79 search results - page 7 / 16 » Optimizing Queries on Compressed Bitmaps |
124
Voted
PVLDB
2008
15 years 1 months ago
2008
Brighthouse is a column-oriented data warehouse with an automatically tuned, ultra small overhead metadata layer called Knowledge Grid, that is used as an alternative to classical...
151
Voted
WWW
2010
ACM
15 years 8 months 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...
101
Voted
SDM
2009
SIAM
15 years 11 months ago
2009
SIAM
Mean-Shift (MS) is a powerful non-parametric clustering method. Although good accuracy can be achieved, its computational cost is particularly expensive even on moderate data sets...
96
Voted
DCC
2007
IEEE
16 years 1 months ago
2007
IEEE
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...
121
Voted
CORR
2010
Springer
15 years 1 months ago
2010
Springer
Previous work reports about SXSI, a fast XPath engine which executes tree automata over compressed XML indexes. Here, reasons are investigated why SXSI is so fast. It is shown tha...