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Multi-hop question answering (QA) is widely used to evaluate the reasoning capabilities of large language models, yet most benchmarks focus on final answer correctness and overlook intermediate reasoning, especially in long multimodal…

计算与语言 · 计算机科学 2026-03-10 Biao Xiang , Soyeon Caren Han , Yihao Ding

Healthcare question answering assistance aims to provide customer healthcare information, which widely appears in both Web and mobile Internet. The questions usually require the assistance to have proficient healthcare background knowledge…

人工智能 · 计算机科学 2020-09-29 Ye Liu , Shaika Chowdhury , Chenwei Zhang , Cornelia Caragea , Philip S. Yu

Retrieval question answering (ReQA) is the task of retrieving a sentence-level answer to a question from an open corpus (Ahmad et al.,2019).This paper presents MultiReQA, anew multi-domain ReQA evaluation suite com-posed of eight retrieval…

计算与语言 · 计算机科学 2020-05-07 Mandy Guo , Yinfei Yang , Daniel Cer , Qinlan Shen , Noah Constant

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…

计算与语言 · 计算机科学 2023-01-24 Wenhu Chen , Pat Verga , Michiel de Jong , John Wieting , William Cohen

In this paper, we propose a new paradigm for the task of entity-relation extraction. We cast the task as a multi-turn question answering problem, i.e., the extraction of entities and relations is transformed to the task of identifying…

计算与语言 · 计算机科学 2019-09-05 Xiaoya Li , Fan Yin , Zijun Sun , Xiayu Li , Arianna Yuan , Duo Chai , Mingxin Zhou , Jiwei Li

Researchers produce thousands of scholarly documents containing valuable technical knowledge. The community faces the laborious task of reading these documents to identify, extract, and synthesize information. To automate information…

计算与语言 · 计算机科学 2023-12-13 Tavish McDonald , Brian Tsan , Amar Saini , Juanita Ordonez , Luis Gutierrez , Phan Nguyen , Blake Mason , Brenda Ng

Exemplification is a process by which writers explain or clarify a concept by providing an example. While common in all forms of writing, exemplification is particularly useful in the task of long-form question answering (LFQA), where a…

计算与语言 · 计算机科学 2022-05-20 Shufan Wang , Fangyuan Xu , Laure Thompson , Eunsol Choi , Mohit Iyyer

The question answering system can answer questions from various fields and forms with deep neural networks, but it still lacks effective ways when facing multiple evidences. We introduce a new model called SRQA, which means Synthetic Reader…

计算与语言 · 计算机科学 2020-09-04 Jiuniu Wang , Wenjia Xu , Xingyu Fu , Yang Wei , Li Jin , Ziyan Chen , Guangluan Xu , Yirong Wu

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…

计算与语言 · 计算机科学 2023-10-12 Liangming Pan , Xinyuan Lu , Min-Yen Kan , Preslav Nakov

Multi-hop Knowledge Base Question Answering (KBQA) aims to find the answer entities that are multiple hops away in the Knowledge Base (KB) from the entities in the question. A major challenge is the lack of supervision signals at…

计算与语言 · 计算机科学 2021-04-08 Gaole He , Yunshi Lan , Jing Jiang , Wayne Xin Zhao , Ji-Rong Wen

In today's fast-paced industry, professionals face the challenge of summarizing a large number of documents and extracting vital information from them on a daily basis. These metrics are frequently hidden away in tables and/or their nested…

计算与语言 · 计算机科学 2024-03-29 Che Guan , Mengyu Huang , Peng Zhang

Question-driven summarization has been recently studied as an effective approach to summarizing the source document to produce concise but informative answers for non-factoid questions. In this work, we propose a novel question-driven…

计算与语言 · 计算机科学 2020-10-09 Yang Deng , Wenxuan Zhang , Wai Lam

Question Answering (QA) tasks requiring information from multiple documents often rely on a retrieval model to identify relevant information for reasoning. The retrieval model is typically trained to maximize the likelihood of the labeled…

计算与语言 · 计算机科学 2021-09-10 Ansong Ni , Matt Gardner , Pradeep Dasigi

Recent generative approaches for multi-hop question answering (QA) utilize the fusion-in-decoder method~\cite{izacard-grave-2021-leveraging} to generate a single sequence output which includes both a final answer and a reasoning path taken…

计算与语言 · 计算机科学 2023-07-04 Gowtham Ramesh , Makesh Sreedhar , Junjie Hu

Retrieving information from correlative paragraphs or documents to answer open-domain multi-hop questions is very challenging. To deal with this challenge, most of the existing works consider paragraphs as nodes in a graph and propose…

计算与语言 · 计算机科学 2021-02-09 Nan Shao , Yiming Cui , Ting Liu , Shijin Wang , Guoping Hu

Recent work on Event Extraction has reframed the task as Question Answering (QA), with promising results. The advantage of this approach is that it addresses the error propagation issue found in traditional token-based classification…

计算与语言 · 计算机科学 2023-07-13 Di Lu , Shihao Ran , Joel Tetreault , Alejandro Jaimes

This paper presents a novel framework for reconstructing multi-hop explanations in science Question Answering (QA). While existing approaches for multi-hop reasoning build explanations considering each question in isolation, we propose a…

人工智能 · 计算机科学 2021-02-11 Marco Valentino , Mokanarangan Thayaparan , André Freitas

Emotion cause extraction aims to identify the reasons behind a certain emotion expressed in text. It is a much more difficult task compared to emotion classification. Inspired by recent advances in using deep memory networks for question…

计算与语言 · 计算机科学 2017-09-26 Lin Gui , Jiannan Hu , Yulan He , Ruifeng Xu , Qin Lu , Jiachen Du

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 (Open…

人工智能 · 计算机科学 2017-04-20 Tushar Khot , Ashish Sabharwal , Peter Clark

Retrieval-augmented generation (RAG) can supplement large language models (LLMs) by integrating external knowledge. However, as the number of retrieved documents increases, the input length to LLMs grows linearly, causing a dramatic…

计算与语言 · 计算机科学 2025-02-18 Yuankai Li , Jia-Chen Gu , Di Wu , Kai-Wei Chang , Nanyun Peng