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University of Southampton
(83 results)-
White Papers
A Categorisation of Cloud Computing Business Models
March 22, 2010, 12:00am PDT
This paper reviews current cloud computing business models and presents proposals on how organizations can achieve sustainability by adopting appropriate models. One classify cloud computing...
Provided by University of Southampton
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White Papers
Domain Knowledge Integration in Data Mining Using Decision Tables: Case Studies in Churn Prediction
November 18, 2008, 12:00am PST
Companies' interest in customer relationship modelling and key issues such as customer lifetime value and churn has substantially increased over the years. However, the complexity of building,...
Provided by University of Southampton
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White Papers
Sustainable Archiving and Storage Management of Audiovisual Digital Assets
April 16, 2009, 12:00am PDT
With the advent of end-to-end tapeless production and distribution, the whole concept of what it means to archive audiovisual content is being challenged. The traditional role of the archive as a...
Provided by University of Southampton
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White Papers
SemWeB Semantic Web Browser - Improving Browsing Experience With Semantic and Personalized Information and Hyperlinks
May 17, 2009, 12:00am PDT
Imagine a Web browser that can understand the context of a Web page and recommends related semantic hyperlinks in any Web domain. In addition, imagine this browser also understands one's browsing...
Provided by University of Southampton
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White Papers
URI Identity Management for Semantic Web Data Integration and Linkage
February 7, 2009, 12:00am PST
With the increase in the usage of the formats such as OWL and RDF for knowledge representation, the semantic web system acts as a great application for managing, manipulating and displaying data...
Provided by University of Southampton
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White Papers
Experiences Using the UML Profile for MARTE to Stochastically Model Post-Production Interactive Applications
May 11, 2010, 12:00am PDT
This paper describes a practical approach applying the UML 2.0 standard MARTE profile to model stochastic interactive application workflows, using the PapyrusUML editor. The paper uses the PaStep,...
Provided by University of Southampton
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White Papers
Implementations of Virtual Organization in the Wireless Home Networking Environments
January 1, 2010, 12:00am PST
The objective and motivation for this paper is to simplify the deployment for Virtual Organization (VO) and investigate the possibilities to deploy in smaller areas and in the Wireless Local Area...
Provided by University of Southampton
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White Papers
Cloud Business Models and Sustainability: Impacts for Businesses and e-Research
August 29, 2010, 12:00am PDT
Cloud Computing provides added value for organisations; saving costs in operations, resources and staff - as well as new business opportunities for service-oriented models. Achieving long-term...
Provided by University of Southampton
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White Papers
Designing Energy-Aware Adaptive Routing for Wireless Sensor Networks
January 1, 2010, 12:00am PST
Many energy-aware routing protocols take into account the residual battery power in sensor nodes or/and the energy required for transmission along the path. In the deployment of an environmental...
Provided by University of Southampton
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White Papers
Electronic Book of Network Security: Introduction to Network Security
October 7, 2010, 12:00am PDT
Technology is now widely used in a variety of educational support situations to improve the quality of education. It can be used to redress the imbalances of the old system and help in developing...
Provided by University of Southampton
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White Papers
Using Cloud for Research: A Technical Review
June 1, 2010, 12:00am PDT
The purpose of the TeciRes project was to conduct a technical review of the current landscape within cloud computing to establish the extent to which existing solutions meet encountered and...
Provided by University of Southampton
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White Papers
An Analysis Of The Applicability Of Credit Scoring For Microfinance
May 19, 2009, 12:00am PDT
Credit scoring has been successfully applied in domains as mortgage loans and credit cards. This paper analyzes whether credit scoring should be adopted in microfinance institutions. Previous...
Provided by University of Southampton
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White Papers
Scalability and Robustness of a Market-Based Network Resource Allocation System
December 2, 2009, 12:00am PST
This paper considers issues related to scalability and robustness in designing a market-based multi-agent system that allocates bandwidth in a communications network. Specically, an empirical...
Provided by University of Southampton
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White Papers
Managing Co-Reference on the Semantic Web
April 20, 2009, 12:00am PDT
Co-reference resolution, or the determination of 'Equivalent' URIs referring to the same concept or entity, is a significant hurdle to overcome in the realisation of large scale Semantic Web...
