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Large Language Models (LLMs) have shown strong inductive reasoning ability across various domains, but their reliability is hindered by the outdated knowledge and hallucinations. Retrieval-Augmented Generation mitigates these issues by…

Computation and Language · Computer Science 2025-06-12 Tianjun Yao , Haoxuan Li , Zhiqiang Shen , Pan Li , Tongliang Liu , Kun Zhang

The long-tail recommendation is a challenging task for traditional recommender systems, due to data sparsity and data imbalance issues. The recent development of large language models (LLMs) has shown their abilities in complex reasoning,…

Information Retrieval · Computer Science 2024-03-12 Junda Wu , Cheng-Chun Chang , Tong Yu , Zhankui He , Jianing Wang , Yupeng Hou , Julian McAuley

While neural sequence learning methods have made significant progress in single-document summarization (SDS), they produce unsatisfactory results on multi-document summarization (MDS). We observe two major challenges when adapting SDS…

Computation and Language · Computer Science 2020-10-02 Yuning Mao , Yanru Qu , Yiqing Xie , Xiang Ren , Jiawei Han

Utilizing long-range dependency, a concept extensively studied in homogeneous graphs, remains underexplored in heterogeneous graphs, especially on large ones, posing two significant challenges: Reducing computational costs while maximizing…

Artificial Intelligence · Computer Science 2025-03-26 Chao Li , Zijie Guo , Qiuting He , Hao Xu , Kun He

Multimodal Large Language Models (MLLMs) enhance the potential of natural language processing. However, their actual impact on document information extraction remains unclear. In particular, it is unclear whether an MLLM-only…

Computation and Language · Computer Science 2026-03-04 Jiyuan Shen , Peiyue Yuan , Atin Ghosh , Yifan Mai , Daniel Dahlmeier

Dense retrieval has been shown to be effective for retrieving relevant documents for Open Domain QA, surpassing popular sparse retrieval methods like BM25. REALM (Guu et al., 2020) is an end-to-end dense retrieval system that relies on MLM…

Computation and Language · Computer Science 2021-04-20 Vidhisha Balachandran , Ashish Vaswani , Yulia Tsvetkov , Niki Parmar

Discovering the key structure of a database is one of the main goals of data mining. In pattern set mining we do so by discovering a small set of patterns that together describe the data well. The richer the class of patterns we consider,…

Artificial Intelligence · Computer Science 2017-08-11 Apratim Bhattacharyya , Jilles Vreeken

Pre-trained language models (PLMs) have achieved outstanding achievements in abstractive single-document summarization (SDS). However, such benefits may not fully extend to multi-document summarization (MDS), where the handling of…

Computation and Language · Computer Science 2023-11-02 Chenhui Shen , Liying Cheng , Xuan-Phi Nguyen , Yang You , Lidong Bing

This paper presents TL;DR Progress, a new tool for exploring the literature on neural text summarization. It organizes 514~papers based on a comprehensive annotation scheme for text summarization approaches and enables fine-grained, faceted…

Computation and Language · Computer Science 2024-02-13 Shahbaz Syed , Khalid Al-Khatib , Martin Potthast

The task of multi-document summarization (MDS) aims at models that, given multiple documents as input, are able to generate a summary that combines disperse information, originally spread across these documents. Accordingly, it is expected…

Computation and Language · Computer Science 2022-10-25 Ruben Wolhandler , Arie Cattan , Ori Ernst , Ido Dagan

Traditional statistical retrieval models often treat each document as a whole. In many cases, however, a document is relevant to a query only because a small part of it contain the targeted information. In this work, we propose a neural…

Information Retrieval · Computer Science 2021-03-18 Qingyao Ai , Brendan O Connor , W. Bruce Croft

Large Vision-Language Models (LVLMs) have demonstrated strong multimodal reasoning capabilities on long and complex documents. However, their high memory footprint makes them impractical for deployment on resource-constrained edge devices.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Tanveer Hannan , Dimitrios Mallios , Parth Pathak , Faegheh Sardari , Thomas Seidl , Gedas Bertasius , Mohsen Fayyaz , Sunando Sengupta

Re-finding electronic documents from a personal computer is a frequent demand to users. In a simple re-finding task, people can use many methods to retrieve a document, such as navigating directly to the document's folder, searching with a…

Information Retrieval · Computer Science 2016-01-28 Gangli Liu , Ling Feng

Document content extraction is a critical task in computer vision, underpinning the data needs of large language models (LLMs) and retrieval-augmented generation (RAG) systems. Despite recent progress, current document parsing methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Linke Ouyang , Yuan Qu , Hongbin Zhou , Jiawei Zhu , Rui Zhang , Qunshu Lin , Bin Wang , Zhiyuan Zhao , Man Jiang , Xiaomeng Zhao , Jin Shi , Fan Wu , Pei Chu , Minghao Liu , Zhenxiang Li , Chao Xu , Bo Zhang , Botian Shi , Zhongying Tu , Conghui He

AutoML has advanced in handling complex tasks using the integration of LLMs, yet its efficiency remains limited by dependence on specific underlying tools. In this paper, we introduce LightAutoDS-Tab, a multi-AutoML agentic system for tasks…

The text retrieval is the task of retrieving similar documents to a search query, and it is important to improve retrieval accuracy while maintaining a certain level of retrieval speed. Existing studies have reported accuracy improvements…

Information Retrieval · Computer Science 2023-11-15 Yuichi Sasazawa , Kenichi Yokote , Osamu Imaichi , Yasuhiro Sogawa

We introduce iterative retrieval, a novel framework that empowers retrievers to make iterative decisions through policy optimization. Finding an optimal portfolio of retrieved items is a combinatorial optimization problem, generally…

Computation and Language · Computer Science 2024-06-24 Yunmo Chen , Tongfei Chen , Harsh Jhamtani , Patrick Xia , Richard Shin , Jason Eisner , Benjamin Van Durme

The exponential increase in video content poses significant challenges in terms of efficient navigation, search, and retrieval, thus requiring advanced video summarization techniques. Existing video summarization methods, which heavily rely…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Min Jung Lee , Dayoung Gong , Minsu Cho

We propose a general framework for topic-specific summarization of large text corpora, and illustrate how it can be used for analysis in two quite different contexts: an OSHA database of fatality and catastrophe reports (to facilitate…

Computation and Language · Computer Science 2016-07-26 Luke Miratrix , Robin Ackerman

This paper addresses the challenge of improving information retrieval from semi-structured eXtensible Markup Language (XML) documents. Traditional information retrieval systems (IRS) often overlook user-specific needs and return identical…

Information Retrieval · Computer Science 2026-03-24 Ounnaci Iddir , Ahmed-ouamer Rachid , Tai Dinh