1000 search results - page 118 / 200 » Provenance for Aggregate Queries |
SIGMOD
1997
ACM
14 years 2 months ago
1997
ACM
Data warehouses contain large amounts of information, often collected from a variety of independent sources. Decision-support functions in a warehouse, such as on-line analytical ...
PERCOM
2007
ACM
14 years 9 months ago
2007
ACM
The proliferation of radiofrequency identification systems in application domains such as supply chain management requires an IT infrastructure that provides RFID device and data ...
GRID
2007
Springer
14 years 4 months ago
2007
Springer
— We describe an information service that aggregates metadata available in hundreds of information sources of the EGEE Grid infrastructure. It uses an ontology-based information ...
SOCO
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. Service discovery and service aggregation are two crucial issues in the emerging area of Service-oriented Computing (SoC). We propose a new technique for the discovery of...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...