922 search results - page 31 / 185 » Attribute based data sharing with attribute revocation |
IDT
2008
14 years 9 months ago
2008
: Many defense, homeland security, and commercial security objectives require continuous tracking of mobile entities such as aircraft. The systems that perform these functions prod...
JAIR
2008
14 years 9 months ago
2008
In order for agents to act on behalf of users, they will have to retrieve and integrate vast amounts of textual data on the World Wide Web. However, much of the useful data on the...
GI
2007
Springer
15 years 3 months ago
2007
Springer
: Data validation and cleaning are integral processes of the data quality management cycle. Domain specific knowledge is needed to detect and correct semantic errors. Ontologies c...
ER
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. In Data Warehouse (DW) scenarios, ETL (Extraction, Transformation, Loading) processes are responsible for the extraction of data from heterogeneous operational data sourc...
DEXA
2005
Springer
15 years 3 months ago
2005
Springer
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...