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ADC
2000
Springer
182views Database» more  ADC 2000»
15 years 10 months ago
Efficient Range Query Retrieval for Non-Uniform Data Distributions
Answering range queries is a common database operation. Methods based on hashing techniques to minimise the cost of answering range queries by taking the query distribution into a...
Salahadin Mohammed, Evan P. Harris, Kotagiri Ramam...
SPIRE
2004
Springer
15 years 12 months ago
Inferring Query Performance Using Pre-retrieval Predictors.
The prediction of query performance is an interesting and important issue in Information Retrieval (IR). Current predictors involve the use of relevance scores, which are time-cons...
Ben He, Iadh Ounis
IJISEC
2010
114views more  IJISEC 2010»
15 years 3 months ago
A new hardware-assisted PIR with O(n) shuffle cost
Abstract Since the concept of private information retrieval (PIR) was first formalized by Chor et. al, various constructions have been proposed with a common goal of reducing commu...
Xuhua Ding, Yanjiang Yang, Robert H. Deng, Shuhong...
CVPR
2008
IEEE
16 years 8 months ago
Lost in quantization: Improving particular object retrieval in large scale image databases
The state of the art in visual object retrieval from large databases is achieved by systems that are inspired by text retrieval. A key component of these approaches is that local ...
James Philbin, Ondrej Chum, Michael Isard, Josef S...
ITCC
2002
IEEE
15 years 11 months ago
A Methodology for Collection Selection in Heterogeneous Contexts
In this paper we demonstrate that in an ideal Distributed Information Retrieval environment, taking the ability of each collection server to return relevant documents into account...
Faiza Abbaci, Michel Beigbeder, Jacques Savoy