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Search Result Explanation (SeRE) aims to improve search sessions' effectiveness and efficiency by helping users interpret documents' relevance. Existing works mostly focus on factual explanation, i.e. to find/generate supporting evidence…

Information Retrieval · Computer Science 2024-07-02 Zhichao Xu , Hemank Lamba , Qingyao Ai , Joel Tetreault , Alex Jaimes

Recently, contrastive learning has been shown to be effective in improving pre-trained language models (PLM) to derive high-quality sentence representations. It aims to pull close positive examples to enhance the alignment while push apart…

Computation and Language · Computer Science 2022-05-03 Kun Zhou , Beichen Zhang , Wayne Xin Zhao , Ji-Rong Wen

As AI systems become more embedded in everyday life, the development of fair and unbiased models becomes more critical. Considering the social impact of AI systems is not merely a technical challenge but a moral imperative. As evidenced in…

Machine Learning · Computer Science 2025-10-03 Aida Tayebi , Ali Khodabandeh Yalabadi , Mehdi Yazdani-Jahromi , Ozlem Ozmen Garibay

Real-world fact verification task aims to verify the factuality of a claim by retrieving evidence from the source document. The quality of the retrieved evidence plays an important role in claim verification. Ideally, the retrieved evidence…

Computation and Language · Computer Science 2023-05-08 Xuming Hu , Zhaochen Hong , Zhijiang Guo , Lijie Wen , Philip S. Yu

We present the results of the first Fact Extraction and VERification (FEVER) Shared Task. The task challenged participants to classify whether human-written factoid claims could be Supported or Refuted using evidence retrieved from…

Computation and Language · Computer Science 2018-12-03 James Thorne , Andreas Vlachos , Oana Cocarascu , Christos Christodoulopoulos , Arpit Mittal

Contrastive learning is a popular form of self-supervised learning that encourages augmentations (views) of the same input to have more similar representations compared to augmentations of different inputs. Recent attempts to theoretically…

Machine Learning · Computer Science 2022-03-01 Nikunj Saunshi , Jordan Ash , Surbhi Goel , Dipendra Misra , Cyril Zhang , Sanjeev Arora , Sham Kakade , Akshay Krishnamurthy

The use of machine learning models in high-stake applications (e.g., healthcare, lending, college admission) has raised growing concerns due to potential biases against protected social groups. Various fairness notions and methods have been…

Machine Learning · Computer Science 2023-11-10 Zhiqun Zuo , Mohammad Mahdi Khalili , Xueru Zhang

Exponential growth in digital information outlets and the race to publish has made scientific misinformation more prevalent than ever. However, the task to fact-verify a given scientific claim is not straightforward even for researchers.…

Computation and Language · Computer Science 2022-04-19 Ashish Rana , Deepanshu Khanna , Tirthankar Ghosal , Muskaan Singh , Harpreet Singh , Prashant Singh Rana

Fairness-aware recommendation eliminates discrimination issues to build trustworthy recommendation systems.Explaining the causes of unfair recommendations is critical, as it promotes fairness diagnostics, and thus secures users' trust in…

Information Retrieval · Computer Science 2023-07-11 Xiangmeng Wang , Qian Li , Dianer Yu , Qing Li , Guandong Xu

Pseudo-relevance feedback (PRF) can enhance average retrieval effectiveness over a sufficiently large number of queries. However, PRF often introduces a drift into the original information need, thus hurting the retrieval effectiveness of…

Information Retrieval · Computer Science 2024-01-23 Suchana Datta , Debasis Ganguly , Sean MacAvaney , Derek Greene

Attribution and fact verification are critical challenges in natural language processing for assessing information reliability. While automated systems and Large Language Models (LLMs) aim to retrieve and select concise evidence to support…

Computation and Language · Computer Science 2026-01-30 Guy Alt , Eran Hirsch , Serwar Basch , Ido Dagan , Oren Glickman

Automated fact-checking (AFC) is garnering increasing attention by researchers aiming to help fact-checkers combat the increasing spread of misinformation online. While many existing AFC methods incorporate external information from the Web…

Computation and Language · Computer Science 2024-05-01 Zacharias Chrysidis , Stefanos-Iordanis Papadopoulos , Symeon Papadopoulos , Panagiotis C. Petrantonakis

Fact verification aims to automatically probe the veracity of a claim based on several pieces of evidence. Existing works are always engaging in accuracy improvement, let alone explainability, a critical capability of fact verification…

Artificial Intelligence · Computer Science 2024-06-17 Huanhuan Ma , Weizhi Xu , Yifan Wei , Liuji Chen , Liang Wang , Qiang Liu , Shu Wu , Liang Wang

Applying reinforcement learning to improve factual accuracy in knowledge-intensive question answering faces a reward design dilemma. Response-level rewards provide only coarse supervision and cannot distinguish correct from incorrect…

Computation and Language · Computer Science 2026-05-29 Shicheng Fan , Haochang Hao , Dehai Min , Weihao Liu , Philip S. Yu , Lu Cheng

Self-supervised representation learning has made significant leaps fueled by progress in contrastive learning, which seeks to learn transformations that embed positive input pairs nearby, while pushing negative pairs far apart. While…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Tri Huynh , Simon Kornblith , Matthew R. Walter , Michael Maire , Maryam Khademi

By providing explanations for users and system designers to facilitate better understanding and decision making, explainable recommendation has been an important research problem. In this paper, we propose Counterfactual Explainable…

Information Retrieval · Computer Science 2023-02-21 Juntao Tan , Shuyuan Xu , Yingqiang Ge , Yunqi Li , Xu Chen , Yongfeng Zhang

Commit Classification (CC) is an important task in software maintenance, which helps software developers classify code changes into different types according to their nature and purpose. It allows developers to understand better how their…

Software Engineering · Computer Science 2023-08-17 Jiajun Tong , Zhixiao Wang , Xiaobin Rui

Radiology reports are unstructured and contain the imaging findings and corresponding diagnoses transcribed by radiologists which include clinical facts and negated and/or uncertain statements. Extracting pathologic findings and diagnoses…

Machine Learning · Computer Science 2021-11-22 Ajay Jaiswal , Liyan Tang , Meheli Ghosh , Justin Rousseau , Yifan Peng , Ying Ding

A key component of fact verification is thevevidence retrieval, often from multiple documents. Recent approaches use dense representations and condition the retrieval of each document on the previously retrieved ones. The latter step is…

Computation and Language · Computer Science 2022-12-13 Rami Aly , Andreas Vlachos

Counterfactual explanations focus on "actionable knowledge" to help end-users understand how a machine learning outcome could be changed to a more desirable outcome. For this purpose a counterfactual explainer needs to discover input…

Machine Learning · Computer Science 2021-09-14 Nirmalie Wiratunga , Anjana Wijekoon , Ikechukwu Nkisi-Orji , Kyle Martin , Chamath Palihawadana , David Corsar