6650 search results - page 535 / 1330 » Mutating database queries |
207
click to vote
ICDT
2010
ACM
16 years 4 months ago
2010
ACM
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
174
click to vote
VLDB
1998
ACM
15 years 11 months ago
1998
ACM
Text data in the Internet can be partitioned into many databases naturally. Efficient retrieval of desired data can be achieved if we can accurately predict the usefulness of each...
295
click to vote
Publication
Spatio-temporal data streams that are generated from mobile stream sources (e.g., mobile sensors) experience similar environmental conditions that result in distinct phenomena. Sev...
180
click to vote
WWW
2007
ACM
16 years 7 months ago
2007
ACM
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
174
click to vote
WEBDB
2009
Springer
16 years 1 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...