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Concurrency Control in Groupware Systems

by C. A. Ellis, S. J. Gibbs - ACM SIGMOD Record , 1989
"... Abstract. Groupware systems are computer-based systems that support two or more users engaged in a common task, and that provide an interface to a shared environment. These systems frequently require fine-granularity sharing of data and fast response times. This paper distinguishes real-time groupwa ..."
Abstract - Cited by 373 (0 self) - Add to MetaCart
Abstract. Groupware systems are computer-based systems that support two or more users engaged in a common task, and that provide an interface to a shared environment. These systems frequently require fine-granularity sharing of data and fast response times. This paper distinguishes real

Recovery and coherency-control protocols for fast intersystem page transfer and fine-granularity locking in a shared disks transaction environment

by C Mohan - In Proceedings of the Seventeenth International Conference on Very Large Databases , 1991
"... llbstract This paper proposes schemes for fast page transfer between transaction system Instances In a shared disks (SD) environment where all the sharing Instances can read and modify the same data Fast page transfer improves transaction response time and concur-rency because one or more disk I/OS ..."
Abstract - Cited by 44 (3 self) - Add to MetaCart
/OS are avoided while transferring a page from a system which modified it to another system which needs it. The proposed methods work with the steal and no-force buffer management policies, and fine-granularity (e.g., record) locking For each of the page-transfer schemes, we present both recovery and coherency

Fine-granularity access control in 3-tier laboratory information systems

by Xueli Li, Nomair A. Naeem, Bettina Kemme - In IDEAS , 2005
"... Laboratory information systems (LIMS) are used in life science research to manage complex experiments. Since LIMS systems are often shared by different research groups, powerful access control is needed to allow different access rights to different records of the same table. Traditional access contr ..."
Abstract - Cited by 4 (0 self) - Add to MetaCart
Laboratory information systems (LIMS) are used in life science research to manage complex experiments. Since LIMS systems are often shared by different research groups, powerful access control is needed to allow different access rights to different records of the same table. Traditional access

Shasta: A Low Overhead, Software-Only Approach for Supporting Fine-Grain Shared Memory

by Daniel J. Scales, Kourosh Gharachorloo, Chandramohan A. Thekkath
"... This paper describes Shasta, a system that supports a shared address space in software on clusters of computers with physically distributed memory. A unique aspect of Shasta compared to most other software distributed shared memory systems is that shared data can be kept coherent at a fine granulari ..."
Abstract - Cited by 236 (5 self) - Add to MetaCart
This paper describes Shasta, a system that supports a shared address space in software on clusters of computers with physically distributed memory. A unique aspect of Shasta compared to most other software distributed shared memory systems is that shared data can be kept coherent at a fine

FINE-GRAINED MACROFLOW GRANULARITY IN CONGESTION CONTROL MANAGEMENT

by Darius Vasile Bufnea, Alina Campan, Adrian, Sergiu Darabant
"... Abstract. A recent approach in Internet congestion control suggests collaboration between sets of streams that should share network resources and learn from each other about the state of the network. Currently such a set of collaborating streams- a macro ow- is organized on host pair basis. We propo ..."
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Abstract. A recent approach in Internet congestion control suggests collaboration between sets of streams that should share network resources and learn from each other about the state of the network. Currently such a set of collaborating streams- a macro ow- is organized on host pair basis. We

The Concurrent Language Shared Prolog

by Antonio Brogi, Paolo Ciancarini , 1991
"... Shared Prolog is a new concurrent logic language. A Shared Prolog system is composed of a set of parallel agents which are Prolog programs extended by a guard mechanism. The programmer controls the granularity of parallelism coordinating communication and synchronization of the agents via a centrali ..."
Abstract - Cited by 81 (15 self) - Add to MetaCart
centralized data structure. The communication mechanism is inherited from the blackboard model of problem solving. Intuitively, the granularity of the logic processes to be elaborated in parallel is large, while the resources shared on the blackboard can be very fine-grained. An operational semantics

Adaptive Granularity: Transparent Integration of Fine-Grain and Coarse Grain Communications

by Daeyeon Park - In Proc. of the 1996 Conf. on Parallel Architectures and Compilation Techniques , 1996
"... The granularity of sharing is one of the key components that affect the performance in distributed shared memory (DSM) systems. Providing only one or two fixed size granularities to the user may not result in an efficient use of resources. Providing an arbitrarily variable granularity increases har ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
The granularity of sharing is one of the key components that affect the performance in distributed shared memory (DSM) systems. Providing only one or two fixed size granularities to the user may not result in an efficient use of resources. Providing an arbitrarily variable granularity increases

MGS: A multigrain shared memory system

by Donald Yeung, John Kubiatowicz, Anant Agarwallaboratory, Computer Science - In Proceedings of the 23rd Annual International Symposium on Computer Architecture , 1996
"... Abstract Parallel workstations, each comprising 10-100 processors, promisecost-effective general-purpose multiprocessing. This paper explores the coupling of such small- to medium-scale shared mem-ory multiprocessors through software over a local area network to synthesize larger shared memory syste ..."
Abstract - Cited by 67 (6 self) - Add to MetaCart
systems. We call these systemsDistributed Scalable Shared-memory Multiprocessors (DSSMPs). This paper introduces the design of a shared memory system thatuses multiple granularities of sharing, and presents an implementation on the Alewife multiprocessor, called MGS. Multigrain sharedmemory enables

Using Conceptual Lattices to Represent Fine Granular Learning Objects through SCORM Meta-Objects

by Luciano Silva, Pollyana N. Mustaro, Denise Stringhini, Ismar F. Silveira - The Electronic Journal of e-Learning , 2006
"... Abstract: Ideally, learning resources should be built over a shared pool of fine reusable granular learning objects. However, in order to avoid contextual lacks, dynamic creation of such resources would mostly rely on the conceptual relationships among learning objects inside a repository. These con ..."
Abstract - Cited by 3 (0 self) - Add to MetaCart
Abstract: Ideally, learning resources should be built over a shared pool of fine reusable granular learning objects. However, in order to avoid contextual lacks, dynamic creation of such resources would mostly rely on the conceptual relationships among learning objects inside a repository

Register Allocation for Lightweight Shared-Context Parallel Architecture

by Gregory Shklover, Alex Gontmakher, Assaf Schuster, Avi Mendelson
"... This paper describes the code generation process for Inthreads, a fine-granularity multithreaded architecture. The architecture is based on microthreads that use shared architectural registers, both for private variables and as a communication medium. Inthreads support required fundamental changes i ..."
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This paper describes the code generation process for Inthreads, a fine-granularity multithreaded architecture. The architecture is based on microthreads that use shared architectural registers, both for private variables and as a communication medium. Inthreads support required fundamental changes
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