4397 search results - page 184 / 880 » Relational Algebra Operations |
126
Voted
ACTA
2002
15 years 3 months ago
2002
In the constraint database community, FO+poly and FO+linear have been proposed as foundations for spatial database query languages. One of the strengths of this approach is that t...
132
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EDOC
2008
IEEE
15 years 10 months ago
2008
IEEE
In this paper, we provide a semantic foundation for role-related concepts in Enterprise Modelling. We use a conceptual modelling framework to provide a wellfounded underpinning fo...
125
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INFOCOM
2009
IEEE
15 years 10 months ago
2009
IEEE
Abstract—Different geographic routing protocols have different requirements on routing metric designs to ensure proper operation. Combining a wrong type of routing metric with a ...
155
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AMAST
1991
Springer
15 years 7 months ago
1991
Springer
Boolean logic treats disjunction and conjunction symmetrically and algebraically. The corresponding operations for computation are respectively nondeterminism (choice) and concurr...
150
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SBBD
2004
15 years 4 months ago
2004
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...