct 2022 Yao Fu, Hao Peng, Ashish Sabharwal, Peter Clark, Tushar Khot

In this work, we propose complexity-based prompting, a simple and effective example selection scheme for multi-step reasoning.

Date Understanding GSM8K +2

Beyond the Imitation Game: Quantifying and extrapolating the capabilities of language models

4 code implementations9 Jun 2022 Aarohi Srivastava, Abhinav Rastogi, Abhishek Rao, Abu Awal Md Shoeb, Abubakar Abid, Adam Fisch, Adam R. Brown, Adam Santoro, Aditya Gupta, Adrià Garriga-Alonso, Agnieszka Kluska, Aitor Lewkowycz, Akshat Agarwal, Alethea Power, Alex Ray, Alex Warstadt, Alexander W. Kocurek, Ali Safaya, Ali Tazarv, Alice Xiang, Alicia Parrish, Allen Nie, Aman Hussain, Amanda Askell, Amanda Dsouza, Ambrose Slone, Ameet Rahane, Anantharaman S. Iyer, Anders Andreassen, Andrea Madotto, Andrea Santilli, Andreas Stuhlmüller, Andrew Dai, Andrew La, Andrew Lampinen, Andy Zou, Angela Jiang, Angelica Chen, Anh Vuong, Animesh Gupta, Anna Gottardi, Antonio Norelli, Anu Venkatesh, Arash Gholamidavoodi, Arfa Tabassum, Arul Menezes, Arun Kirubarajan, Asher Mullokandov, Ashish Sabharwal, Austin Herrick, Avia Efrat, Aykut Erdem, Ayla Karakaş, B. Ryan Roberts, Bao Sheng Loe, Barret Zoph, Bartłomiej Bojanowski, Batuhan Özyurt, Behnam Hedayatnia, Behnam Neyshabur, Benjamin Inden, Benno Stein, Berk Ekmekci, Bill Yuchen Lin, Blake Howald, Bryan Orinion, Cameron Diao, Cameron Dour, Catherine Stinson, Cedrick Argueta, César Ferri Ramírez, Chandan Singh, Charles Rathkopf, Chenlin Meng, Chitta Baral, Chiyu Wu, Chris Callison-Burch, Chris Waites, Christian Voigt, Christopher D. Manning, Christopher Potts, Cindy Ramirez, Clara E. Rivera, Clemencia Siro, Colin Raffel, Courtney Ashcraft, Cristina Garbacea, Damien Sileo, Dan Garrette, Dan Hendrycks, Dan Kilman, Dan Roth, Daniel Freeman, Daniel Khashabi, Daniel Levy, Daniel Moseguí González, Danielle Perszyk, Danny Hernandez, Danqi Chen, Daphne Ippolito, Dar Gilboa, David Dohan, David Drakard, David Jurgens, Debajyoti Datta, Deep Ganguli, Denis Emelin, Denis Kleyko, Deniz Yuret, Derek Chen, Derek Tam, Dieuwke Hupkes, Diganta Misra, Dilyar Buzan, Dimitri Coelho Mollo, Diyi Yang, Dong-Ho Lee, Dylan Schrader, Ekaterina Shutova, Ekin Dogus Cubuk, Elad Segal, Eleanor Hagerman, Elizabeth Barnes, Elizabeth Donoway, Ellie Pavlick, Emanuele Rodola, Emma Lam, Eric Chu, Eric Tang, Erkut Erdem, Ernie Chang, Ethan A. Chi, Ethan Dyer, Ethan Jerzak, Ethan Kim, Eunice Engefu Manyasi, Evgenii Zheltonozhskii, Fanyue Xia, Fatemeh Siar, Fernando Martínez-Plumed, Francesca Happé, Francois Chollet, Frieda Rong, Gaurav Mishra, Genta Indra Winata, Gerard de Melo, Germán Kruszewski, Giambattista Parascandolo, Giorgio Mariani, Gloria Wang, Gonzalo Jaimovitch-López, Gregor Betz, Guy Gur-Ari, Hana Galijasevic, Hannah Kim, Hannah Rashkin, Hannaneh Hajishirzi, Harsh Mehta, Hayden Bogar, Henry Shevlin, Hinrich Schütze, Hiromu Yakura, Hongming Zhang, Hugh Mee Wong, Ian Ng, Isaac Noble, Jaap Jumelet, Jack Geissinger, Jackson Kernion, Jacob Hilton, Jaehoon Lee, Jaime Fernández Fisac, James B. Simon, James Koppel, James Zheng, James Zou, Jan Kocoń, Jana Thompson, Janelle Wingfield, Jared Kaplan, Jarema Radom, Jascha Sohl-Dickstein, Jason Phang, Jason Wei, Jason Yosinski, Jekaterina Novikova, Jelle Bosscher, Jennifer Marsh, Jeremy Kim, Jeroen Taal, Jesse Engel, Jesujoba Alabi, Jiacheng Xu, Jiaming Song, Jillian Tang, Joan Waweru, John Burden, John Miller, John U. Balis, Jonathan Batchelder, Jonathan Berant, Jörg Frohberg, Jos Rozen, Jose Hernandez-Orallo, Joseph Boudeman, Joseph Guerr, Joseph Jones, Joshua B. Tenenbaum, Joshua S. Rule, Joyce Chua, Kamil Kanclerz, Karen Livescu, Karl