Provided by University of Southampton
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Whitepapers
Barrage Relay Networks for Cooperative Transport in Tactical MANETS
September 17, 2008, 12:00am PDT
Barrage Relay Networks (BRNs) are Mobile Ad-hoc NETworks (MANETs) based on an autonomous cooperative communication scheme that allows any number of radios to cooperate in sending a given message...
Provided by University of Southampton
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White Papers
SMT-Based BoundedModel Checking for Embedded ANSI-C Software
July 13, 2009, 12:00am PDT
Propositional bounded model checking has been applied successfully to verify embedded software but is limited by the increasing propositional formula size and the loss of structure during the...
Provided by University of Southampton
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White Papers
Exploitation of Machine Learning Techniques in Modeling Phrase Movements for Machine Translation
January 4, 2011, 12:00am PST
The authors propose a Distance Phrase Reordering model (DPR) for Statistical Machine Translation (SMT), where the aim is to learn the grammatical rules and context dependent changes using a phrase...
Provided by University of Southampton
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White Papers
Continuous Verification of Large Embedded Software Using SMT-Based Bounded Model Checking
November 19, 2009, 12:00am PST
The complexity of software in embedded systems has increased significantly over the last years so that software verification now plays an important role in ensuring the overall product quality. In...
Provided by University of Southampton
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White Papers
Private Information, Bid-Ask Spreads And Return Volatility In The Foreign Exchange Market
June 18, 2007, 12:00am PDT
Trading volume and order flow have both been closely associated with informed trader activity in the market microstructure literature. Using theory that explains regular intraday patterns in...
Provided by University of Southampton
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White Papers
Macroeconomic Confusion
June 30, 2010, 12:00am PDT
The "New Classical Macroeconomists" seem to pride themselves of pursuing a rigorous approach to macroeconomic phenomena (LUCAS and SARGENT, 1979). Yet its foundations are shaky, and its...
Provided by University of Southampton
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White Papers
Semantic Networks and Shared Understanding: A Network-Based Approach to Representing and Visualizing Shared Understanding
July 29, 2010, 12:00am PDT
Semantic networks were developed in the organizational communication literature to provide a means of representing the shared interpretations that people have of organizational message content....
Provided by University of Southampton
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White Papers
Modelling the Dynamics of Collective Cognition: A Network-Based Approach to Socially-Mediated Cognitive Change
July 29, 2010, 12:00am PDT
A number of studies in the network science literature have attempted to model the effect of network structure on cognitive state fluctuations in social networks. For the most part, these networks...
Provided by University of Southampton
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White Papers
Dynamic Networks and Distributed Problem-Solving
September 2, 2010, 12:00am PDT
The effect of dynamic networks on distributed problem-solving was examined using a multi-agent simulation environment. Synthetic agents were tasked with the problem of finding optimal solutions to...
Provided by University of Southampton
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Whitepapers
Topologically Adaptive Parallel Breadth-First Search on Multicore Processors
February 16, 2010, 12:00am PST
Breadth-First Search (BFS) is a fundamental graph theory algorithm that is extensively used to abstract various challenging computational problems. Due to the fine-grained irregular memory...
Provided by University of Southampton
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Whitepapers
A Scalable Pipeline Architecture for Line Rate Packet Classification on FPGAs
September 22, 2009, 12:00am PDT
Multi-dimensional packet classification is a key function for networking applications in high-speed routers. Although a multitude of research has explored this area, efficient packet...
Provided by University of Southampton
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Whitepapers
Junction Tree Decomposition for Parallel Exact Inference
February 12, 2008, 12:00am PST
The authors present a junction tree decomposition based algorithm for parallel exact inference. This is a novel parallel exact inference method for evidence propagation in an arbitrary junction...
Provided by University of Southampton
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Whitepapers
Parallel IP Lookup Using Multiple SRAM-Based Pipelines
February 4, 2008, 12:00am PST
Pipelined SRAM-based algorithmic solutions have become competitive alternatives to TCAMs (Ternary Content Addressable Memories) for high throughput IP lookup. Multiple pipelines can be utilized in...
