2985 search results - page 156 / 597 » Indexing Distributed Complex Data for Complex Queries |
147
click to vote
KRMED
2008
15 years 6 months ago
2008
By constructing local extensions to SNOMED we aim to enrich existing medical and related data stores, simplify the expression of complex queries, and establish a foundation for se...
223
Voted
ICDE
2011
IEEE
14 years 8 months ago
2011
IEEE
— Array database systems are architected for scientific and engineering applications. In these applications, the value of a cell is often imprecise and uncertain. There are at le...
133
click to vote
ICCSA
2009
Springer
15 years 12 months ago
2009
Springer
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
155
Voted
PVLDB
2010
14 years 11 months ago
2010
Recent legislation has increased the requirements of organizations to report data breaches, or unauthorized access to data. While access control policies are used to restrict acce...
229
click to vote
ICDT
2009
ACM
16 years 5 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...