Krauth, Karthik Gopalakrishnan, Katerina Ignatyeva, Katja Markert, Kaustubh D. Dhole, Kevin Gimpel, Kevin Omondi, Kory Mathewson, Kristen Chiafullo, Ksenia Shkaruta, Kumar Shridhar, Kyle McDonell, Kyle Richardson, Laria Reynolds, Leo Gao, Li Zhang, Liam Dugan, Lianhui Qin, Lidia Contreras-Ochando, Louis-Philippe Morency, Luca Moschella, Lucas Lam, Lucy Noble, Ludwig Schmidt, Luheng He, Luis Oliveros Colón, Luke Metz, Lütfi Kerem Şenel, Maarten Bosma, Maarten Sap, Maartje ter Hoeve, Maheen Farooqi, Manaal Faruqui, Mantas Mazeika, Marco Baturan, Marco Marelli, Marco Maru, Maria Jose Ramírez Quintana, Marie Tolkiehn, Mario Giulianelli, Martha Lewis, Martin Potthast, Matthew L. Leavitt, Matthias Hagen, Mátyás Schubert, Medina Orduna Baitemirova, Melody Arnaud, Melvin McElrath, Michael A. Yee, Michael Cohen, Michael Gu, Michael Ivanitskiy, Michael Starritt, Michael Strube, Michał Swędrowski, Michele Bevilacqua, Michihiro Yasunaga, Mihir Kale, Mike Cain, Mimee Xu, Mirac Suzgun, Mitch Walker, Mo Tiwari, Mohit Bansal, Moin Aminnaseri, Mor Geva, Mozhdeh Gheini, Mukund Varma T, Nanyun Peng, Nathan A. Chi, Nayeon Lee, Neta Gur-Ari Krakover, Nicholas Cameron, Nicholas Roberts, Nick Doiron, Nicole Martinez, Nikita Nangia, Niklas Deckers, Niklas Muennighoff, Nitish Shirish Keskar, Niveditha S. Iyer, Noah Constant, Noah Fiedel, Nuan Wen, Oliver Zhang, Omar Agha, Omar Elbaghdadi, Omer Levy, Owain Evans, Pablo Antonio Moreno Casares, Parth Doshi, Pascale Fung, Paul Pu Liang, Paul Vicol, Pegah Alipoormolabashi, Peiyuan Liao, Percy Liang, Peter Chang, Peter Eckersley, Phu Mon Htut, Pinyu Hwang, Piotr Miłkowski, Piyush Patil, Pouya Pezeshkpour, Priti Oli, Qiaozhu Mei, Qing Lyu, Qinlang Chen, Rabin Banjade, Rachel Etta Rudolph, Raefer Gabriel, Rahel Habacker, Ramon Risco, Raphaël Millière, Rhythm Garg, Richard Barnes, Rif A. Saurous, Riku Arakawa, Robbe Raymaekers, Robert Frank, Rohan Sikand, Roman Novak, Roman Sitelew, Ronan LeBras, Rosanne Liu, Rowan Jacobs, Rui Zhang, Ruslan Salakhutdinov, Ryan Chi, Ryan Lee, Ryan Stovall, Ryan Teehan, Rylan Yang, Sahib Singh, Saif M. Mohammad, Sajant Anand, Sam Dillavou, Sam Shleifer, Sam Wiseman, Samuel Gruetter, Samuel R. Bowman, Samuel S. Schoenholz, Sanghyun Han, Sanjeev Kwatra, Sarah A. Rous, Sarik Ghazarian, Sayan Ghosh, Sean Casey, Sebastian Bischoff, Sebastian Gehrmann, Sebastian Schuster, Sepideh Sadeghi, Shadi Hamdan, Sharon Zhou, Shashank Srivastava, Sherry Shi, Shikhar Singh, Shima Asaadi, Shixiang Shane Gu, Shubh Pachchigar, Shubham Toshniwal, Shyam Upadhyay, Shyamolima, Debnath, Siamak Shakeri, Simon Thormeyer, Simone Melzi, Siva Reddy, Sneha Priscilla Makini, Soo-Hwan Lee, Spencer Torene, Sriharsha Hatwar, Stanislas Dehaene, Stefan Divic, Stefano Ermon, Stella Biderman, Stephanie Lin, Stephen Prasad, Steven T. Piantadosi, Stuart M. Shieber, Summer Misherghi, Svetlana Kiritchenko, Swaroop Mishra, Tal Linzen, Tal Schuster, Tao Li, Tao Yu, Tariq Ali, Tatsu Hashimoto, Te-Lin Wu, Théo Desbordes, Theodore Rothschild, Thomas Phan, Tianle Wang, Tiberius Nkinyili, Timo Schick, Timofei Kornev, Titus Tunduny, Tobias Gerstenberg, Trenton Chang, Trishala Neeraj, Tushar Khot, Tyler Shultz, Uri Shaham, Vedant Misra, Vera Demberg, Victoria Nyamai, Vikas Raunak, Vinay Ramasesh, Vinay Uday Prabhu, Vishakh Padmakumar, Vivek Srikumar, William Fedus, William Saunders, William Zhang, Wout Vossen, Xiang Ren, Xiaoyu Tong, Xinran Zhao, Xinyi Wu, Xudong Shen, Yadollah Yaghoobzadeh, Yair Lakretz, Yangqiu Song, Yasaman Bahri, Yejin Choi, Yichi Yang, Yiding Hao, Yifu Chen, Yonatan Belinkov, Yu Hou, Yufang Hou, Yuntao Bai, Zachary Seid, Zhuoye Zhao, Zijian Wang, Zijie J. Wang, ZiRui Wang, Ziyi Wu

