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University of Malta
(15 results)-
White Papers
A Triple Graph Grammar (TGG) Approach for Mapping UML 2 Activities Into Petri Nets
February 10, 2010, 12:00am PST
Model-to-Model mapping offers several advantages over relational mapping. In model-to-model mapping an active correspondence is kept between two pairs of models. This is facilitated if visual...
Provided by University of Malta
-
White Papers
LARVA - Safer Monitoring of Real-Time Java Programs (Tool Paper)
August 28, 2009, 12:00am PDT
The use of runtime verification, as a lightweight approach to guarantee properties of systems, has been increasingly employed on real-life software. This paper presents the tool LARVA, for the...
Provided by University of Malta
-
White Papers
A Comparison of Software Analysis and Design Methods for Real Time Systems
June 9, 2009, 12:00am PDT
Real time analysis and development is an intricate process. This is because these systems exhibit special behavior. Real time timing, communication and reliability requirements are not easily...
Provided by University of Malta
-
Whitepapers
An Accurate Model for Periodogram-Based Energy Detection Over Nakagami Fading
May 24, 2012, 12:00am PDT
Spectrum sensing is a major function within a cognitive radio system, and it is recently shown that the frequency-domain implementation of the energy detector yields a lower probability of false...
Provided by University of Malta
-
Whitepapers
New and Accurate Results on the Performance of the Multitaper-Based Detector
May 24, 2012, 12:00am PDT
In this paper an accurate analysis is provided for the Multi-taper-based detector. The authors study the quadratic form representation of the Multi-Taper Estimate (MTE), and they derive accurate...
Provided by University of Malta
-
Whitepapers
Wideband Spectrum Sensing Framework for Multiple Slow Frequency Hopping Primary Users
March 12, 2012, 12:00am PDT
Cognitive radios have been advanced as a solution to improve spectral efficiency through opportunistic access of the spectrum by unlicensed users. In order to achieve its objective, a cognitive...
Provided by University of Malta
-
Whitepapers
Enhancing Parallelism of Tile Bidiagonal Transformation on Multicore Architectures Using Tree Reduction
January 26, 2012, 12:00am PST
This paper is to enhance the parallelism of the tile bi-diagonal transformation using tree reduction on multicore architectures. First introduced by Ltaief et. al, the bi-diagonal transformation...
Provided by University of Malta
-
Whitepapers
HierKNEM: An Adaptive Framework for Kernel-Assisted and Topology-Aware Collective Communications on Many-Core Clusters
January 25, 2012, 12:00am PST
Multicore Clusters, which have become the most prominent form of High Performance Computing (HPC) systems, challenge the performance of MPI applications with non uniform memory accesses and shared...
Provided by University of Malta
-
Whitepapers
An Approach to Ad Hoc Cloud Computing
February 25, 2010, 12:00am PST
The authors consider how underused computing resources within an enterprise may be harnessed to improve utilization and create an elastic computing infrastructure. Most current cloud provision...
Provided by University of Malta
-
Whitepapers
From CUDA to OpenCL: Towards a Performance-Portable Solution for Multi-Platform GPU Programming
August 31, 2010, 12:00am PDT
In this paper, the authors evaluate OpenCL as a programming tool for developing performance-portable applications for GPGPU. While the Khronos group developed OpenCL with programming portability...
Provided by University of Malta
-
Whitepapers
A Block-Asynchronous Relaxation Method for Graphics Processing Units
October 14, 2012, 12:00am PDT
In this paper, the authors analyze the potential of asynchronous relaxation methods on Graphics Processing Units (GPUs). They develop asynchronous iteration algorithms in CUDA and compare them...
Provided by University of Malta
-
White Papers
Towards Peer-to-Peer Virtualized Service Hosting, Discovery and Delivery
July 11, 2011, 12:00am PDT
This paper introduces a peer-to-peer framework for providing, locating and consuming distributed services that are encapsulated within virtual machines. The authors believe that the decentralized...
Provided by University of Malta
-
White Papers
Return on Information Security Investment - The Viability of an Anti-Spam Solution in a Wireless Environment
January 1, 2010, 12:00am PST
Much is said about the importance of investing in information security, but little is known on the ex-tent and effectiveness of such security programmes. A model that analyses the mechanics of an...
Provided by University of Malta
-
White Papers
Programming Compensations for System-Monitor Synchronisation
January 23, 2012, 12:00am PST
In security-critical systems such as online establishments, runtime analysis is crucial to detect and handle any unexpected behaviour. Due to resource-intensive operations carried out by such...
Provided by University of Malta
-
White Papers
Considerations for Monitoring Highly Concurrent Systems
January 28, 2012, 12:00am PST
Sequential monitoring tools such as Larva are impractical for monitoring highly concurrent systems such as online establishments handling hundreds of transactions a second - they lock valuable...
