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KAIS
2000
139views more  KAIS 2000»
14 years 11 months ago
Incremental View Maintenance for Mobile Databases
In a mobile environment, querying a database at a stationary server from a mobile client is expensive due to the limited bandwidth of a wireless channel and the instability of the ...
Ken C. K. Lee, Hong Va Leong, Antonio Si
VLDB
1990
ACM
89views Database» more  VLDB 1990»
15 years 3 months ago
Database Updates through Abduction
: The problem of view updatesin deductive databasesis studiedby casting this in anaturally associatedabductive framework.It is shownthat this abductiveapproachdeals successfully, i...
Antonis C. Kakas, Paolo Mancarella
CIKM
2006
Springer
15 years 3 months ago
Annotation propagation revisited for key preserving views
This paper revisits the analysis of annotation propagation from source databases to views defined in terms of conjunctive (SPJ) queries. Given a source database D, an SPJ query Q,...
Gao Cong, Wenfei Fan, Floris Geerts
ICIP
2009
IEEE
16 years 9 days ago
Localized Null Space Representation For Dynamic Updating And Downdating In Image And Video Databases
Event/object classification and recognition is an extremely challenging problem, particularly when the query or stored data undergo an affine transformation due to camera motion. ...
WWW
2011
ACM
14 years 6 months ago
Rewriting queries on SPARQL views
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
Wangchao Le, Songyun Duan, Anastasios Kementsietsi...