46 search results - page 4 / 10 » Universal Temporal Extensions for Database Languages |
136
click to vote
ESWS
2010
Springer
14 years 11 months ago
2010
Springer
Abstract. RDF will often be the metadata model of choice in the Semantic Sensor Web. However, RDF can only represent thematic metadata and needs to be extended if we want to model ...
115
Voted
CGI
1998
IEEE
15 years 4 months ago
1998
IEEE
This paper presents a new architecture of a database management system intended to be used together with existing graphics software. In the first place, a system with this archite...
68
Voted
SIGMOD
1987
ACM
15 years 4 months ago
1987
ACM
In this paper we discuss extensions to the conventional relatronal algebra to support transaction time We show that these extensions are applicable to hrstorlcal algebras that sup...
118
Voted
CONCUR
2001
Springer
15 years 5 months ago
2001
Springer
A key issue in the design of a model-checking tool is the choice of the formal language with which properties are specified. It is now recognized that a good language should exten...
120
Voted
ICALP
2007
Springer
15 years 6 months ago
2007
Springer
We present algebraic conditions on constraint languages Γ that ensure the hardness of the constraint satisfaction problem CSP(Γ) for complexity classes L, NL, P, NP and ModpL. Th...