87 search results - page 5 / 18 » Efficient Computation of Temporal Aggregates with Range Pred... |
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We study complexity and approximation of queries in an expressive query language for probabilistic databases. The language studied supports the compositional use of confidence com...
ENTCS
2008
13 years 7 months ago
2008
ion in PRISM1 Mark Kattenbelt Marta Kwiatkowska Gethin Norman David Parker Oxford University Computing Laboratory, Oxford, UK Modelling and verification of systems such as communi...
AINA
2007
IEEE
14 years 2 months ago
2007
IEEE
In the Ad-Hoc InfoWare project, we develop a delay tolerant event notification service for sparse Mobile Ad-Hoc Networks for emergency and rescue operations. In most event notific...
MOBIHOC
2003
ACM
14 years 7 months ago
2003
ACM
The development of lightweight sensing and communication protocols is a key requirement for designing resource constrained sensor networks. This paper introduces a set of efficien...