Results 21 to 30 of about 197,373 (301)

An Algorithm of Query Expansion for Chinese EMR Retrieval by Improving Expansion Term Weights and Retrieval Scores

open access: yesIEEE Access, 2020
Query expansion (QE) has been widely used in electronic medical record (EMR) retrieval for assisted diagnosis and clinical research. However, existing QE algorithms haven't achieved satisfactory performance in Chinese EMR retrieval, and one noticeable ...
Songchun Yang   +4 more
doaj   +1 more source

Re-ranking vehicle re-identification with orientation-guide query expansion

open access: yesInternational Journal of Distributed Sensor Networks, 2022
Vehicle re-identification, which aims to retrieve information regarding a vehicle from different cameras with non-overlapping views, has recently attracted extensive attention in the field of computer vision owing to the development of smart cities. This
Xue Zhang   +6 more
doaj   +1 more source

A Query Expansion Benchmark on Social Media Information Retrieval: Which Methodology Performs Best and Aligns with Semantics?

open access: yesComputers, 2023
This paper presents a benchmarking survey on query expansion techniques for social media information retrieval, with a focus on comparing the performance of methods using semantic web technologies.
Evangelos A. Stathopoulos   +5 more
doaj   +1 more source

Code Search Based on Alteration Intent

open access: yesIEEE Access, 2019
Code search is to retrieve the method according to the user needs. Many people think of the query as the only one to reflect the user needs. So they start with the query and find the synonyms, semantically similar to the query terms, for query expansion.
Huaiguang Wu, Yang Yang
doaj   +1 more source

QA4PRF: A Question Answering Based Framework for Pseudo Relevance Feedback

open access: yesIEEE Access, 2021
Pseudo relevance feedback (PRF) automatically performs query expansion based on top-retrieved documents to better represent the user’s information need so as to improve the search results.
Handong Ma   +8 more
doaj   +1 more source

A competitive environment for exploratory query expansion [PDF]

open access: yes, 2008
Most information workers query digital libraries many times a day. Yet people have little opportunity to hone their skills in a controlled environment, or compare their performance with others in an objective way.
Milne, David N.   +2 more
core   +3 more sources

Evaluation of Term Ranking Algorithms for Pseudo-Relevance Feedback in MEDLINE Retrieval [PDF]

open access: yesHealthcare Informatics Research, 2011
ObjectivesThe purpose of this study was to investigate the effects of query expansion algorithms for MEDLINE retrieval within a pseudo-relevance feedback framework.MethodsA number of query expansion algorithms were tested using various term ranking ...
Sooyoung Yoo, Jinwook Choi
doaj   +1 more source

Exploring accumulative query expansion for relevance feedback [PDF]

open access: yes, 2010
For the participation of Dublin City University (DCU) in the Relevance Feedback (RF) track of INEX 2010, we investigated the relation between the length of relevant text passages and the number of RF terms.
D.E. Losada   +5 more
core   +1 more source

Construction of a 5G Wireless Semantic Web-Assisted English Digital Learning Resource Query System

open access: yesDiscrete Dynamics in Nature and Society, 2021
Based on the 5G wireless semantic network, this paper realizes the construction of the English digital learning resources query system, providing the query and management functions for English digital learning resources, and realizes the integration of ...
Lili Liu
doaj   +1 more source

Entity Query Feature Expansion Using Knowledge Base Links [PDF]

open access: yes, 2014
Recent advances in automatic entity linking and knowledge base construction have resulted in entity annotations for document and query collections. For example, annotations of entities from large general purpose knowledge bases, such as Freebase and ...
Allan, James   +2 more
core   +2 more sources

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