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» Context Query in Information Retrieval
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WWW
2007
ACM
16 years 7 months ago
Query topic detection for reformulation
In this paper, we show that most multiple term queries include more than one topic and users usually reformulate their queries by topics instead of terms. In order to provide empi...
Xuefeng He, Jun Yan, Jinwen Ma, Ning Liu, Zheng Ch...
PR
2006
119views more  PR 2006»
15 years 6 months ago
Performance evaluation and optimization for content-based image retrieval
Performance evaluation of content-based image retrieval (CBIR) systems is an important but still unsolved problem. The reason for its importance is that only performance evaluatio...
Julia Vogel, Bernt Schiele
ACISICIS
2005
IEEE
16 years 5 days ago
A Comprehensive Middleware Architecture for Context-Aware Ubiquitous Computing Systems
Ubiquitous computing is viewed as a computing paradigm where minimal user intervention is necessitated emphasizing detection of environmental conditions and user behaviors in orde...
Anjum Shehzad, Hung Quoc Ngo, Sungyoung Lee, Young...
HUC
2003
Springer
15 years 11 months ago
Activity Zones for Context-Aware Computing
Location is a primary cue in many context-aware computing systems, and is often represented as a global coordinate, room number, or a set of Euclidean distances to various landmark...
Kimberle Koile, Konrad Tollmar, David Demirdjian, ...
DEXAW
2000
IEEE
74views Database» more  DEXAW 2000»
15 years 11 months ago
Retrieval Situations and Belief Change
Situational aspects are very helpful to decide relevance but they have often been left aside by Information Retrieval models. The standard logical approach to Information Retrieva...
David E. Losada, Alvaro Barreiro