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PODS
2010
ACM
242views Database» more  PODS 2010»
14 years 3 months ago
Certain answers for XML queries
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
Claire David, Leonid Libkin, Filip Murlak
EDBT
2009
ACM
207views Database» more  EDBT 2009»
14 years 1 months ago
Evaluating probability threshold k-nearest-neighbor queries over uncertain data
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 ...
Reynold Cheng, Lei Chen 0002, Jinchuan Chen, Xike ...
WWW
2004
ACM
14 years 10 months ago
Index structures and algorithms for querying distributed RDF repositories
A technical infrastructure for storing, querying and managing RDF data is a key element in the current semantic web development. Systems like Jena, Sesame or the ICS-FORTH RDF Sui...
Heiner Stuckenschmidt, Richard Vdovjak, Geert-Jan ...
ACMSE
2005
ACM
14 years 3 months ago
On developing a simple in-house digital library archive
Digital libraries (DLs) have become a major focus of information technology resources for organizations from academia, to the US Department of Defense to the archeological efforts...
Eric L. Brown, Luis G. Velazco, G. Kirksey, S. Ram...
VLDB
2005
ACM
125views Database» more  VLDB 2005»
14 years 3 months ago
Using Association Rules for Fraud Detection in Web Advertising Networks
Discovering associations between elements occurring in a stream is applicable in numerous applications, including predictive caching and fraud detection. These applications requir...
Ahmed Metwally, Divyakant Agrawal, Amr El Abbadi