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相关论文: Enhancing Content-And-Structure Information Retrie…

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Retrieval-augmented generation (RAG) based large language models (LLMs) are widely used in finance for their excellent performance on knowledge-intensive tasks. However, standardized documents (e.g., SEC filing) share similar formats such…

信息检索 · 计算机科学 2025-11-07 Jaeyoung Choe , Jihoon Kim , Woohwan Jung

This paper introduces MIX, a multi-task deep learning approach to solve open-ended question-answering. First, we design our system as a multi-stage pipeline of 3 building blocks: a BM25-based Retriever to reduce the search space, a…

计算与语言 · 计算机科学 2025-03-14 Sofian Chaybouti , Achraf Saghe , Aymen Shabou

XML has become the de-facto standard for data representation and exchange, resulting in large scale repositories and warehouses of XML data. In order for users to understand and explore these large collections, a summarized, bird's eye view…

信息检索 · 计算机科学 2009-10-14 Maya Ramanath , Kondreddi Sarath Kumar , Georgiana Ifrim

Extreme Multi-label classification (XML) is an important yet challenging machine learning task, that assigns to each instance its most relevant candidate labels from an extremely large label collection, where the numbers of labels, features…

机器学习 · 计算机科学 2019-04-15 Bingyu Wang , Li Chen , Wei Sun , Kechen Qin , Kefeng Li , Hui Zhou

Retrieving pertinent documents from various data sources with diverse characteristics poses a significant challenge for Document Retrieval Systems. The complexity of this challenge is further compounded when accounting for the semantic…

信息检索 · 计算机科学 2025-08-29 Apurva Kulkarni , Chandrashekar Ramanathan , Vinu E Venugopal

Efficient document retrieval heavily relies on the technique of semantic hashing, which learns a binary code for every document and employs Hamming distance to evaluate document distances. However, existing semantic hashing methods are…

信息检索 · 计算机科学 2022-11-01 Zexuan Qiu , Qinliang Su , Jianxing Yu , Shijing Si

Retrieval-augmented generation (RAG) systems address complex user requests by decomposing them into subqueries, retrieving potentially relevant documents for each, and then aggregating them to generate an answer. Efficiently selecting…

人工智能 · 计算机科学 2025-10-22 Roxana Petcu , Kenton Murray , Daniel Khashabi , Evangelos Kanoulas , Maarten de Rijke , Dawn Lawrie , Kevin Duh

EquiX is a search language for XML that combines the power of querying with the simplicity of searching. Requirements for such languages are discussed and it is shown that EquiX meets the necessary criteria. Both a graphical abstract syntax…

数据库 · 计算机科学 2007-05-23 Sara Cohen , Yaron Kanza , Yakov Kogan , Werner Nutt , Yehoshua Sagiv , Alexander Serebrenik

In dense retrieval, embedding long texts into dense vectors can result in information loss, leading to inaccurate query-text matching. Additionally, low-quality texts with excessive noise or sparse key information are unlikely to align well…

计算与语言 · 计算机科学 2025-03-04 Hongming Tan , Shaoxiong Zhan , Hai Lin , Hai-Tao Zheng , Wai Kin Chan

Multi-hop question answering (QA) involves finding multiple relevant passages and step-by-step reasoning to answer complex questions, indicating a retrieve-and-read paradigm. However, previous retrievers were customized for two-hop…

计算与语言 · 计算机科学 2024-04-02 Jiahao Zhang , Haiyang Zhang , Dongmei Zhang , Yong Liu , Shen Huang

With the rapid development of large-scale language models, Retrieval-Augmented Generation (RAG) has been widely adopted. However, existing RAG paradigms are inevitably influenced by erroneous retrieval information, thereby reducing the…

信息检索 · 计算机科学 2024-05-30 Ridong Wu , Shuhong Chen , Xiangbiao Su , Yuankai Zhu , Yifei Liao , Jianming Wu

While meta-analytic research is performed, it becomes time-consuming to filter through the sheer amount of sources made available by individual databases and search engines and therefore degrades the specificity of source analysis. This…

信息检索 · 计算机科学 2020-08-05 Ananth Goyal

Information retrieval across different languages is an increasingly important challenge in natural language processing. Recent approaches based on multilingual pre-trained language models have achieved remarkable success, yet they often…

信息检索 · 计算机科学 2024-08-21 Adel Elmahdy , Sheng-Chieh Lin , Amin Ahmad

Traditional information extraction systems face challenges with text only language models as it does not consider infographics (visual elements of information) such as tables, charts, images etc. often used to convey complex information to…

信息检索 · 计算机科学 2025-07-17 Rachna Saxena , Abhijeet Kumar , Suresh Shanmugam

Document structure extraction has been a widely researched area for decades with recent works performing it as a semantic segmentation task over document images using fully-convolution networks. Such methods are limited by image resolution…

机器学习 · 计算机科学 2021-07-12 Milan Aggarwal , Hiresh Gupta , Mausoom Sarkar , Balaji Krishnamurthy

Retrieving relevant documents from a corpus is typically based on the semantic similarity between the document content and query text. The inclusion of structural relationship between documents can benefit the retrieval mechanism by…

信息检索 · 计算机科学 2022-04-05 Natraj Raman , Sameena Shah , Manuela Veloso

Starting from an unsolved problem of information retrieval this paper presents an ontology-based model for indexing and retrieval. The model combines the methods and experiences of cognitive-to-interpret indexing languages with the…

信息检索 · 计算机科学 2013-12-17 Winfried Gödert

We present GenEx, a generative model to explain search results to users beyond just showing matches between query and document words. Adding GenEx explanations to search results greatly impacts user satisfaction and search performance.…

信息检索 · 计算机科学 2021-11-03 Razieh Rahimi , Youngwoo Kim , Hamed Zamani , James Allan

In this work, we study how URL extraction results depend on input format. We compiled a pilot dataset by extracting URLs from 10 arXiv papers and used the same heuristic method to extract URLs from four formats derived from the PDF files or…

数字图书馆 · 计算机科学 2025-09-08 Rochana R. Obadage , Lamia Salsabil , Sawood Alam , Bipasha Banarjee , William A. Ingram , Edward A. Fox , Jian Wu

A novel pseudocode search engine is designed to facilitate efficient retrieval and search of academic papers containing pseudocode. By leveraging Elasticsearch, the system enables users to search across various facets of a paper, such as…

信息检索 · 计算机科学 2024-11-20 Levent Toksoz , Mukund Srinath , Gang Tan , C. Lee Giles
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