2835 search results - page 449 / 567 » Common Semantics for Use Cases and Task Models |
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
RTSS
2005
IEEE
14 years 2 months ago
2005
IEEE
Periodic update transaction model has been used to maintain freshness (or temporal validity) of real-time data. Period and deadline assignment has been the main focus in the past ...
ENTCS
2006
13 years 9 months ago
2006
Partially Ordered Symbolic Automata (POSAs) are used as the semantical foundation of visual formalisms like the scenario based language of Live Sequence Charts (LSCs). To check whe...
TC
2008
13 years 9 months ago
2008
The periodic update transaction model has been used to maintain the freshness (or temporal validity) of real-time data. Period and deadline assignment has been the main focus of pa...
JSW
2007
13 years 9 months ago
2007
— In this paper, we present our approach to describe and compose services for distant learning and research activities. For this purpose, we propose a metadata model for indexing...