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CLEF
2006
Springer
15 years 10 months ago
Inter-media Pseudo-relevance Feedback Application to ImageCLEF 2006 Photo Retrieval
This paper shows how to use a text retrieval and an image retrieval engine in a cooperative way. The proposed Inter-Media PseudoRelevance Feedback approach shows how the image moda...
Nicolas Maillot, Jean-Pierre Chevallet, Joo-Hwee L...
CIKM
2008
Springer
15 years 8 months ago
A survey of pre-retrieval query performance predictors
The focus of research on query performance prediction is to predict the effectiveness of a query given a search system and a collection of documents. If the performance of queries...
Claudia Hauff, Djoerd Hiemstra, Franciska de Jong
CC
2006
Springer
125views System Software» more  CC 2006»
15 years 6 months ago
A tight lower bound for restricted pir protocols
We show that any 1-round 2-server Private Information Retrieval Protocol where the answers are 1-bit long must ask questions that are at least n - 2 bits long, which is nearly equa...
Richard Beigel, Lance Fortnow, William I. Gasarch
ICC
2007
IEEE
125views Communications» more  ICC 2007»
16 years 1 months ago
A Novel Concept: Message Driven Frequency Hopping (MDFH)
—Frequency hopping systems have been widely used in military communications to prevent hostile jamming, interception and detection. In traditional frequency hopping (FH) systems,...
Qi Ling, Tongtong Li, Zhi Ding
IJCAI
1997
15 years 8 months ago
Scaling the Dynamic Approach to Autonomous Path Planning: Planning Horizon Dynamics
In the dynamical systems approach to robot path planning both sensed and remembered information contribute to shape a nonlinear vector eld that governs the behavior of an autonomo...
Edward W. Large, Henrik I. Christensen, Ruzena Baj...