1121 search results - page 113 / 225 » Database Patchwork on the Internet |
178
click to vote
SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
SIGMOD
2002
ACM
15 years 10 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
EDBT
2004
ACM
15 years 10 months ago
2004
ACM
Though skyline queries already have claimed their place in retrieval over central databases, their application in Web information systems up to now was impossible due to the distri...
WEBDB
2009
Springer
15 years 4 months ago
2009
Springer
We study the problem of automatically discovering semantic associations between schema elements, namely foreign keys. This problem is important in all applications where data sets...
WEBDB
2009
Springer
15 years 4 months ago
2009
Springer
We study the problem of schema evolution in the RDF data model. RDF and the RDFS schema language are W3C standards for flexibly modeling and sharing data on the web. Although sch...