BIG-bench focuses on tasks that are believed to be beyond the capabilities of current language models.

Common Sense Reasoning Math +1

Teaching Broad Reasoning Skills for Multi-Step QA by Generating Hard Contexts

1 code implementation25 May 2022 Harsh Trivedi, Niranjan Balasubramanian, Tushar Khot, Ashish Sabharwal

We show how to use question decompositions to teach language models these broad reasoning skills in a robust fashion.

Question Answering

Better Retrieval May Not Lead to Better Question Answering

no code implementations7 May 2022 Zhengzhong Liang, Tushar Khot, Steven Bethard, Mihai Surdeanu, Ashish Sabharwal

Considerable progress has been made recently in open-domain question answering (QA) problems, which require Information Retrieval (IR) and Reading Comprehension (RC).

Information Retrieval Open-Domain Question Answering +3

Hey AI, Can You Solve Complex Tasks by Talking to Agents?

1 code implementation Findings (ACL) 2022 Tushar Khot, Kyle Richardson, Daniel Khashabi, Ashish Sabharwal

To help develop models that can leverage existing systems, we propose a new challenge: Learning to solve complex tasks by communicating with existing agents (or models) in natural language.

MuSiQue: Multihop Questions via Single-hop Question Composition

2 code implementations2 Aug 2021 Harsh Trivedi, Niranjan Balasubramanian, Tushar Khot, Ashish Sabharwal

Multihop reasoning remains an elusive goal as existing multihop benchmarks are known to be largely solvable via shortcuts.

