383 search results - page 49 / 77 » Join operations in temporal databases |
CORR
2011
Springer
14 years 4 months ago
2011
Springer
Understanding how users tailor their SPARQL queries is crucial when designing query evaluation engines or fine-tuning RDF stores with performance in mind. In this paper we analyz...
JCSS
2002
14 years 9 months ago
2002
A database programming language is a programming language extended with database operations. In this paper we extend a core functional language with explicitly labeled tuples and ...
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
RFID technology provides significant advantages over traditional object-tracking technology and is increasingly adopted and deployed in real applications. RFID applications genera...
ER
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. We present a new technique for discovering and representing structural changes between two versions of a directed acyclic graph (DAG). Motivated by the necessity of chang...
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ICPR
2002
IEEE
15 years 2 months ago
2002
IEEE
We describe spatio-temporal symmetry and its extraction via a Generalised Symmetry Operator. Its use in gait recognition is reinforced by the view from psychology that human gait ...