Results 31 to 40 of about 1,392,110 (286)

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.
Ganguly, Debasis   +2 more
core   +3 more sources

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

WORD SENSE DISAMBIGUATION METHOD USING SEMANTIC SIMILARITY MEASURES AND OWA OPERATOR [PDF]

open access: yesICTACT Journal on Soft Computing, 2015
Query expansion (QE) is the process of reformulating a query to improve retrieval performance. Most of the times user's query contains ambiguous terms which adds relevant as well as irrelevant terms to the query after applying current query expansion ...
Kanika Mittal, Amita Jain
doaj  

Modified query expansion through generative adversarial networks for information extraction in e-commerce

open access: yesMachine Learning with Applications, 2023
This work addresses an alternative approach for query expansion (QE) using a generative adversarial network (GAN) to enhance the effectiveness of information search in e-commerce.
Altan Cakir, Mert Gurkan
doaj   +1 more source

A Query Understanding Framework for Earth Data Discovery

open access: yesApplied Sciences, 2020
One longstanding complication with Earth data discovery involves understanding a user’s search intent from the input query. Most of the geospatial data portals use keyword-based match to search data.
Yun Li   +4 more
doaj   +1 more source

Construction of artificial intelligence-assisted English learning resource query system

open access: yesFrontiers in Psychology, 2022
English has become an important tool for China's opening to the outside world and exchanges with other countries. More and more people have the motivation and requirements to learn English, but under the traditional English learning mode and traditional ...
Wenjing Yao, Ning Li
doaj   +1 more source

Query Expansion of Zero-Hit Subject Searches: Using a Thesaurus in Conjunction with NLP Techniques [PDF]

open access: yes, 2012
The focus of our study is zero-hit queries in keyword subject searches and the effort of increasing recall in these cases by reformulating and, then, expanding the initial queries using an external source of knowledge, namely a thesaurus.
Peponakis, Manolis   +5 more
core   +2 more sources

Improving Pseudo-Relevance Feedback With Neural Network-Based Word Representations

open access: yesIEEE Access, 2018
In information retrieval, query expansion methods, such as pseudo-relevance feedback, are designed to enrich users' queries with relevant terms for comprehensively interpreting the desired information.
Bo Xu   +4 more
doaj   +1 more source

A Query Expansion Method Using Multinomial Naive Bayes

open access: yesApplied Sciences, 2021
Information retrieval (IR) aims to obtain relevant information according to a certain user need and involves a great diversity of data such as texts, images, or videos. Query expansion techniques, as part of information retrieval (IR), are used to obtain
Sergio Silva   +4 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.
Ian H. Witten   +5 more
core   +1 more source

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