Multi-hop Question Answering Question Answering

Ethical-Advice Taker: Do Language Models Understand Natural Language Interventions?

1 code implementation Findings (ACL) 2021 Jieyu Zhao, Daniel Khashabi, Tushar Khot, Ashish Sabharwal, Kai-Wei Chang

We investigate the effectiveness of natural language interventions for reading-comprehension systems, studying this in the context of social stereotypes.

Ethics Few-Shot Learning +2

Did Aristotle Use a Laptop? A Question Answering Benchmark with Implicit Reasoning Strategies

1 code implementation6 Jan 2021 Mor Geva, Daniel Khashabi, Elad Segal, Tushar Khot, Dan Roth, Jonathan Berant

A key limitation in current datasets for multi-hop reasoning is that the required steps for answering the question are mentioned in it explicitly.

Question Answering StrategyQA

IIRC: A Dataset of Incomplete Information Reading Comprehension Questions

no code implementations EMNLP 2020 James Ferguson, Matt Gardner, Hannaneh Hajishirzi, Tushar Khot, Pradeep Dasigi

However, most existing reading comprehension (RC) tasks only focus on questions for which the contexts provide all the information required to answer them, thus not evaluating a system's performance at identifying a potential lack of sufficient information and locating sources for that information.

Reading Comprehension

ReadOnce Transformers: Reusable Representations of Text for Transformers

no code implementations ACL 2021 Shih-ting Lin, Ashish Sabharwal, Tushar Khot

We present ReadOnce Transformers, an approach to convert a transformer-based model into one that can build an information-capturing, task-independent, and compressed representation of text.

Document Summarization

Temporal Reasoning on Implicit Events from Distant Supervision

no code implementations NAACL 2021 Ben Zhou, Kyle Richardson, Qiang Ning, Tushar Khot, Ashish Sabharwal, Dan Roth

We propose TRACIE, a novel temporal reasoning dataset that evaluates the degree to which systems understand implicit events -- events that are not mentioned explicitly in natural language text but can be inferred from it.

Natural Language Inference

UnQovering Stereotyping Biases via Underspecified Questions

1 code implementation Findings of the Association for Computational Linguistics 2020 Tao Li, Tushar Khot, Daniel Khashabi, Ashish Sabharwal, Vivek Srikumar

Our broad study reveals that (1) all these models, with and without fine-tuning, have notable stereotyping biases in these classes; (2) larger models often have higher bias; and (3) the effect of fine-tuning on bias varies strongly with the dataset and the model size.

Question Answering

Text Modular Networks: Learning to Decompose Tasks in the Language of Existing Models

1 code implementation NAACL 2021 Tushar Khot, Daniel Khashabi, Kyle Richardson, Peter Clark, Ashish Sabharwal

We propose a general framework called Text Modular Networks(TMNs) for building interpretable systems that learn to solve complex tasks by decomposing them into simpler ones solvable by existing models.

Question Answering

Is Multihop QA in DiRe Condition? Measuring and Reducing Disconnected Reasoning

1 code implementation EMNLP 2020 Harsh Trivedi, Niranjan Balasubramanian, Tushar Khot, Ashish Sabharwal

For a recent large-scale model (XLNet), we show that only 18 points out of its answer F1 score of 72 on HotpotQA are obtained through multifact reasoning, roughly the same as that of a simpler RNN baseline.

Multi-hop Question Answering Question Answering +1

A Simple Yet Strong Pipeline for HotpotQA

no code implementations EMNLP 2020 Dirk Groeneveld, Tushar Khot, Mausam, Ashish Sabharwal

State-of-the-art models for multi-hop question answering typically augment large-scale language models like BERT with additional, intuitively useful capabilities such as named entity recognition, graph-based reasoning, and question decomposition.

Multi-hop Question Answering named-entity-recognition +4

More Bang for Your Buck: Natural Perturbation for Robust Question Answering

no code implementations EMNLP 2020 Daniel Khashabi, Tushar Khot, Ashish Sabharwal

While recent models have achieved human-level scores on many NLP datasets, we observe that they are considerably sensitive to small changes in input.

