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Proprietary corporate documents contain rich domain-specific knowledge, but their overwhelming volume and disorganized structure make it difficult even for employees to access the right information when needed. For example, in the…

人工智能 · 计算机科学 2025-08-28 Nayoung Choi , Grace Byun , Andrew Chung , Ellie S. Paek , Shinsun Lee , Jinho D. Choi

We propose a scalable approach to learn video-based question answering (QA): answer a "free-form natural language question" about a video content. Our approach automatically harvests a large number of videos and descriptions freely…

计算机视觉与模式识别 · 计算机科学 2016-12-20 Kuo-Hao Zeng , Tseng-Hung Chen , Ching-Yao Chuang , Yuan-Hong Liao , Juan Carlos Niebles , Min Sun

Despite extensive research on a wide range of question answering (QA) systems, most existing work focuses on answer containment-i.e., assuming that answers can be directly extracted and/or generated from documents in the corpus. However,…

计算与语言 · 计算机科学 2026-02-03 Jamshid Mozafari , Hamed Zamani , Guido Zuccon , Adam Jatowt

We introduce MemSum-DQA, an efficient system for document question answering (DQA) that leverages MemSum, a long document extractive summarizer. By prefixing each text block in the parsed document with the provided question and question…

计算与语言 · 计算机科学 2023-10-11 Nianlong Gu , Yingqiang Gao , Richard H. R. Hahnloser

Finding answers to legal questions about clauses in contracts is an important form of analysis in many legal workflows (e.g., understanding market trends, due diligence, risk mitigation) but more important is being able to do this at scale.…

计算与语言 · 计算机科学 2024-10-18 Adam Roegiest , Radha Chitta

This paper is concerned with open-domain question answering (i.e., OpenQA). Recently, some works have viewed this problem as a reading comprehension (RC) task, and directly applied successful RC models to it. However, the performances of…

计算与语言 · 计算机科学 2019-01-15 Liang Pang , Yanyan Lan , Jiafeng Guo , Jun Xu , Lixin Su , Xueqi Cheng

Question answering (QA) requires accurately aligning user questions with structured queries, a process often limited by the scarcity of high-quality query-natural language (Q-NL) pairs. To overcome this, we present Q-NL Verifier, an…

计算与语言 · 计算机科学 2025-03-04 Tim Schwabe , Louisa Siebel , Patrik Valach , Maribel Acosta

Automatic question answering is an important yet challenging task in E-commerce given the millions of questions posted by users about the product that they are interested in purchasing. Hence, there is a great demand for automatic answer…

计算与语言 · 计算机科学 2025-07-14 Anand A. Rajasekar , Nikesh Garera

Models for reading comprehension (RC) commonly restrict their output space to the set of all single contiguous spans from the input, in order to alleviate the learning problem and avoid the need for a model that generates text explicitly.…

计算与语言 · 计算机科学 2020-10-06 Elad Segal , Avia Efrat , Mor Shoham , Amir Globerson , Jonathan Berant

Several recent works have suggested to represent semantic relations with questions and answers, decomposing textual information into separate interrogative natural language statements. In this paper, we consider three QA-based semantic…

计算与语言 · 计算机科学 2023-02-15 Ayal Klein , Eran Hirsch , Ron Eliav , Valentina Pyatkin , Avi Caciularu , Ido Dagan

We present NewsQs (news-cues), a dataset that provides question-answer pairs for multiple news documents. To create NewsQs, we augment a traditional multi-document summarization dataset with questions automatically generated by a T5-Large…

Instruction tuning improves the performance of large language models (LLMs), but it heavily relies on high-quality training data. Recently, LLMs have been used to synthesize instruction data using seed question-answer (QA) pairs. However,…

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

Retrieval Augmented Generation (RAG) is increasingly being used when building Generative AI applications. Evaluating these applications and RAG pipelines is mostly done manually, via a trial and error process. Automating evaluation of RAG…

计算与语言 · 计算机科学 2024-10-01 Shangeetha Sivasothy , Scott Barnett , Stefanus Kurniawan , Zafaryab Rasool , Rajesh Vasa

Fact-centric question answering (QA) often requires access to multiple, heterogeneous, information sources. By jointly considering several sources like a knowledge base (KB), a text collection, and tables from the web, QA systems can…

信息检索 · 计算机科学 2023-08-22 Philipp Christmann , Rishiraj Saha Roy , Gerhard Weikum

We introduce SciQAG, a novel framework for automatically generating high-quality science question-answer pairs from a large corpus of scientific literature based on large language models (LLMs). SciQAG consists of a QA generator and a QA…

计算与语言 · 计算机科学 2024-07-11 Yuwei Wan , Yixuan Liu , Aswathy Ajith , Clara Grazian , Bram Hoex , Wenjie Zhang , Chunyu Kit , Tong Xie , Ian Foster

Question Answering (QA) systems are used to provide proper responses to users' questions automatically. Sentence matching is an essential task in the QA systems and is usually reformulated as a Paraphrase Identification (PI) problem. Given…

计算与语言 · 计算机科学 2019-11-19 Qiang Huang , Jianhui Bu , Weijian Xie , Shengwen Yang , Weijia Wu , Liping Liu

Question Answering (QA) is a challenging topic since it requires tackling the various difficulties of natural language understanding. Since evaluation is important not only for identifying the strong and weak points of the various…

计算与语言 · 计算机科学 2021-02-09 Katerina Papantoniou , Yannis Tzitzikas

Supervised Question Answering systems (QA systems) rely on domain-specific human-labeled data for training. Unsupervised QA systems generate their own question-answer training pairs, typically using secondary knowledge sources to achieve…

计算与语言 · 计算机科学 2023-02-06 Dinesh Nagumothu , Bahadorreza Ofoghi , Guangyan Huang , Peter W. Eklund

Question Answering (QA) is an important part of tasks like text classification through information gathering. These are finding increasing use in sectors like healthcare, customer support, legal services, etc., to collect and classify…

计算与语言 · 计算机科学 2024-11-12 Priya Mishra , Suraj Racha , Kaustubh Ponkshe , Adit Akarsh , Ganesh Ramakrishnan