132 search results - page 5 / 27 » Preference query evaluation over expensive attributes |
DASFAA
2007
IEEE
14 years 1 months ago
2007
IEEE
Today, result sets of skyline queries are unmanageable due to their exponential growth with the number of query predicates. In this paper we discuss the incremental re-computation ...
PVLDB
2010
13 years 2 months ago
2010
Although there has been a considerable body of work on skyline evaluation in multidimensional data with totally ordered attribute domains, there are only a few methods that consid...
EDBT
2009
ACM
13 years 10 months ago
2009
ACM
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
ICDE
2008
IEEE
15 years 7 months ago
2008
IEEE
In applications like location-based services, sensor monitoring and biological databases, the values of the database items are inherently uncertain in nature. An important query fo...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...