Question Answering

From 'F' to 'A' on the N.Y. Regents Science Exams: An Overview of the Aristo Project

no code implementations4 Sep 2019 Peter Clark, Oren Etzioni, Daniel Khashabi, Tushar Khot, Bhavana Dalvi Mishra, Kyle Richardson, Ashish Sabharwal, Carissa Schoenick, Oyvind Tafjord, Niket Tandon, Sumithra Bhakthavatsalam, Dirk Groeneveld, Michal Guerquin, Michael Schmitz

This paper reports unprecedented success on the Grade 8 New York Regents Science Exam, where for the first time a system scores more than 90% on the exam's non-diagram, multiple choice (NDMC) questions.

Multiple-choice Question Answering

Question Answering as Global Reasoning over Semantic Abstractions

1 code implementation9 Jun 2019 Daniel Khashabi, Tushar Khot, Ashish Sabharwal, Dan Roth

We propose a novel method for exploiting the semantic structure of text to answer multiple-choice questions.

Information Retrieval Multiple-choice +2

On the Possibilities and Limitations of Multi-hop Reasoning Under Linguistic Imperfections

no code implementations8 Jan 2019 Daniel Khashabi, Erfan Sadeqi Azer, Tushar Khot, Ashish Sabharwal, Dan Roth

The idea is to consider two interrelated spaces: a conceptual meaning space that is unambiguous and complete but hidden, and a linguistic space that captures a noisy grounding of the meaning space in the words of a language---the level at which all systems, whether neural or symbolic, operate.

Exploiting Explicit Paths for Multi-hop Reading Comprehension

1 code implementation ACL 2019 Souvik Kundu, Tushar Khot, Ashish Sabharwal, Peter Clark

To capture additional context, PathNet also composes the passage representations along each path to compute a passage-based representation.

Implicit Relations Knowledge Graphs +1

Can a Suit of Armor Conduct Electricity? A New Dataset for Open Book Question Answering

1 code implementation EMNLP 2018 Todor Mihaylov, Peter Clark, Tushar Khot, Ashish Sabharwal

Our oracle experiments designed to circumvent the knowledge retrieval bottleneck demonstrate the value of both the open book and additional facts.

Question Answering Retrieval

Bridging Knowledge Gaps in Neural Entailment via Symbolic Models

no code implementations EMNLP 2018 Dongyeop Kang, Tushar Khot, Ashish Sabharwal, Peter Clark

We focus on filling these knowledge gaps in the Science Entailment task, by leveraging an external structured knowledge base (KB) of science facts.

Natural Language Inference

AdvEntuRe: Adversarial Training for Textual Entailment with Knowledge-Guided Examples

1 code implementation ACL 2018 Dongyeop Kang, Tushar Khot, Ashish Sabharwal, Eduard Hovy

We consider the problem of learning textual entailment models with limited supervision (5K-10K training examples), and present two complementary approaches for it.

Natural Language Inference Negation

Learning What is Essential in Questions

1 code implementation CONLL 2017 Daniel Khashabi, Tushar Khot, Ashish Sabharwal, Dan Roth

Question answering (QA) systems are easily distracted by irrelevant or redundant words in questions, especially when faced with long or multi-sentence questions in difficult domains.

Information Retrieval Question Answering +2

Answering Complex Questions Using Open Information Extraction

1 code implementation ACL 2017 Tushar Khot, Ashish Sabharwal, Peter Clark

While there has been substantial progress in factoid question-answering (QA), answering complex questions remains challenging, typically requiring both a large body of knowledge and inference techniques.

Open Information Extraction Question Answering +1

Question Answering via Integer Programming over Semi-Structured Knowledge

no code implementations20 Apr 2016 Daniel Khashabi, Tushar Khot, Ashish Sabharwal, Peter Clark, Oren Etzioni, Dan Roth

We propose a structured inference system for this task, formulated as an Integer Linear Program (ILP), that answers natural language questions using a semi-structured knowledge base derived from text, including questions requiring multi-step inference and a combination of multiple facts.

Information Retrieval Question Answering +1

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