133 search results - page 18 / 27 » Efficient multi-step query processing for EMD-based similari... |
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
In this paper, we present a new and robust shape descriptor, which can be efficiently used to quickly prune a search for similar shapes in a large image database. The proposed sha...
ICDE
1998
IEEE
14 years 9 months ago
1998
IEEE
Similarity search in multimedia databases requires an efficient support of nearest-neighbor search on a large set of high-dimensional points as a basic operation for query process...
ICDE
2000
IEEE
14 years 9 months ago
2000
IEEE
In high-dimensional and complex metric spaces, determining the nearest neighbor (NN) of a query object ? can be a very expensive task, because of the poor partitioning operated by...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Efficient indexing techniques have been developed for the exact and approximate substructure search in large scale graph databases. Unfortunately, the retrieval problem of structu...
PVLDB
2008
13 years 7 months ago
2008
Despite the intense interest towards realizing the Semantic Web vision, most existing RDF data management schemes are constrained in terms of efficiency and scalability. Still, th...