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» CTL Model Update: Semantics, Computations and Implementation
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2009
13 years 6 months ago
A Formal Model of Provenance in Distributed Systems
We present a formalism for provenance in distributed systems based on the -calculus. Its main feature is that all data products are annotated with metadata representing their prov...
Issam Souilah, Adrian Francalanza, Vladimiro Sasso...
RTSS
2005
IEEE
14 years 2 months ago
A Deferrable Scheduling Algorithm for Real-Time Transactions Maintaining Data Freshness
Periodic update transaction model has been used to maintain freshness (or temporal validity) of real-time data. Period and deadline assignment has been the main focus in the past ...
Ming Xiong, Song Han, Kam-yiu Lam
LPNMR
1997
Springer
14 years 1 months ago
Computing Non-Ground Representations of Stable Models
Turi [20] introduced the important notion of a constrained atom: an atom with associated equality and disequality constraints on its arguments. A set of constrained atoms is a cons...
Thomas Eiter, James J. Lu, V. S. Subrahmanian
CC
2009
Springer
14 years 1 months ago
Scheduling Tasks to Maximize Usage of Aggregate Variables in Place
Single-assignment languages with copy semantics have a very simple and approachable programming model. A na¨ıve implementation of the copy semantics that copies the result of eve...
Samah Abu-Mahmeed, Cheryl McCosh, Zoran Budimlic, ...
GG
2008
Springer
13 years 10 months ago
A Decentralized Implementation of Mobile Ambients
We present a graphical implementation for finite processes of the mobile ambients calculus. Our encoding uses unstructured (i.e., non hierarchical) graphs and it is sound and comp...
Fabio Gadducci, Giacoma Valentina Monreale