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DAMON
2008
Springer
13 years 11 months ago
2008
Springer
Comparisons between the merits of row-wise storage (NSM) and columnar storage (DSM) are typically made with respect to the persistent storage layer of database systems. In this pa...
ESWS
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. This paper studies the RDF model from a database perspective. From this point of view it is compared with other database models, particularly with graph database models, ...
DEXA
2010
Springer
13 years 10 months ago
2010
Springer
We consider the containment problem for conjunctive queries with atomic negation. Firstly, we refine an existing algorithm based on homomorphism checks, which itself improves other...
DIALM
2003
ACM
14 years 3 months ago
2003
ACM
A common way of storing spatio-temporal information about mobile devices is in the form of a 3D (2D geography + time) trajectory. We argue that when cellular phones and Personal D...
KI
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. SEASALT (Sharing Experience using an Agent-based System Architecture LayouT) presents an instantiation of the Collaborating Multi-Expert Systems (CoMES) approach [1]. It ...