208 search results - page 10 / 42 » Indexing range sum queries in spatio-temporal databases |
SIGMOD
1997
ACM
13 years 12 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
VLDB
1998
ACM
13 years 12 months ago
1998
ACM
We propose and evaluate two indexing schemes for improving the efficiency of data retrieval in high-dimensional databases that are incomplete. These schemes are novel in that the ...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Graphs have become popular for modeling structured data. As a result, graph queries are becoming common and graph indexing has come to play an essential role in query processing. ...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
New and emerging P2P applications require sophisticated range query capability and also have strict requirements on query correctness, system availability and item availability. W...
PODS
2009
ACM
14 years 8 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...