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The retriever-reader framework is popular for open-domain question answering (ODQA) due to its ability to use explicit knowledge. Although prior work has sought to increase the knowledge coverage by incorporating structured knowledge beyond…

Computation and Language · Computer Science 2022-03-22 Kaixin Ma , Hao Cheng , Xiaodong Liu , Eric Nyberg , Jianfeng Gao

We present an approach to extract measured information from text (e.g., a 1370 degrees C melting point, a BMI greater than 29.9 kg/m^2 ). Such extractions are critically important across a wide range of domains - especially those involving…

Computation and Language · Computer Science 2015-05-06 Arun S. Maiya , Dale Visser , Andrew Wan

Product review websites provide an incredible lens into the wide variety of opinions and experiences of different people, and play a critical role in helping users discover products that match their personal needs and preferences. To help…

Information Retrieval · Computer Science 2016-10-27 Mengting Wan , Julian McAuley

Resolving knowledge conflicts is a crucial challenge in Question Answering (QA) tasks, as the internet contains numerous conflicting facts and opinions. While some research has made progress in tackling ambiguous settings where multiple…

Computation and Language · Computer Science 2024-10-30 Sagi Shaier , Ari Kobren , Philip Ogren

Large Language Models (LLMs) generalize well across language tasks, but suffer from hallucinations and uninterpretability, making it difficult to assess their accuracy without ground-truth. Retrieval-Augmented Generation (RAG) models have…

Computation and Language · Computer Science 2023-12-18 Jakub Lála , Odhran O'Donoghue , Aleksandar Shtedritski , Sam Cox , Samuel G. Rodriques , Andrew D. White

Extractive question answering (QA) systems can enable physicians and researchers to query medical records, a foundational capability for designing clinical studies and understanding patient medical history. However, building these systems…

Computation and Language · Computer Science 2023-12-07 Joel Stremmel , Ardavan Saeedi , Hamid Hassanzadeh , Sanjit Batra , Jeffrey Hertzberg , Jaime Murillo , Eran Halperin

Multi-hop question answering requires models to gather information from different parts of a text to answer a question. Most current approaches learn to address this task in an end-to-end way with neural networks, without maintaining an…

Computation and Language · Computer Science 2021-06-08 Jifan Chen , Shih-ting Lin , Greg Durrett

Existing knowledge-based question answering systems often rely on small annotated training data. While shallow methods like relation extraction are robust to data scarcity, they are less expressive than the deep meaning representation…

Computation and Language · Computer Science 2016-06-10 Kun Xu , Siva Reddy , Yansong Feng , Songfang Huang , Dongyan Zhao

This paper presents an advancement in Question-Answering (QA) systems using a Retrieval Augmented Generation (RAG) framework to enhance information extraction from PDF files. Recognizing the richness and diversity of data within…

Computation and Language · Computer Science 2026-04-08 Thi Thu Uyen Hoang , Meenakshi Rajendran , Kun Zhang , Yuhan Wu , Viet Anh Nguyen

Retrieval of legal knowledge by the general public is a challenging problem due to the technicality of the professional knowledge and the lack of fundamental understanding by laypersons on the subject. Traditional information retrieval…

Information Retrieval · Computer Science 2025-11-21 Mingruo Yuan , Ben Kao , Tien-Hsuan Wu

This paper presents a scholarly Knowledge Graph Question Answering (KGQA) that answers bibliographic natural language questions by leveraging a large language model (LLM) in a few-shot manner. The model initially identifies the top-n…

Computation and Language · Computer Science 2023-11-17 Tilahun Abedissa Taffa , Ricardo Usbeck

The performance of Open-Domain Question Answering (ODQA) retrieval systems can exhibit sub-optimal behavior, providing text excerpts with varying degrees of irrelevance. Unfortunately, many existing ODQA datasets lack examples specifically…

Computation and Language · Computer Science 2024-03-05 Rustam Abdumalikov , Pasquale Minervini , Yova Kementchedjhieva

Question answering (QA) using textual sources for purposes such as reading comprehension (RC) has attracted much attention. This study focuses on the task of explainable multi-hop QA, which requires the system to return the answer with…

Computation and Language · Computer Science 2019-05-30 Kosuke Nishida , Kyosuke Nishida , Masaaki Nagata , Atsushi Otsuka , Itsumi Saito , Hisako Asano , Junji Tomita

Question Answering (QA) effectively evaluates language models' reasoning and knowledge depth. While QA datasets are plentiful in areas like general domain and biomedicine, academic chemistry is less explored. Chemical QA plays a crucial…

Computation and Language · Computer Science 2024-07-25 Xiuying Chen , Tairan Wang , Taicheng Guo , Kehan Guo , Juexiao Zhou , Haoyang Li , Mingchen Zhuge , Jürgen Schmidhuber , Xin Gao , Xiangliang Zhang

Multimodal information extraction (MIE) aims to extract structured information from unstructured multimedia content. Due to the diversity of tasks and settings, most current MIE models are task-specific and data-intensive, which limits…

Computation and Language · Computer Science 2023-10-05 Yuxuan Sun , Kai Zhang , Yu Su

The meeting of artificial intelligence (AI) and quantum computing is already a reality; quantum machine learning (QML) promises the design of better regression models. In this work, we extend our previous studies of materials discovery…

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,…

Computation and Language · Computer Science 2026-02-03 Jamshid Mozafari , Hamed Zamani , Guido Zuccon , Adam Jatowt

Question Answering (QA) is increasingly used by search engines to provide results to their end-users, yet very few websites currently use QA technologies for their search functionality. To illustrate the potential of QA technologies for the…

Computation and Language · Computer Science 2024-01-18 Kunpeng Guo , Clement Defretiere , Dennis Diefenbach , Christophe Gravier , Antoine Gourru

In recent years, conversational agents have provided a natural and convenient access to useful information in people's daily life, along with a broad and new research topic, conversational question answering (QA). Among the popular…

Computation and Language · Computer Science 2021-04-20 Yongqi Li , Wenjie Li , Liqiang Nie

We present FoQA, a Faroese extractive question-answering (QA) dataset with 2,000 samples, created using a semi-automated approach combining Large Language Models (LLMs) and human validation. The dataset was generated from Faroese Wikipedia…

Computation and Language · Computer Science 2025-02-12 Annika Simonsen , Dan Saattrup Nielsen , Hafsteinn Einarsson