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OSDI
1994
ACM
15 years 3 months ago
Metadata Update Performance in File Systems
Structural changes, such as file creation and block allocation, have consistently been identified as file system performance problems in many user environments. We compare several...
Gregory R. Ganger, Yale N. Patt
ER
2007
Springer
141views Database» more  ER 2007»
15 years 8 months ago
Active Meta Modeling Support for Evolving E-contracts
An e-contract is a contract modeled, specified, executed, controlled and monitored by a software system. Econtract evolves over a period of time and there are many scenarios of ch...
P. Radha Krishna, Kamalakar Karlapalem
CAV
2008
Springer
99views Hardware» more  CAV 2008»
15 years 4 months ago
Correcting a Space-Efficient Simulation Algorithm
Although there are many efficient algorithms for calculating the simulation preorder on finite Kripke structures, only two have been proposed of which the space complexity is of t...
Rob J. van Glabbeek, Bas Ploeger
DAGSTUHL
2007
15 years 3 months ago
A conceptual framework for (iterated) revision, update, and nonmonotonic reasoning
Abstract. This paper makes a foundational contribution to the discussions on the very nature of belief change operations. Belief revision and pdate are investigated within an abstr...
Gabriele Kern-Isberner
JSCIC
2007
125views more  JSCIC 2007»
15 years 1 months ago
Discrete Fundamental Solution Preconditioning for Hyperbolic Systems of PDE
We present a new preconditioner for the iterative solution of linear systems of equations arising from discretizations of systems of first order partial differential equations (P...
Henrik Brandén, Sverker Holmgren, Per Sundq...