3 search results - page 1 / 1 » Controlled Aggregate Tree Shaped Questions over Ontologies |
FQAS
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. Controlled languages (CLs) are ambiguity-free subsets of natural languages such as English offering a good trade-off between the formal rigor of ontology and query langua...
SECON
2008
IEEE
13 years 11 months ago
2008
IEEE
— What is the fastest rate at which we can collect a stream of aggregated data from a set of wireless sensors organized as a tree? We explore a hierarchy of techniques using real...
CDC
2009
IEEE
13 years 9 months ago
2009
IEEE
Abstract— We study the problem of maximizing the aggregated revenue in sensor networks with deadline constraints. Our model is that of a sensor network that is arranged in the fo...