Provided by University of Malta
-
Whitepapers
A Block-Asynchronous Relaxation Method for Graphics Processing Units
October 14, 2012, 12:00am PDT
In this paper, the authors analyze the potential of asynchronous relaxation methods on Graphics Processing Units (GPUs). They develop asynchronous iteration algorithms in CUDA and compare them...
Provided by University of Malta
-
Whitepapers
From CUDA to OpenCL: Towards a Performance-Portable Solution for Multi-Platform GPU Programming
August 31, 2010, 12:00am PDT
In this paper, the authors evaluate OpenCL as a programming tool for developing performance-portable applications for GPGPU. While the Khronos group developed OpenCL with programming portability...
Provided by University of Malta
-
Whitepapers
An Approach to Ad Hoc Cloud Computing
February 25, 2010, 12:00am PST
The authors consider how underused computing resources within an enterprise may be harnessed to improve utilization and create an elastic computing infrastructure. Most current cloud provision...
Provided by University of Malta
-
Whitepapers
HierKNEM: An Adaptive Framework for Kernel-Assisted and Topology-Aware Collective Communications on Many-Core Clusters
January 25, 2012, 12:00am PST
Multicore Clusters, which have become the most prominent form of High Performance Computing (HPC) systems, challenge the performance of MPI applications with non uniform memory accesses and shared...
Provided by University of Malta
-
Whitepapers
Enhancing Parallelism of Tile Bidiagonal Transformation on Multicore Architectures Using Tree Reduction
January 26, 2012, 12:00am PST
This paper is to enhance the parallelism of the tile bi-diagonal transformation using tree reduction on multicore architectures. First introduced by Ltaief et. al, the bi-diagonal transformation...
Provided by University of Malta
-
Whitepapers
Wideband Spectrum Sensing Framework for Multiple Slow Frequency Hopping Primary Users
March 12, 2012, 12:00am PDT
Cognitive radios have been advanced as a solution to improve spectral efficiency through opportunistic access of the spectrum by unlicensed users. In order to achieve its objective, a cognitive...
Provided by University of Malta
-
Whitepapers
New and Accurate Results on the Performance of the Multitaper-Based Detector
May 24, 2012, 12:00am PDT
In this paper an accurate analysis is provided for the Multi-taper-based detector. The authors study the quadratic form representation of the Multi-Taper Estimate (MTE), and they derive accurate...
Provided by University of Malta
-
Whitepapers
An Accurate Model for Periodogram-Based Energy Detection Over Nakagami Fading
May 24, 2012, 12:00am PDT
Spectrum sensing is a major function within a cognitive radio system, and it is recently shown that the frequency-domain implementation of the energy detector yields a lower probability of false...
Provided by University of Malta
-
White Papers
Considerations for Monitoring Highly Concurrent Systems
January 28, 2012, 12:00am PST
Sequential monitoring tools such as Larva are impractical for monitoring highly concurrent systems such as online establishments handling hundreds of transactions a second - they lock valuable...
Provided by University of Malta
-
White Papers
Programming Compensations for System-Monitor Synchronisation
January 23, 2012, 12:00am PST
In security-critical systems such as online establishments, runtime analysis is crucial to detect and handle any unexpected behaviour. Due to resource-intensive operations carried out by such...
Provided by University of Malta
-
White Papers
Return on Information Security Investment - The Viability of an Anti-Spam Solution in a Wireless Environment
January 1, 2010, 12:00am PST
Much is said about the importance of investing in information security, but little is known on the ex-tent and effectiveness of such security programmes. A model that analyses the mechanics of an...
Provided by University of Malta
-
White Papers
Towards Peer-to-Peer Virtualized Service Hosting, Discovery and Delivery
July 11, 2011, 12:00am PDT
This paper introduces a peer-to-peer framework for providing, locating and consuming distributed services that are encapsulated within virtual machines. The authors believe that the decentralized...
Provided by University of Malta
-
White Papers
A Comparison of Software Analysis and Design Methods for Real Time Systems
June 9, 2009, 12:00am PDT
Real time analysis and development is an intricate process. This is because these systems exhibit special behavior. Real time timing, communication and reliability requirements are not easily...
Provided by University of Malta
-
White Papers
LARVA - Safer Monitoring of Real-Time Java Programs (Tool Paper)
August 28, 2009, 12:00am PDT
The use of runtime verification, as a lightweight approach to guarantee properties of systems, has been increasingly employed on real-life software. This paper presents the tool LARVA, for the...
Provided by University of Malta
-
White Papers
A Triple Graph Grammar (TGG) Approach for Mapping UML 2 Activities Into Petri Nets
February 10, 2010, 12:00am PST
Model-to-Model mapping offers several advantages over relational mapping. In model-to-model mapping an active correspondence is kept between two pairs of models. This is facilitated if visual...
Provided by University of Malta
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