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One of the challenges in large-scale information retrieval (IR) is to develop fine-grained and domain-specific methods to answer natural language questions. Despite the availability of numerous sources and datasets for answer retrieval,…

Computation and Language · Computer Science 2019-11-28 Asma Ben Abacha , Dina Demner-Fushman

Document-based question answering (QA) increasingly includes abstract questions that require synthesizing scattered information from long documents or across multiple documents into coherent answers. However, this setting is still poorly…

Computation and Language · Computer Science 2026-05-12 Shu Wang , Shansong Zhou , Xinyang Wang , Shiwei Wang , Hulong Wu , Yixiang Fang

The retrieval model is an indispensable component for real-world knowledge-intensive tasks, e.g., open-domain question answering (ODQA). As separate retrieval skills are annotated for different datasets, recent work focuses on customized…

Computation and Language · Computer Science 2023-05-29 Kaixin Ma , Hao Cheng , Yu Zhang , Xiaodong Liu , Eric Nyberg , Jianfeng Gao

In this work, we introduce CodeRepoQA, a large-scale benchmark specifically designed for evaluating repository-level question-answering capabilities in the field of software engineering. CodeRepoQA encompasses five programming languages and…

Software Engineering · Computer Science 2024-12-20 Ruida Hu , Chao Peng , Jingyi Ren , Bo Jiang , Xiangxin Meng , Qinyun Wu , Pengfei Gao , Xinchen Wang , Cuiyun Gao

Text-based Question Answering (QA) is a challenging task which aims at finding short concrete answers for users' questions. This line of research has been widely studied with information retrieval techniques and has received increasing…

Information Retrieval · Computer Science 2020-05-28 Zahra Abbasiantaeb , Saeedeh Momtazi

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

The reading comprehension task, that asks questions about a given evidence document, is a central problem in natural language understanding. Recent formulations of this task have typically focused on answer selection from a set of…

Computation and Language · Computer Science 2017-03-21 Kenton Lee , Shimi Salant , Tom Kwiatkowski , Ankur Parikh , Dipanjan Das , Jonathan Berant

Retrieving real-time information is a fundamental capability for search-integrated agents in real-world applications. However, existing benchmarks are predominantly static and therefore fail to capture the temporal dynamics of information…

Information Retrieval · Computer Science 2026-05-12 Wenjie Zhou , Yuan Gao , Xin Zhou , Hao Fu , Zhongjian Miao , Wei Chen , Bo Chen , Xiaobing Zhao

Large language models have recently pushed open domain question answering (ODQA) to new frontiers. However, prevailing retriever-reader pipelines often depend on multiple rounds of prompt level instructions, leading to high computational…

Computation and Language · Computer Science 2025-09-23 Zhanghao Hu , Hanqi Yan , Qinglin Zhu , Zhenyi Shen , Yulan He , Lin Gui

The task of long-form question answering (LFQA) involves retrieving documents relevant to a given question and using them to generate a paragraph-length answer. While many models have recently been proposed for LFQA, we show in this paper…

Computation and Language · Computer Science 2021-05-20 Kalpesh Krishna , Aurko Roy , Mohit Iyyer

Retriever-augmented instruction-following models are attractive alternatives to fine-tuned approaches for information-seeking tasks such as question answering (QA). By simply prepending retrieved documents in its input along with an…

Computation and Language · Computer Science 2024-04-18 Vaibhav Adlakha , Parishad BehnamGhader , Xing Han Lu , Nicholas Meade , Siva Reddy

While question answering (QA) with neural network, i.e. neural QA, has achieved promising results in recent years, lacking of large scale real-word QA dataset is still a challenge for developing and evaluating neural QA system. To alleviate…

Computation and Language · Computer Science 2016-09-02 Peng Li , Wei Li , Zhengyan He , Xuguang Wang , Ying Cao , Jie Zhou , Wei Xu

Table Question Answering (TQA) presents a substantial challenge at the intersection of natural language processing and data analytics. This task involves answering natural language (NL) questions on top of tabular data, demanding…

Databases · Computer Science 2023-10-03 Yunjia Zhang , Jordan Henkel , Avrilia Floratou , Joyce Cahoon , Shaleen Deep , Jignesh M. Patel

Recent advancements in Large Language Models (LLMs) have pushed the boundaries of natural language processing, especially in long-context understanding. However, the evaluation of these models' long-context abilities remains a challenge due…

Computation and Language · Computer Science 2025-04-24 Cunxiang Wang , Ruoxi Ning , Boqi Pan , Tonghui Wu , Qipeng Guo , Cheng Deng , Guangsheng Bao , Xiangkun Hu , Zheng Zhang , Qian Wang , Yue Zhang

The field of Question Answering (QA) has made remarkable progress in recent years, thanks to the advent of large pre-trained language models, newer realistic benchmark datasets with leaderboards, and novel algorithms for key components such…

Deep research agents have emerged as LLM-based systems designed to perform multi-step information seeking and reasoning over large, open-domain sources to answer complex questions by synthesizing information from multiple information…

Information Retrieval · Computer Science 2026-03-20 Mahta Rafiee , Heydar Soudani , Zahra Abbasiantaeb , Mohammad Aliannejadi , Faegheh Hasibi , Hamed Zamani

Retrieval augmented Question Answering (QA) helps QA models overcome knowledge gaps by incorporating retrieved evidence, typically a set of passages, alongside the question at test time. Previous studies show that this approach improves QA…

Computation and Language · Computer Science 2025-09-12 Laura Perez-Beltrachini , Mirella Lapata

Instructional documents are rich sources of knowledge for completing various tasks, yet their unique challenges in conversational question answering (CQA) have not been thoroughly explored. Existing benchmarks have primarily focused on…

Computation and Language · Computer Science 2024-10-02 Shiwei Wu , Chen Zhang , Yan Gao , Qimeng Wang , Tong Xu , Yao Hu , Enhong Chen

We investigate knowledge retrieval with multi-modal queries, i.e. queries containing information split across image and text inputs, a challenging task that differs from previous work on cross-modal retrieval. We curate a new dataset called…

Computation and Language · Computer Science 2023-06-02 Man Luo , Zhiyuan Fang , Tejas Gokhale , Yezhou Yang , Chitta Baral

Long-Form Question Answering (LFQA) involves generating comprehensive, paragraph-level responses to open-ended questions, which poses a significant challenge for evaluation due to the richness of information and flexible response format.…

Computation and Language · Computer Science 2026-02-03 Yuchen Fan , Chen Lin , Xin Zhong , Shuo Zhang , Heng Zhou , Yuchen Zhang , Mingyu Liang , Chengxing Xie , Ermo Hua , Gang Chen , Zhizhou He , Cheng Huang , Ning Ding , Bowen Zhou