6650 search results - page 383 / 1330 » Mutating database queries |
157
Voted
ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
In a secure mediated information system, confidentiality is one of the main concerns when transmitting data from datasources to clients via a mediator. We present three approache...
260
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
156
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SAC
2008
ACM
15 years 4 months ago
2008
ACM
In this paper, we focus on an aspect of distributed XQuery processing that involves data exchanges between processor elements. We first address problems of distributed XML query p...
178
Voted
SIGMOD
2010
ACM
15 years 3 days ago
2010
ACM
This demonstration presents Crescando, an implementation of a distributed relational table that guarantees predictable response time on unpredictable workloads. In Crescando, data...
259
Voted
SIGMOD
2009
ACM
16 years 5 months ago
2009
ACM
A large number of online databases are hidden behind the web. Users to these systems can form queries through web forms to retrieve a small sample of the database. Sampling such h...