27 search results - page 1 / 6 » Using an index of precomputed joins in order to speed up SPA... |
ICEIS
2007
IEEE
13 years 11 months ago
2007
IEEE
WWW
2010
ACM
14 years 9 days ago
2010
ACM
The Semantic Web community, until now, has used traditional database systems for the storage and querying of RDF data. The SPARQL query language also closely follows SQL syntax. A...
TKDE
2002
13 years 5 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
CIKM
2011
Springer
12 years 5 months ago
2011
Springer
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
GIS
2007
ACM
13 years 9 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...