224 search results - page 20 / 45 » Incorporating Semantic Relationships into an Object-Oriented... |
ISI
2006
Springer
13 years 9 months ago
2006
Springer
Access control mechanisms are commonly used to provide control over who may access sensitive information. However, malicious users can exploit the correlation among the data and in...
WAIM
2010
Springer
13 years 7 months ago
2010
Springer
We present HyperGraphDB, a novel graph database based on generalized hypergraphs where hyperedges can contain other hyperedges. This generalization automatically reifies every ent...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Ontology, an explicit specification of shared conceptualization, has been increasingly used to define formal data semantics and improve data reusability and interoperability in en...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
Most of existing methods of keyword search over relational databases find the Steiner trees composed of relevant tuples as the answers. They identify the Steiner trees by discove...
JCSS
2000
13 years 8 months ago
2000
We investigate a class of path constraints that is of interest in connection with both semistructured and structured data. In standard database systems, constraints are typically ...