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» Real-time Logics: Complexity and Expressiveness
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SIGMOD
2005
ACM
107views Database» more  SIGMOD 2005»
14 years 8 months ago
A notation and system for expressing and executing cleanly typed workflows on messy scientific data
The description, composition, and execution of even logically simple scientific workflows are often complicated by the need to deal with "messy" issues like heterogeneou...
Yong Zhao, James E. Dobson, Ian T. Foster, Luc Mor...
IANDC
2011
127views more  IANDC 2011»
13 years 3 months ago
On the consistency, expressiveness, and precision of partial modeling formalisms
Partial transition systems support abstract model checking of complex temporal propercombining both over- and under-approximatingabstractions into a single model. Over the years, ...
Ou Wei, Arie Gurfinkel, Marsha Chechik
ESWS
2007
Springer
14 years 2 months ago
Vague Knowledge Bases for Matchmaking in P2P E-Marketplaces
In this paper we propose an approach to semantic matchmaking that exploits various knowledge representation technologies to find most promising partners in peer-to-peer e-marketpl...
Azzurra Ragone, Umberto Straccia, Tommaso Di Noia,...
CIE
2008
Springer
13 years 8 months ago
First-Order Model Checking Problems Parameterized by the Model
We study the complexity of the model checking problem, for fixed models A, over certain fragments L of first-order logic, obtained by restricting which of the quantifiers and boole...
Barnaby Martin
FSTTCS
2010
Springer
13 years 5 months ago
The Complexity of Model Checking (Collapsible) Higher-Order Pushdown Systems
We study (collapsible) higher-order pushdown systems -- theoretically robust and well-studied models of higher-order programs -- along with their natural subclass called (collapsi...
Matthew Hague, Anthony Widjaja To