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Related papers: Performance Prediction for Multi-hop Questions

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Multi-hop question answering (QA) necessitates multi-step reasoning and retrieval across interconnected subjects, attributes, and relations. Existing retrieval-augmented generation (RAG) methods struggle to capture these structural…

Computation and Language · Computer Science 2026-02-19 Jimeng Shi , Wei Hu , Runchu Tian , Bowen Jin , Wonbin Kweon , SeongKu Kang , Yunfan Kang , Dingqi Ye , Sizhe Zhou , Shaowen Wang , Jiawei Han

This work deals with the challenge of learning and reasoning over multi-modal multi-hop question answering (QA). We propose a graph reasoning network based on the semantic structure of the sentences to learn multi-source reasoning paths and…

Computation and Language · Computer Science 2025-01-09 Navya Yarrabelly , Saloni Mittal

Retrieval augmented language models have recently become the standard for knowledge intensive tasks. Rather than relying purely on latent semantics within the parameters of large neural models, these methods enlist a semi-parametric memory…

Computation and Language · Computer Science 2023-01-24 Wenhu Chen , Pat Verga , Michiel de Jong , John Wieting , William Cohen

Multi-hop reasoning over financial disclosures is often a retrieval problem before it becomes a reasoning or generation problem: relevant facts are dispersed across sections, filings, companies, and years, and LLMs often expend excessive…

Computational Finance · Quantitative Finance 2025-10-06 Abhinav Arun , Reetu Raj Harsh , Bhaskarjit Sarmah , Stefano Pasquali

Generative question answering (QA) models generate answers to questions either solely based on the parameters of the model (the closed-book setting) or additionally retrieving relevant evidence (the open-book setting). Generative QA models…

Computation and Language · Computer Science 2022-10-11 Zhengbao Jiang , Jun Araki , Haibo Ding , Graham Neubig

Evaluating large language models (LLMs) in the biomedical domain requires benchmarks that can distinguish reasoning from pattern matching and remain discriminative as model capabilities improve. Existing biomedical question answering (QA)…

Recent years have witnessed impressive advances in challenging multi-hop QA tasks. However, these QA models may fail when faced with some disturbance in the input text and their interpretability for conducting multi-hop reasoning remains…

Computation and Language · Computer Science 2021-12-20 Jiayu Ding , Siyuan Wang , Qin Chen , Zhongyu Wei

Multihop reasoning remains an elusive goal as existing multihop benchmarks are known to be largely solvable via shortcuts. Can we create a question answering (QA) dataset that, by construction, \emph{requires} proper multihop reasoning? To…

Computation and Language · Computer Science 2022-05-06 Harsh Trivedi , Niranjan Balasubramanian , Tushar Khot , Ashish Sabharwal

Multi-hop Question Answering (QA) necessitates complex reasoning by integrating multiple pieces of information to resolve intricate questions. However, existing QA systems encounter challenges such as outdated information, context window…

Computation and Language · Computer Science 2024-08-23 Xiaoming Zhang , Ming Wang , Xiaocui Yang , Daling Wang , Shi Feng , Yifei Zhang

The task of Question Answering (QA) has attracted significant research interest for long. Its relevance to language understanding and knowledge retrieval tasks, along with the simple setting makes the task of QA crucial for strong AI…

Computation and Language · Computer Science 2024-06-03 Vaibhav Mavi , Anubhav Jangra , Adam Jatowt

Query Performance Prediction (QPP) estimates the effectiveness of a search engine's results in response to a query without relevance judgments. Traditionally, post-retrieval predictors have focused upon either the distribution of the…

Information Retrieval · Computer Science 2023-10-18 Maria Vlachou , Craig Macdonald

Fusion-in-decoder (Fid) (Izacard and Grave, 2020) is a generative question answering (QA) model that leverages passage retrieval with a pre-trained transformer and pushed the state of the art on single-hop QA. However, the complexity of…

Computation and Language · Computer Science 2022-05-20 Semih Yavuz , Kazuma Hashimoto , Yingbo Zhou , Nitish Shirish Keskar , Caiming Xiong

Query Performance Prediction (QPP) estimates retrieval systems effectiveness for a given query, offering valuable insights for search effectiveness and query processing. Despite extensive research, QPPs face critical challenges in…

Information Retrieval · Computer Science 2025-04-03 Adrian-Gabriel Chifu , Sébastien Déjean , Josiane Mothe , Moncef Garouani , Diego Ortiz , Md Zia Ullah

Multi-hop knowledge based question answering (KBQA) is a complex task for natural language understanding. Many KBQA approaches have been proposed in recent years, and most of them are trained based on labeled reasoning path. This hinders…

Machine Learning · Computer Science 2020-05-25 Kechen Qin , Yu Wang , Cheng Li , Kalpa Gunaratna , Hongxia Jin , Virgil Pavlu , Javed A. Aslam

Multi-hop question answering (QA) requires models to retrieve and reason over multiple pieces of evidence. While Retrieval-Augmented Generation (RAG) has made progress in this area, existing methods often suffer from two key limitations:…

Computation and Language · Computer Science 2025-04-01 Yuelyu Ji , Rui Meng , Zhuochun Li , Daqing He

Multi-hop reasoning (MHR) is a process in artificial intelligence and natural language processing where a system needs to make multiple inferential steps to arrive at a conclusion or answer. In the context of knowledge graphs or databases,…

Artificial Intelligence · Computer Science 2024-06-13 Jesmin Jahan Tithi , Fabio Checconi , Fabrizio Petrini

Question Answering (QA) naturally reduces to an entailment problem, namely, verifying whether some text entails the answer to a question. However, for multi-hop QA tasks, which require reasoning with multiple sentences, it remains unclear…

Computation and Language · Computer Science 2019-04-23 Harsh Trivedi , Heeyoung Kwon , Tushar Khot , Ashish Sabharwal , Niranjan Balasubramanian

KBQA is a task that requires to answer questions by using semantic structured information in knowledge base. Previous work in this area has been restricted due to the lack of large semantic parsing dataset and the exponential growth of…

Computation and Language · Computer Science 2022-01-28 Meihao Fan , Lei Zhang , Siyao Xiao , Yuru Liang

Fact-checking real-world claims often requires complex, multi-step reasoning due to the absence of direct evidence to support or refute them. However, existing fact-checking systems often lack transparency in their decision-making, making…

Computation and Language · Computer Science 2023-10-12 Liangming Pan , Xinyuan Lu , Min-Yen Kan , Preslav Nakov

Multi-hop textual question answering requires combining information from multiple sentences. We focus on a natural setting where, unlike typical reading comprehension, only partial information is provided with each question. The model must…

Computation and Language · Computer Science 2019-09-23 Tushar Khot , Ashish Sabharwal , Peter Clark