221 search results - page 30 / 45 » Chase of Recursive Queries |
EDBT
2009
ACM
14 years 3 days ago
2009
ACM
We consider a near future scenario in which users of a Web 2.0 application, such as a social network, contribute to the application not only data, but also rules which automatical...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
A major problem in today's information-driven world is that sharing heterogeneous, semantically rich data is incredibly difficult. Piazza is a peer data management system tha...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Existing methods for prediction in spatio-temporal databases assume that objects move according to linear functions. This severely limits their applicability, since in practice mo...
PODS
2005
ACM
14 years 7 months ago
2005
ACM
We study the satisfiability problem associated with XPath in the presence of DTDs. This is the problem of determining, given a query p in an XPath fragment and a DTD D, whether or...
IPSN
2009
Springer
14 years 2 months ago
2009
Springer
As the diversity of sensornet use cases increases, the combinations of environments and applications that will coexist will make custom engineering increasingly impractical. We in...