240 search results - page 21 / 48 » A Fast Index for Semistructured Data |
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
Traditional bitmap indexes are utilized as a special type of primary or clustered indexes where the queries are answered by performing fast logical operations supported by hardwar...
SEMWEB
2009
Springer
15 years 2 months ago
2009
Springer
RDF is an increasingly important paradigm for the representation of information on the Web. As RDF databases increase in size to approach tens of millions of triples, and as sophis...
WWW
2005
ACM
15 years 10 months ago
2005
ACM
We consider the problem of indexing high-dimensional data for answering (approximate) similarity-search queries. Similarity indexes prove to be important in a wide variety of sett...
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ICDE
1998
IEEE
15 years 11 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...
CCGRID
2003
IEEE
15 years 3 months ago
2003
IEEE
This paper addresses the query performance issue for Relational OLAP (ROLAP) datacubes. We present a distributed multi-dimensional ROLAP indexing scheme which is practical to imple...