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SIGIR
2008
ACM
15 years 6 months ago
Learning to reduce the semantic gap in web image retrieval and annotation
We study in this paper the problem of bridging the semantic gap between low-level image features and high-level semantic concepts, which is the key hindrance in content-based imag...
Changhu Wang, Lei Zhang 0001, Hong-Jiang Zhang
SIGIR
2008
ACM
15 years 6 months ago
Asymmetric distance estimation with sketches for similarity search in high-dimensional spaces
Efficient similarity search in high-dimensional spaces is important to content-based retrieval systems. Recent studies have shown that sketches can effectively approximate L1 dist...
Wei Dong, Moses Charikar, Kai Li
CORR
1999
Springer
222views Education» more  CORR 1999»
15 years 6 months ago
Analysis of approximate nearest neighbor searching with clustered point sets
Abstract. Nearest neighbor searching is a fundamental computational problem. A set of n data points is given in real d-dimensional space, and the problem is to preprocess these poi...
Songrit Maneewongvatana, David M. Mount
TPDS
2010
118views more  TPDS 2010»
15 years 5 months ago
Using Parallel Bloom Filters for Multiattribute Representation on Network Services
—One widely used mechanism for representing membership of a set of items is the simple space-efficient randomized data structure known as Bloom filters. Yet, Bloom filters are no...
Bin Xiao, Yu Hua
ICPPW
2009
IEEE
15 years 4 months ago
Improvement of Messages Delivery Time on Vehicular Delay-Tolerant Networks
Vehicular Delay-Tolerant Networks (VDTNs) are an application of the Delay-Tolerant Network (DTN) concept, where the movement of vehicles and their message relaying service is used ...
Vasco Nuno da Gama de Jesus Soares, Joel Jos&eacut...