Provided by University of Southampton
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Whitepapers
Adaptive Energy Forecasting and Information Diffusion for Smart Power Grids
May 11, 2012, 12:00am PDT
Smart Power Grids exemplify an emerging class of Cyber Physical Applications that exhibit Dynamic, Distributed and Data intensive (D3) characteristics along with an always-on paradigm to support...
Provided by University of Southampton
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Whitepapers
Scalable Regression Tree Learning on Hadoop Using OpenPlanet
April 3, 2012, 12:00am PDT
As scientific and engineering domains attempt to effectively analyze the deluge of data arriving from sensors and instruments, machine learning is becoming a key data mining tool to build...
Provided by University of Southampton
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Whitepapers
Maximum-Likelihood Blind PAM Detection
May 24, 2012, 12:00am PDT
Blind sequence detection offers significant gains over conventional symbol-by-symbol detection when channel knowledge is not available at the receiver. However, Maximum-Likelihood (ML) blind...
Provided by University of Southampton
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Whitepapers
Wireless Video Content Delivery Through Coded Distributed Caching
May 24, 2012, 12:00am PDT
The authors suggest a novel approach to handle the ongoing explosive increase in the demand for video content in mobile devices. They envision femtocell-like base stations, which they call...
Provided by University of Southampton
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Whitepapers
Quality of Information Maximization in Two-Hop Wireless Networks
May 24, 2012, 12:00am PDT
An information collection problem in a wireless network with random events is considered. Wireless nodes report on each event using one of multiple reporting formats. Each format has a different...
Provided by University of Southampton
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Whitepapers
Distributed Storage Allocations
June 12, 2012, 12:00am PDT
The authors examine the problem of allocating a given total storage budget in a distributed storage system for maximum reliability. A source has a single data object that is to be coded and stored...
Provided by University of Southampton
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Whitepapers
The Impact of Secure OSs on Internet Security: What Cyber-Insurers Need to Know
February 4, 2012, 12:00am PST
In recent years, researchers have proposed cyberinsurance as a suitable risk-management technique for enhancing security in Internet-like distributed systems. However, amongst other factors,...
Provided by University of Southampton
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Whitepapers
Cyber-Insurance in Internet Security: A Dig Into the Information Asymmetry Problem
February 4, 2012, 12:00am PST
Internet users such as individuals and organizations are subject to different types of epidemic risks such as worms, viruses, spams, and botnets. To reduce the probability of risk, an Internet...
Provided by University of Southampton
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Whitepapers
A Novel Cyber-Insurance for Internet Security
January 24, 2011, 12:00am PST
Internet users such as individuals and organizations are subject to different types of epidemic risks such as worms, viruses, and botnets. To reduce the probability of risk, an Internet user...
Provided by University of Southampton
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Whitepapers
Modeling Internet Security Investments: The Case of Dealing with Information Uncertainty
April 4, 2011, 12:00am PDT
Modern distributed communication networks like the Internet and censorship-resistant networks (also a part of the Internet) are characterized by nodes (users) interconnected with one another via...
Provided by University of Southampton
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Whitepapers
The Live Social Semantics Application: A Platform for Integrating Face-to-Face Presence with On-Line Social Networking
October 16, 2009, 12:00am PDT
The authors describe a novel application that integrates real-world data on the face-to-face proximity of individuals with their identities and contacts in on-line social networks. This...
Provided by University of Southampton
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Whitepapers
Enriching Lifelong User Modelling with the Social e-Networking and e-Commerce "Pieces of the Puzzle"
March 5, 2009, 12:00am PST
Lifelong User Modeling (LUM) is a long-term vision which is a critical element in achieving lifelong personalized learning. One of the key factors for enabling LUM is making the user models...
Provided by University of Southampton
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Whitepapers
Delay Comparison of Automatic Repeat Request Assisted Butterfly Networks
June 25, 2010, 12:00am PDT
The average burst delay and the Standard Deviation (SD) of burst delay in the context of the butterfly networks are investigated and compared, when three types of Automatic Repeat reQuest (ARQ)...
Provided by University of Southampton
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Whitepapers
Ultra-Wide Bandwidth Timing Networks
June 15, 2012, 12:00am PDT
The authors present an algorithm for ultra-precise timing in large wireless networks. Their approach uses physical-layer UWB round-trip time-of-flight measurements to achieve precise timing...
