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Providing effective access paths to content is a key task in digital libraries. Oftentimes, such access paths are realized through advanced query languages, which, on the one hand, users may find challenging to learn or use, and on the…

Digital Libraries · Computer Science 2023-05-01 Hermann Kroll , Christin Katharina Kreutz , Pascal Sackhoff , Wolf-Tilo Balke

Here we study the semantic search and retrieval problem in biomedical digital libraries. First, we introduce MedGraph, a knowledge graph embedding-based method that provides semantic relevance retrieval and ranking for the biomedical…

Information Retrieval · Computer Science 2021-12-15 Islam Akef Ebeid , Elizabeth Pierce

Academic Search is a search task aimed to manage and retrieve scientific documents like journal articles and conference papers. Personalization in this context meets individual researchers' needs by leveraging, through user profiles, the…

Information Retrieval · Computer Science 2025-07-21 Pranav Kasela , Gabriella Pasi , Raffaele Perego

The exponential growth in scholarly publications necessitates advanced tools for efficient article retrieval, especially in interdisciplinary fields where diverse terminologies are used to describe similar research. Traditional…

We present a novel system that automatically extracts and generates informative and descriptive sentences from the biomedical corpus and facilitates the efficient search for relational knowledge. Unlike previous search engines or…

Computation and Language · Computer Science 2023-10-19 Kerui Zhu , Jie Huang , Kevin Chen-Chuan Chang

Efficiently finding doctors and locations is an important search problem for patients in the healthcare domain, for which traditional information retrieval methods tend not to work optimally. In the last ten years, knowledge graphs (KGs)…

Artificial Intelligence · Computer Science 2023-10-10 Mayank Kejriwal , Hamid Haidarian , Min-Hsueh Chiu , Andy Xiang , Deep Shrestha , Faizan Javed

Traditional search methods primarily depend on string matches, while semantic search targets concept-based matches by recognizing underlying intents and contextual meanings of search terms. Semantic search is particularly beneficial for…

Computation and Language · Computer Science 2024-10-02 Phillip Schneider , Florian Matthes

Keyword based search engines have problems with term ambiguity and vocabulary mismatch. In this paper, we propose a query expansion technique that enriches queries expressed as keywords and short natural language descriptions. We present a…

Information Retrieval · Computer Science 2013-10-23 Joan Guisado-Gámez , David Dominguez-Sal , Josep-LLuis Larriba-Pey

To retrieve more relevant, appropriate and useful documents given a query, finding clues about that query through the text is crucial. Recent deep learning models regard the task as a term-level matching problem, which seeks exact or…

Information Retrieval · Computer Science 2021-02-01 Yufeng Zhang , Jinghao Zhang , Zeyu Cui , Shu Wu , Liang Wang

Now a day's, search engines are been most widely used for extracting information's from various resources throughout the world. Where, majority of searches lies in the field of biomedical for retrieving related documents from various…

Information Retrieval · Computer Science 2009-12-14 Jayanthi Manicassamy , P. Dhavachelvan

Curation of biomedical knowledge bases (KBs) relies on extracting accurate multi-entity relational facts from the literature - a process that remains largely manual and expert-driven. An essential step in this workflow is retrieving…

Information Retrieval · Computer Science 2025-04-16 Xing David Wang , Ulf Leser

Here we present a holistic approach for data exploration on dense knowledge graphs as a novel approach with a proof-of-concept in biomedical research. Knowledge graphs are increasingly becoming a vital factor in knowledge mining and…

Artificial Intelligence · Computer Science 2019-12-16 Jens Dörpinghaus , Alexander Apke , Vanessa Lage-Rupprecht , Andreas Stefan

Tables are common and important in scientific documents, yet most text-based document search systems do not capture structures and semantics specific to tables. How to bridge different types of mismatch between keywords queries and…

Information Retrieval · Computer Science 2017-07-13 Kyle Yingkai Gao , Jamie Callan

Large language models (LLMs) are transforming the way information is retrieved with vast amounts of knowledge being summarized and presented via natural language conversations. Yet, LLMs are prone to highlight the most frequently seen…

Computation and Language · Computer Science 2024-02-20 Julien Delile , Srayanta Mukherjee , Anton Van Pamel , Leonid Zhukov

The goal of case-based retrieval is to assist physicians in the clinical decision making process, by finding relevant medical literature in large archives. We propose a research that aims at improving the effectiveness of case-based…

Information Retrieval · Computer Science 2018-11-28 Stefano Marchesin

Search engines rely heavily on term-based approaches that represent queries and documents as bags of words. Text---a document or a query---is represented by a bag of its words that ignores grammar and word order, but retains word frequency…

Information Retrieval · Computer Science 2017-11-17 Christophe Van Gysel

Because of the increasing number of electronic data, designing efficient tools to retrieve and exploit documents is a major challenge. Current search engines suffer from two main drawbacks: there is limited interaction with the list of…

Information Retrieval · Computer Science 2010-12-09 Sylvie Ranwez , Vincent Ranwez , Mohameth-François Sy , Jacky Montmain , Michel Crampes

Maps are an important source of information in archaeology and other sciences. Users want to search for historical maps to determine recorded history of the political geography of regions at different eras, to find out where exactly…

Digital Libraries · Computer Science 2009-01-27 Qingzhao Tan , Prasenjit Mitra , C. Lee Giles

In a node-labeled graph, keyword search finds subtrees of the graph whose nodes contain all of the query keywords. This provides a way to query graph databases that neither requires mastery of a query language such as SPARQL, nor a deep…

Databases · Computer Science 2016-03-30 Mehdi Kargar , Lukasz Golab , Jaroslaw Szlichta

We introduce an explainability method for biomedical hypothesis generation systems, built on top of the novel Hypothesis Generation Context Retriever framework. Our approach combines semantic graph-based retrieval and relevant…

Information Retrieval · Computer Science 2025-11-11 Ilya Tyagin , Saeideh Valipour , Aliaksandra Sikirzhytskaya , Michael Shtutman , Ilya Safro
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