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CONCUR
2000
Springer
14 years 6 days ago
Verifying Quantitative Properties of Continuous Probabilistic Timed Automata
Abstract. We consider the problem of automatically verifying realtime systems with continuously distributed random delays. We generalise probabilistic timed automata introduced in ...
Marta Z. Kwiatkowska, Gethin Norman, Roberto Segal...
AINA
2010
IEEE
13 years 11 months ago
PRoPHET+: An Adaptive PRoPHET-Based Routing Protocol for Opportunistic Network
Abstract—We propose PRoPHET+, a routing scheme for opportunistic networks designed to maximize successful data delivery rate and minimize transmission delay. PRoPHET+ computes a ...
Ting-Kai Huang, Chia-Keng Lee, Ling-Jyh Chen
WOLLIC
2009
Springer
14 years 2 months ago
Spoilt for Choice: Full First-Order Hierarchical Decompositions
Abstract. Database design aims to find a database schema that permits the efficient processing of common types of queries and updates on future database instances. Full first-ord...
Sebastian Link
CHI
2007
ACM
14 years 8 months ago
Talking about "stuff": artifacts and expectation in social communication
In this work, we use qualitative field studies to examine the role of physical artifacts in conjunction with and comparison to digital communication. We investigate what people co...
Elaine M. Huang, Crysta J. Metcalf
GEOS
2005
Springer
14 years 1 months ago
A Qualitative Trajectory Calculus and the Composition of Its Relations
Continuously moving objects are prevalent in many domains. Although there have been attempts to combine both spatial and temporal relationships from a reasoning, a database, as wel...
Nico Van de Weghe, Bart Kuijpers, Peter Bogaert, P...