Results 11 to 20 of about 1,130,991 (283)

Using Relevance Feedback in Expert Search [PDF]

open access: yes, 2007
In Enterprise settings, expert search is considered an important task. In this search task, the user has a need for expertise - for instance, they require assistance from someone about a topic of interest. An expert search system assists users with their "expertise need" by suggesting people with relevant expertise to the topic of interest.
Macdonald, C., Ounis, I.
openaire   +4 more sources

Incorporating user search behaviour into relevance feedback [PDF]

open access: yes, 2003
In this paper we present five user experiments on incorporating behavioural information into the relevance feedback process. In particular we concentrate on ranking terms for query expansion and selecting new terms to add to the user's query.
Beaulieu   +27 more
core   +2 more sources

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

Content-Based Medical Image Retrieval Based on Image Feature Projection in Relevance Feedback Level [PDF]

open access: yesJournal of Intelligent Procedures in Electrical Technology, 2014
The purpose of this study is to design a content-based medical image retrieval system and provide a new method to reduce semantic gap between visual features and semantic concepts.
Mohammad Behnam, Hossein Pourghasem
doaj   +2 more sources

Query Expansion Based on Top-Ranked Images for Content-Based Medical Image Retrieval

open access: yesIEEE Access, 2020
Recently the collection of varied digital image databases has increased. Many users have found that searching and retrieving required images from large collections are very difficult tasks, and successful and effective retrieval methods were developed to
Ali Ahmed, Sharaf J. Malebary
doaj   +1 more source

Video information retrieval using objects and ostensive relevance feedback [PDF]

open access: yes, 2004
In this paper, we present a brief overview of current approaches to video information retrieval (IR) and we highlight its limitations and drawbacks in terms of satisfying user needs.
Browne, Paul
core   +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

Implementing Relevance Feedback for Content-Based Medical Image Retrieval

open access: yesIEEE Access, 2020
Content-based image medical retrieval (CBMIR) is a technique for retrieving medical images on the basis of automatically derived image features such as colour, texture and shape. There are many applications of CBMIR, such as teaching, research, diagnosis
Ali Ahmed
doaj   +1 more source

The use of implicit evidence for relevance feedback in web retrieval [PDF]

open access: yes, 2002
In this paper we report on the application of two contrasting types of relevance feedback for web retrieval. We compare two systems; one using explicit relevance feedback (where searchers explicitly have to mark documents relevant) and one using implicit
A. Spink   +7 more
core   +3 more sources

Research on relevance: A systematic review

open access: yesIranian Journal of Information Processing & Management, 2021
Relevance is one of the concepts that many researchers consider it fundamental in information retrieval. Recently, relevance has also been given attention in Iran about which multiple studies have been conducted.
Yaghoub Norouzi   +2 more
doaj  

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