191 search results - page 18 / 39 » Aggregation Queries in the Database-As-a-Service Model |
GIS
2002
ACM
13 years 9 months ago
2002
ACM
Geographical information systems are more and more based on a DBMS with spatial extensions, which is also the case for the system described in this paper. The design and implementa...
CIKM
2010
Springer
13 years 7 months ago
2010
Springer
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
SCCC
2005
IEEE
14 years 3 months ago
2005
IEEE
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
Web search engines consistently collect information about users interaction with the system: they record the query they issued, the URL of presented and selected documents along w...