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Graph-based Retrieval-Augmented Generation (GraphRAG) organizes external knowledge as a hierarchical graph, enabling efficient retrieval and aggregation of scattered evidence across multiple documents. However, many existing benchmarks for…

Computation and Language · Computer Science 2026-02-04 Pengyu Wang , Benfeng Xu , Licheng Zhang , Shaohan Wang , Mingxuan Du , Chiwei Zhu , Zhendong Mao

Retrieval-augmented generation (RAG) has strong potential for producing accurate and factual outputs by combining language models (LMs) with evidence retrieved from large text corpora. However, current pipelines are limited by static…

Information Retrieval · Computer Science 2026-02-27 Xuechen Zhang , Koustava Goswami , Samet Oymak , Jiasi Chen , Nedim Lipka

Retrieval-Augmented Generation (RAG) systems have revolutionized information retrieval and question answering, but traditional text-based chunking methods struggle with complex document structures, multi-page tables, embedded figures, and…

Machine Learning · Computer Science 2025-07-15 Vishesh Tripathi , Tanmay Odapally , Indraneel Das , Uday Allu , Biddwan Ahmed

Most existing multi-document machine reading comprehension models mainly focus on understanding the interactions between the input question and documents, but ignore following two kinds of understandings. First, to understand the semantic…

Computation and Language · Computer Science 2022-04-08 Feiliang Ren , Yongkang Liu , Bochao Li , Zhibo Wang , Yu Guo , Shilei Liu , Huimin Wu , Jiaqi Wang , Chunchao Liu , Bingchao Wang

The financial domain frequently deals with large numbers of long documents that are essential for daily operations. Significant effort is put towards automating financial data analysis. However, a persistent challenge, not limited to the…

Computation and Language · Computer Science 2024-06-21 Viet Dac Lai , Michael Krumdick , Charles Lovering , Varshini Reddy , Craig Schmidt , Chris Tanner

Retrieval-Augmented Generation (RAG) enables large language models (LLMs) to access external knowledge sources, but the effectiveness of RAG relies on the coordination between the retriever and the generator. Since these components are…

Computation and Language · Computer Science 2025-09-24 Junlin Wang , Zehao Wu , Shaowei Lu , Yanlan Li , Xinghao Huang

Understanding research papers remains challenging for foundation models due to specialized scientific discourse and complex figures and tables, yet existing benchmarks offer limited fine-grained evaluation at scale. To address this gap, we…

Computation and Language · Computer Science 2026-05-01 Yelin Chen , Fanjin Zhang , Suping Sun , Yunhe Pang , Yuanchun Wang , Jian Song , Xiaoyan Li , Lei Hou , Shu Zhao , Jie Tang , Juanzi Li

Numerical reasoning over hybrid data containing both textual and tabular content (e.g., financial reports) has recently attracted much attention in the NLP community. However, existing question answering (QA) benchmarks over hybrid data…

Artificial Intelligence · Computer Science 2022-06-06 Yilun Zhao , Yunxiang Li , Chenying Li , Rui Zhang

Deep Research Agents are a prominent category of LLM-based agents. By autonomously orchestrating multistep web exploration, targeted retrieval, and higher-order synthesis, they transform vast amounts of online information into…

Computation and Language · Computer Science 2025-06-16 Mingxuan Du , Benfeng Xu , Chiwei Zhu , Xiaorui Wang , Zhendong Mao

Multimodal Retrieval-Augmented Generation (MRAG) enhances reasoning capabilities by integrating external knowledge. However, existing benchmarks primarily focus on simple image-text interactions, overlooking complex visual formats like…

Artificial Intelligence · Computer Science 2025-02-21 Yuming Yang , Jiang Zhong , Li Jin , Jingwang Huang , Jingpeng Gao , Qing Liu , Yang Bai , Jingyuan Zhang , Rui Jiang , Kaiwen Wei

Aggregation query over free text is a long-standing yet underexplored problem. Unlike ordinary question answering, aggregate queries require exhaustive evidence collection and systems are required to "find all," not merely "find one."…

Artificial Intelligence · Computer Science 2026-02-04 Haojia Zhu , Qinyuan Xu , Haoyu Li , Yuxi Liu , Hanchen Qiu , Jiaoyan Chen , Jiahui Jin

Tabular data is a fundamental component of real-world information systems, yet most research in table understanding remains confined to English, leaving multilingual comprehension significantly underexplored. Existing multilingual table…

Multimodal reasoning, which integrates language and visual cues into problem solving and decision making, is a fundamental aspect of human intelligence and a crucial step toward artificial general intelligence. However, the evaluation of…

Retrieval-Augmented Generation (RAG) has become a standard architectural pattern for incorporating domain-specific knowledge into user-facing chat applications powered by Large Language Models (LLMs). RAG systems are characterized by (1) a…

Computation and Language · Computer Science 2025-01-17 Robert Friel , Masha Belyi , Atindriyo Sanyal

Retrieval-Augmented Generation (RAG) struggles on long, structured financial filings where relevant evidence is sparse and cross-referenced. This paper presents a systematic investigation of advanced metadata-driven Retrieval-Augmented…

Information Retrieval · Computer Science 2025-10-29 Michail Dadopoulos , Anestis Ladas , Stratos Moschidis , Ioannis Negkakis

Accurate question answering (QA) in disaster management requires reasoning over uncertain and conflicting information, a setting poorly captured by existing benchmarks built on clean evidence. We introduce DisastQA, a large-scale benchmark…

Computation and Language · Computer Science 2026-01-08 Zhitong Chen , Kai Yin , Xiangjue Dong , Chengkai Liu , Xiangpeng Li , Yiming Xiao , Bo Li , Junwei Ma , Ali Mostafavi , James Caverlee

Leveraging large language models in real-world settings often entails a need to utilize domain-specific data and tools in order to follow the complex regulations that need to be followed for acceptable use. Within financial sectors, modern…

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…

Information Retrieval · Computer Science 2023-08-22 Philipp Christmann , Rishiraj Saha Roy , Gerhard Weikum

As a knowledge discovery task over heterogeneous data sources, current Multimodal Affective Computing (MAC) heavily rely on the completeness of multiple modalities to accurately understand human's affective state. However, in real-world…

Artificial Intelligence · Computer Science 2026-02-03 Ronghao Lin , Honghao Lu , Ruixing Wu , Aolin Xiong , Qinggong Chu , Qiaolin He , Sijie Mai , Haifeng Hu

Documents are fundamental to preserving and disseminating information, often incorporating complex layouts, tables, and charts that pose significant challenges for automatic document understanding (DU). While vision-language large models…

Computation and Language · Computer Science 2025-06-19 Negar Foroutan , Angelika Romanou , Matin Ansaripour , Julian Martin Eisenschlos , Karl Aberer , Rémi Lebret