Provided by University of Southampton
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Whitepapers
Cryptonite: A Secure and Performant Data Repository on Public Clouds
May 6, 2012, 12:00am PDT
Cloud storage has become immensely popular for maintaining synchronized copies of files and for sharing documents with collaborators. However, there is heightened concern about the security and...
Provided by University of Southampton
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Whitepapers
Cross-Layer Design for Wireless Video Streaming
October 27, 2009, 12:00am PDT
The authors present a cross-layer approach to the design of a wireless video streaming system, which includes the development of an adaptive radio link buffer and congestion control algorithm and...
Provided by University of Southampton
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Whitepapers
Optimal Throughput-Outage Trade-off in Wireless One-Hop Caching Networks
February 8, 2013, 12:00am PST
The authors consider a wireless Device-To-Device (D2D) network where the nodes have cached information from a library of possible files. Inspired by the current trend in the standardization of the...
Provided by University of Southampton
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Whitepapers
On the Required Accuracy of Transmitter Channel State Information in Multiple Antenna Broadcast Channels
November 25, 2007, 12:00am PST
A multiple antenna broadcast channel (multiple transmit antennas, one antenna at each receiver) with imperfect channel state information available to the transmitter is considered. If perfect...
Provided by University of Southampton
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Whitepapers
Heat Diffusion Algorithm for Resource Allocation and Routing in Multihop Wireless Networks
November 21, 2012, 12:00am PST
The authors propose a new scheduling and routing approach, the Heat Diffusion (HD) protocol, using combinatorial analogue of the heat equation in mathematical physics. The algorithm holds for...
Provided by University of Southampton
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Whitepapers
Scientific Workflows in the Cloud
April 30, 2010, 12:00am PDT
The development of cloud computing has generated significant interest in the scientific computing community. In this paper, the authors consider the impact of cloud computing on scientific...
Provided by University of Southampton
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Whitepapers
Experiences Using GlideinWMS and the Corral Frontend Across Cyberinfrastructures
September 29, 2011, 12:00am PDT
Even with Grid technologies, the main mode of access for the current high performance computing and high throughput computing infrastructures today is logging in via ssh. This mode of access locks...
Provided by University of Southampton
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Whitepapers
Peer-to-Peer Data Sharing for Scientific Workflows on Amazon EC2
October 25, 2012, 12:00am PDT
In this paper, the authors consider the problem of data sharing in scientific workflows running on the cloud. They present the design and evaluation of a peer-to-peer approach to help solve this...
Provided by University of Southampton
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Whitepapers
Dynamics of Social Interactions in a Network Game
October 9, 2011, 12:00am PDT
The authors characterize the social dynamics of human players in a transactional online game. They introduce two new approaches for understanding temporal behavior: the introduction of entropy...
Provided by University of Southampton
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Whitepapers
Interference Focusing for Mitigating Cross-Phase Modulation in a Simplified Optical Fiber Model
April 30, 2010, 12:00am PDT
A memoryless interference network model is introduced that is based on non-linear phenomena observed when transmitting information over optical fiber using wavelength-division multiplexing. The...
Provided by University of Southampton
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Whitepapers
Statistical Analysis of the Owl:sameAs Network for Aligning Concepts in the Linking Open Data Cloud
June 8, 2012, 12:00am PDT
The massively distributed publication of linked data has brought to the attention of scientific community the limitations of classic methods for achieving data integration and the opportunities of...
Provided by University of Southampton
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Whitepapers
Delay Comparison of Automatic Repeat Request Assisted Butterfly Networks
June 25, 2010, 12:00am PDT
The average burst delay and the Standard Deviation (SD) of burst delay in the context of the butterfly networks are investigated and compared, when three types of Automatic Repeat reQuest (ARQ)...
Provided by University of Southampton
-
Whitepapers
Enriching Lifelong User Modelling with the Social e-Networking and e-Commerce "Pieces of the Puzzle"
March 5, 2009, 12:00am PST
Lifelong User Modeling (LUM) is a long-term vision which is a critical element in achieving lifelong personalized learning. One of the key factors for enabling LUM is making the user models...
