80 search results - page 14 / 16 » Efficient evaluation of generalized path pattern queries on ... |
ICDE
2010
IEEE
14 years 6 months ago
2010
IEEE
Abstract-- Despite of advances in machine learning technologies, a schema matching result between two database schemas (e.g., those derived from COMA++) is likely to be imprecise. ...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
BTW
2003
Springer
14 years 6 days ago
2003
Springer
Dissemination systems are used to route information received from many publishers individually to multiple subscribers. The core of a dissemination system consists of an efficient...
WWW
2008
ACM
14 years 7 months ago
2008
ACM
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
DATAMINE
2000
13 years 6 months ago
2000
Abstract: Spatial data mining algorithms heavily depend on the efficient processing of neighborhood relations since the neighbors of many objects have to be investigated in a singl...