Results 1  10
of
54,885
The DMCS Solver for Distributed Nonmonotonic MultiContext Systems ⋆
"... The DMCS system is an implementation of the equilibrium semantics for heterogeneous and nonmonotonic multicontext systems (MCS) [3], which feature contexts with heterogeneous and possibly nonmonotonic logics. Each context in an MCS comprises of two parts: a local knowledge base and a set of bridge ..."
Abstract

Cited by 7 (2 self)
 Add to MetaCart
The DMCS system is an implementation of the equilibrium semantics for heterogeneous and nonmonotonic multicontext systems (MCS) [3], which feature contexts with heterogeneous and possibly nonmonotonic logics. Each context in an MCS comprises of two parts: a local knowledge base and a set of bridge
Distributed Evaluation of Nonmonotonic Multicontext Systems
"... Multicontext Systems (MCSs) are a formalism for systems consisting of knowledge bases (possibly heterogeneous and nonmonotonic) that are interlinked via bridge rules, where the global system semantics emerges from the local semantics of the knowledge bases (also called “contexts”) in an equilibriu ..."
Abstract
 Add to MetaCart
Multicontext Systems (MCSs) are a formalism for systems consisting of knowledge bases (possibly heterogeneous and nonmonotonic) that are interlinked via bridge rules, where the global system semantics emerges from the local semantics of the knowledge bases (also called “contexts
Decomposition of Distributed Nonmonotonic MultiContext Systems
"... MultiContext Systems (MCS) are formalisms that enable the interlinkage of single knowledge bases, called contexts, via bridge rules. Recently, the evaluation of heterogeneous, nonmonotonic MCS was considered in DaoTran et al. (2010), where a fully distributed algorithm was described. In this paper ..."
Abstract

Cited by 11 (7 self)
 Add to MetaCart
MultiContext Systems (MCS) are formalisms that enable the interlinkage of single knowledge bases, called contexts, via bridge rules. Recently, the evaluation of heterogeneous, nonmonotonic MCS was considered in DaoTran et al. (2010), where a fully distributed algorithm was described
Dynamic Distributed Nonmonotonic MultiContext Systems ∗
"... Nonmonotonic multicontext systems (MCS) provide a formalism to represent knowledge exchange between heterogeneous and possibly nonmonotonic knowledge bases (contexts). Recent advancements to evaluate MCS semantics (given in terms of socalled equilibria) enable their application to realistic and fu ..."
Abstract

Cited by 1 (0 self)
 Add to MetaCart
and fully distributed scenarios of knowledge exchange. However, the current MCS formalism cannot handle open environments, i.e., when knowledge sources and their contents may change over time and are not known a priori. To improve on this aspect, we develop Dynamic Nonmonotonic MultiContext Systems, which
KnowledgeBased Systems Group MultiContext Systems
, 2010
"... ◮ A collection of contexts (C1,..., Cn), interlinked by bridge rules ◮ Context Ck=(kbk, brk): abstraction for knowledge based systems core notions: knowledge base kbk, bridge rules brk, accept. belief set hosts, e.g., default logic, classical logic, ASP, etc. ◮ Bridge rule adds information to contex ..."
Abstract
 Add to MetaCart
◮ A collection of contexts (C1,..., Cn), interlinked by bridge rules ◮ Context Ck=(kbk, brk): abstraction for knowledge based systems core notions: knowledge base kbk, bridge rules brk, accept. belief set hosts, e.g., default logic, classical logic, ASP, etc. ◮ Bridge rule adds information
Model Streaming for Distributed MultiContext Systems ⋆
"... Abstract. MultiContext Systems (MCS) are instances of a nonmonotonic formalism for interlinking heterogeneous knowledge bases in a way such that the information flow is in equilibrium. Recently, algorithms for evaluating distributed MCS have been proposed which compute global system models, called ..."
Abstract

Cited by 2 (2 self)
 Add to MetaCart
Abstract. MultiContext Systems (MCS) are instances of a nonmonotonic formalism for interlinking heterogeneous knowledge bases in a way such that the information flow is in equilibrium. Recently, algorithms for evaluating distributed MCS have been proposed which compute global system models, called
Distributed Computing in Practice: The Condor Experience
 Concurrency and Computation: Practice and Experience
, 2005
"... Since 1984, the Condor project has enabled ordinary users to do extraordinary computing. Today, the project continues to explore the social and technical problems of cooperative computing on scales ranging from the desktop to the worldwide computational grid. In this chapter, we provide the history ..."
Abstract

Cited by 542 (7 self)
 Add to MetaCart
the history and philosophy of the Condor project and describe how it has interacted with other projects and evolved along with the field of distributed computing. We outline the core components of the Condor system and describe how the technology of computing must correspond to social structures. Throughout
Estimating the Support of a HighDimensional Distribution
, 1999
"... Suppose you are given some dataset drawn from an underlying probability distribution P and you want to estimate a "simple" subset S of input space such that the probability that a test point drawn from P lies outside of S is bounded by some a priori specified between 0 and 1. We propo ..."
Abstract

Cited by 766 (29 self)
 Add to MetaCart
Suppose you are given some dataset drawn from an underlying probability distribution P and you want to estimate a "simple" subset S of input space such that the probability that a test point drawn from P lies outside of S is bounded by some a priori specified between 0 and 1. We
Symmetry Breaking for Distributed MultiContext Systems ⋆
"... Abstract. Heterogeneous nonmonotonic multicontext systems (MCS) permit different logics to be used in different contexts, and link them via bridge rules. We investigate the role of symmetry detection and symmetry breaking in such systems to eliminate symmetric parts of the search space and, thereby ..."
Abstract
 Add to MetaCart
Abstract. Heterogeneous nonmonotonic multicontext systems (MCS) permit different logics to be used in different contexts, and link them via bridge rules. We investigate the role of symmetry detection and symmetry breaking in such systems to eliminate symmetric parts of the search space and
GPFS: A SharedDisk File System for Large Computing Clusters
 In Proceedings of the 2002 Conference on File and Storage Technologies (FAST
, 2002
"... GPFS is IBM's parallel, shareddisk file system for cluster computers, available on the RS/6000 SP parallel supercomputer and on Linux clusters. GPFS is used on many of the largest supercomputers in the world. GPFS was built on many of the ideas that were developed in the academic community ove ..."
Abstract

Cited by 518 (3 self)
 Add to MetaCart
over the last several years, particularly distributed locking and recovery technology. To date it has been a matter of conjecture how well these ideas scale. We have had the opportunity to test those limits in the context of a product that runs on the largest systems in existence. While in many cases
Results 1  10
of
54,885