Provided by University of Southampton
-
Whitepapers
The Live Social Semantics Application: A Platform for Integrating Face-to-Face Presence with On-Line Social Networking
October 16, 2009, 12:00am PDT
The authors describe a novel application that integrates real-world data on the face-to-face proximity of individuals with their identities and contacts in on-line social networks. This...
Provided by University of Southampton
-
Whitepapers
Modeling Internet Security Investments: The Case of Dealing with Information Uncertainty
April 4, 2011, 12:00am PDT
Modern distributed communication networks like the Internet and censorship-resistant networks (also a part of the Internet) are characterized by nodes (users) interconnected with one another via...
Provided by University of Southampton
-
Whitepapers
A Novel Cyber-Insurance for Internet Security
January 24, 2011, 12:00am PST
Internet users such as individuals and organizations are subject to different types of epidemic risks such as worms, viruses, and botnets. To reduce the probability of risk, an Internet user...
Provided by University of Southampton
-
Whitepapers
Cyber-Insurance in Internet Security: A Dig Into the Information Asymmetry Problem
February 4, 2012, 12:00am PST
Internet users such as individuals and organizations are subject to different types of epidemic risks such as worms, viruses, spams, and botnets. To reduce the probability of risk, an Internet...
Provided by University of Southampton
-
Whitepapers
The Impact of Secure OSs on Internet Security: What Cyber-Insurers Need to Know
February 4, 2012, 12:00am PST
In recent years, researchers have proposed cyberinsurance as a suitable risk-management technique for enhancing security in Internet-like distributed systems. However, amongst other factors,...
Provided by University of Southampton
-
Whitepapers
Distributed Storage Allocations
June 12, 2012, 12:00am PDT
The authors examine the problem of allocating a given total storage budget in a distributed storage system for maximum reliability. A source has a single data object that is to be coded and stored...
Provided by University of Southampton
-
Whitepapers
Quality of Information Maximization in Two-Hop Wireless Networks
May 24, 2012, 12:00am PDT
An information collection problem in a wireless network with random events is considered. Wireless nodes report on each event using one of multiple reporting formats. Each format has a different...
Provided by University of Southampton
-
Whitepapers
Wireless Video Content Delivery Through Coded Distributed Caching
May 24, 2012, 12:00am PDT
The authors suggest a novel approach to handle the ongoing explosive increase in the demand for video content in mobile devices. They envision femtocell-like base stations, which they call...
Provided by University of Southampton
-
Whitepapers
Maximum-Likelihood Blind PAM Detection
May 24, 2012, 12:00am PDT
Blind sequence detection offers significant gains over conventional symbol-by-symbol detection when channel knowledge is not available at the receiver. However, Maximum-Likelihood (ML) blind...
Provided by University of Southampton
-
Whitepapers
Scalable Regression Tree Learning on Hadoop Using OpenPlanet
April 3, 2012, 12:00am PDT
As scientific and engineering domains attempt to effectively analyze the deluge of data arriving from sensors and instruments, machine learning is becoming a key data mining tool to build...
Provided by University of Southampton
-
Whitepapers
Adaptive Energy Forecasting and Information Diffusion for Smart Power Grids
May 11, 2012, 12:00am PDT
Smart Power Grids exemplify an emerging class of Cyber Physical Applications that exhibit Dynamic, Distributed and Data intensive (D3) characteristics along with an always-on paradigm to support...
Provided by University of Southampton
-
Whitepapers
Parallel IP Lookup Using Multiple SRAM-Based Pipelines
February 4, 2008, 12:00am PST
Pipelined SRAM-based algorithmic solutions have become competitive alternatives to TCAMs (Ternary Content Addressable Memories) for high throughput IP lookup. Multiple pipelines can be utilized in...
Provided by University of Southampton
-
Whitepapers
Junction Tree Decomposition for Parallel Exact Inference
February 12, 2008, 12:00am PST
The authors present a junction tree decomposition based algorithm for parallel exact inference. This is a novel parallel exact inference method for evidence propagation in an arbitrary junction...
