Results 21 to 30 of about 2,502,977 (224)
Aggregation of Multiple Pseudo Relevance Feedbacks for Image Search Re-Ranking
Image retrieval effectiveness can be improved by pseudo relevance feedback (PRF), which automatically uses top-$k$ images of the initial retrieval result as the pseudo feedback.
Wei-Chao Lin
doaj +1 more source
Query Expansion for Arabic Information Retrieval Model: Performance Analysis and Modification [PDF]
Information retrieval aims to find all relevant documents responding to a query from textual data. A goodinformation retrieval system should retrieve only those documents that satisfy the user query.
Ayat Elnahaas +4 more
doaj +1 more source
Selective relevance feedback using term characteristics [PDF]
This paper presents a new relevance feedback technique; selectively combining evidence based on the usage of terms within documents. By considering how terms are used within documents, we can better describe the features that might make a document ...
Ruthven, Ian, Lalmas, Mounia
core +4 more sources
Self-feedback image retrieval algorithm based on annular color moments
Content-based image retrieval (CBIR) extracts visual content features (such as color, texture, and shape) of a sample image to retrieve another similar image. Due to the existence of the semantic gap, retrieval results are often unsatisfactory.
Ying Deng, Yuanhui Yu
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Exploring accumulative query expansion for relevance feedback [PDF]
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 +5 more
core +3 more sources
End-to-end vertical web search pseudo relevance feedback queries recommendation software
Users' web information needs are increasingly exploratory, seeking to navigate unfamiliar domains and discover knowledge. However, existing search engines struggle with ambiguous queries, leading to irrelevant results.
Tajmir Khan +4 more
doaj +1 more source
An adaptive term proximity based rocchio’s model for clinical decision support retrieval
Background In order to better help doctors make decision in the clinical setting, research is necessary to connect electronic health record (EHR) with the biomedical literature.
Min Pan +5 more
doaj +1 more source
In this paper, we address the enhancing of Google Scholar engine, in the context of text retrieval, through two mechanisms related to the interrogation protocol of that query expansion and reformulation.
Mawloud Mosbah
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Generalized Analysis of a Distribution Separation Method
Separating two probability distributions from a mixture model that is made up of the combinations of the two is essential to a wide range of applications. For example, in information retrieval (IR), there often exists a mixture distribution consisting of
Peng Zhang +5 more
doaj +1 more source
Ranks Aggregation and Semantic Genetic Approach based Hybrid Model for Query Expansion
Effective query expansion terms selection methods are really very important for improving the accuracy and efficiency of Pseudo-Relevance Feedback (PRF) based automatic query expansion techniques in information retrieval system.
Jagendra Singh
doaj +1 more source

