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» Efficient Algorithms for Processing XPath Queries
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ICIP
2001
IEEE
16 years 1 months ago
A recursive optimal relevance feedback scheme for content based image retrieval
In this paper, an optimal relevance algorithm is proposed, which adapts the response of a content-based image retrieval (CBIR) system to the user's information needs. In part...
Anastasios D. Doulamis, Nikolaos D. Doulamis
WWW
2008
ACM
16 years 14 days ago
SPARQL basic graph pattern optimization using selectivity estimation
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
Markus Stocker, Andy Seaborne, Abraham Bernstein, ...
ICVGIP
2008
15 years 1 months ago
Visibility Cuts: A System for Rendering Dynamic Virtual Environments
In recent years, the subject of occlusion culling of large 3D environments has received substantial contribution. However the major amount of research into the area has focussed o...
Soumyajit Deb, Ankit Gupta
DAWAK
2005
Springer
15 years 5 months ago
Nearest Neighbor Search on Vertically Partitioned High-Dimensional Data
Abstract. In this paper, we present a new approach to indexing multidimensional data that is particularly suitable for the efficient incremental processing of nearest neighbor quer...
Evangelos Dellis, Bernhard Seeger, Akrivi Vlachou
DATESO
2009
146views Database» more  DATESO 2009»
14 years 9 months ago
Compression of the Stream Array Data Structure
In recent years, many approaches to XML twig pattern query (TPQ) processing have been developed. Some algorithms are supported by a stream abstract data type. s an abstract data ty...
Radim Baca, Martin Pawlas