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» UFRGS@CLEF2009: Retrieval by Numbers
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ICTIR
2009
Springer
15 years 5 months ago
A Four-Factor User Interaction Model for Content-Based Image Retrieval
In order to bridge the “Semantic gap”, a number of relevance feedback (RF) mechanisms have been applied to content-based image retrieval (CBIR). However current RF techniques i...
Haiming Liu 0002, Victoria S. Uren, Dawei Song, St...
SIGIR
2009
ACM
15 years 5 months ago
Two-stage query segmentation for information retrieval
Modeling term dependence has been shown to have a significant positive impact on retrieval. Current models, however, use sequential term dependencies, leading to an increased que...
Michael Bendersky, W. Bruce Croft, David A. Smith
SIGIR
2009
ACM
15 years 5 months ago
It pays to be picky: an evaluation of thread retrieval in online forums
Online forums host a rich information exchange, often with contributions from many subject matter experts. In this work we evaluate algorithms for thread retrieval in a large and ...
Jonathan L. Elsas, Jaime G. Carbonell
CIKM
2007
Springer
15 years 5 months ago
Semiautomatic evaluation of retrieval systems using document similarities
Taking advantage of the well-known cluster hypothesis that “closely associated documents tend to be relevant to the same request”, we can use inter-document similarity to prov...
Ben Carterette, James Allan
CLEF
2006
Springer
15 years 2 months ago
Overview of the ImageCLEF 2006 Photographic Retrieval and Object Annotation Tasks
This paper describes the general photographic retrieval and object annotation tasks of the ImageCLEF 2006 evaluation campaign. These tasks provide both the resources and the frame...
Paul Clough, Michael Grubinger, Thomas Deselaers, ...