51 search results - page 9 / 11 » Computing consistent query answers using conflict hypergraph... |
DKE
2007
13 years 6 months ago
2007
The challenge in a database of evolving time series is to provide efficient algorithms and access methods for query processing, taking into consideration the fact that the databas...
PVLDB
2010
13 years 4 months ago
2010
Violations of functional dependencies (FDs) are common in practice, often arising in the context of data integration or Web data extraction. Resolving these violations is known to...
ICALP
2004
Springer
13 years 11 months ago
2004
Springer
We define a natural notion of efficiency for approximate nearest-neighbor (ANN) search in general n-point metric spaces, namely the existence of a randomized algorithm which answ...
CIKM
1999
Springer
13 years 10 months ago
1999
Springer
On-line analytical processing (OLAP) requires e cient processing of complex decision support queries over very large databases. It is well accepted that pre-computed data cubes ca...
GRAPHITE
2007
ACM
13 years 10 months ago
2007
ACM
Point-sampled geometry has gained significant interest due to their simplicity. The lack of connectivity touted as a plus, however, creates difficulties in many operations like ge...