Provided by University of Southampton
-
Whitepapers
A Scalable Pipeline Architecture for Line Rate Packet Classification on FPGAs
September 22, 2009, 12:00am PDT
Multi-dimensional packet classification is a key function for networking applications in high-speed routers. Although a multitude of research has explored this area, efficient packet...
Provided by University of Southampton
-
Whitepapers
Topologically Adaptive Parallel Breadth-First Search on Multicore Processors
February 16, 2010, 12:00am PST
Breadth-First Search (BFS) is a fundamental graph theory algorithm that is extensively used to abstract various challenging computational problems. Due to the fine-grained irregular memory...
Provided by University of Southampton
-
Whitepapers
Barrage Relay Networks for Cooperative Transport in Tactical MANETS
September 17, 2008, 12:00am PDT
Barrage Relay Networks (BRNs) are Mobile Ad-hoc NETworks (MANETs) based on an autonomous cooperative communication scheme that allows any number of radios to cooperate in sending a given message...
Provided by University of Southampton
-
Whitepapers
An Accurate Range-Only Tracking System Using Wireless Sensor Networks
August 27, 2009, 12:00am PDT
This paper discusses the design of a real-time tracking system targeted for deployment in wireless sensor networks. The proposed system, utilizes accumulated range data from a number of anchor...
Provided by University of Southampton
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Whitepapers
A Structured Hardware/Software Architecture for Embedded Sensor Nodes
May 8, 2008, 12:00am PDT
Owing to the limited requirement for sensor processing in early networked sensor nodes, embedded software was generally built around the communication stack. Modern sensor nodes have evolved to...
Provided by University of Southampton
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Whitepapers
Energy Devices for Sensor Networks: Properties for Simulation and Deployment
March 6, 2009, 12:00am PST
Recent developments in microcontroller, radio transceiver, and energy harvesting device design now permit wireless sensor nodes to operate indefinitely from power scavenged from their environment....
Provided by University of Southampton
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Whitepapers
Energy-Aware Simulation for Wireless Sensor Networks
April 30, 2009, 12:00am PDT
Energy-aware sensor nodes are usually tightly energy-constrained, execute energy-efficient algorithms, have the ability to interrogate and control the devices used for storing and consuming...
Provided by University of Southampton
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Whitepapers
Towards a Principled and Evolvable Approach to Software Development for Future Wireless Sensor Networks
March 30, 2012, 12:00am PDT
Due to the operational demands and requirements diversity in Wireless Sensor Networks (WSNs), great improvements in the software engineering process are required. As WSNs increasingly become...
Provided by University of Southampton
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Whitepapers
Design and Comparative Analysis of Single-Path and Epidemic Approaches to Information and Energy Management in Wireless Sensor Networks
April 30, 2012, 12:00am PDT
Intelligent energy management is a key challenge in Wireless Sensor Networks. The choice of an appropriate routing algorithm constitutes a critical factor, especially in unstructured networks...
Provided by University of Southampton
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Whitepapers
Supercapacitor Leakage in Energy-Harvesting Sensor Nodes: Fact or Fiction?
May 8, 2012, 12:00am PDT
As interest in energy-harvesting sensor nodes continues to grow, the use of super-capacitors as energy stores or buffers is gaining popularity. The reasons for their use are numerous, and include...
Provided by University of Southampton
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White Papers
Secure Naming for a Network of Information
February 24, 2010, 12:00am PST
Several projects propose an information-centric approach to the network of the future. Such an approach makes efficient content distribution possible by making information retrieval...
Provided by University of Southampton
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White Papers
Power Versus Bandwidth Efficiency in Wireless Communications: The Economic Perspective
January 1, 2012, 12:00am PST
The authors carry out a comprehensive analysis of a range of wireless network efficiency considerations. Firstly, they explore the properties and the implications of the power-versus bandwidth...
Provided by University of Southampton
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White Papers
Distributed Downlink Multi-Cell Processing Requiring Reduced-Rate Back-Haul Data Exchange
January 26, 2011, 12:00am PST
Different-complexity Multi-Cell Processing (MCP) schemes employing Distributed Signal-to-Interference-Leakage-plus-Noise-Ratio (SILNR) pre-coding techniques are proposed, which require reduced...
Provided by University of Southampton
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