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Lancaster University
(135 results)-
White Papers
Experiences of Supporting Local and Remote Mobile Phone Interaction With Touchscreen Based Situated Displays
June 16, 2009, 12:00am PDT
The use of mobile phones appears to provide a range of opportunities for supporting interaction with public displays. Furthermore, such interaction can help overcome some of the problems...
Provided by Lancaster University
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White Papers
Intensive Movement in Wireless Digital Signal Processing: From Calculation to Envelopment
December 9, 2008, 12:00am PST
The paper broadly concerns the set of algorithmic processes associated with wireless networks known as 'Digital Signal Processing' (DSP). By virtue of its labyrinthine technical complexity,...
Provided by Lancaster University
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White Papers
A Novel 3D Game API for Symbian OS Smartphones
January 5, 2009, 12:00am PST
Mobile phones are becoming one of the major personal entertainment devices amongst the general public. The author is currently seeing a paradigm shift from the traditional voice-centric...
Provided by Lancaster University
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White Papers
Evaluating Xen for Router Virtualization
January 1, 2010, 12:00am PST
In this paper, the performance of a software IP router forwarding plane inside the Xen virtual machine monitor environment is evaluated with a view to identifying (some) design issues in Virtual...
Provided by Lancaster University
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White Papers
Network Virtualization Architecture: Proposal and Initial Prototype
July 16, 2009, 12:00am PDT
The tussle between reliability and functionality of the Internet is firmly biased on the side of reliability. New enabling technologies fail to achieve traction across the majority of ISPs. It is...
Provided by Lancaster University
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White Papers
Exploring the Display in Disaster Recovery
December 1, 2008, 12:00am PST
This paper considers how people close to the earthquake in Sichuan in May this year engaged with different kinds of displays immediately afterwards - their home computer, mobile phones, public...
Provided by Lancaster University
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White Papers
Improving Quality in Business Process Outsourcing Through Technology
April 22, 2009, 12:00am PDT
Sufficient evidence shows that Business Process Outsourcing (BPO) is growing rapidly. Technological and communication advances help realize the wide-spread adoption of BPO, due to their quality...
Provided by Lancaster University
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White Papers
A Lintner Model Of Dividends And Managerial Rents
February 13, 2010, 12:00am PST
The authors develop a model where dividend payout, investment and financing decisions are made by managers who attempt to maximize the rents they take from the firm. But outside shareholders can...
Provided by Lancaster University
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White Papers
An Architecture for Pseudonymous e-Commerce
November 7, 2007, 12:00am PST
Current e-commerce practice enforces a customer to disclose his/her identify to the e-shop. The use of credit cards makes it straightforward for an e-shop to know the real identity of its...
Provided by Lancaster University
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White Papers
RouteBricks: Exploiting Parallelism to Scale Software Routers
August 8, 2009, 12:00am PDT
The authors revisit the problem of scaling software routers, motivated by recent advances in server technology that enable high-speed parallel processing - a feature router workloads appear...
Provided by Lancaster University
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White Papers
How Is The Relationship Significance Brought About? A Critical Realist Approach
August 18, 2008, 12:00am PDT
This paper examines how the use of performance indicators are intertwined with the definition of managerial responsibilities and accountability mechanisms within a fuel retailing company....
Provided by Lancaster University
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White Papers
How Performance Metrics Help Shape Markets
August 18, 2008, 12:00am PDT
This paper examines how the use of performance indicators are intertwined with the definition of managerial responsibilities and accountability mechanisms within a fuel retailing company....
Provided by Lancaster University
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White Papers
An Interaction And Networks Approach To Sustainable Marketing: Creating A Context for Connectivity, Dialogue And Learning
August 18, 2008, 12:00am PDT
In this paper the authors present an interactions and networks approach to sustainable marketing which incorporates interorganisational dyad, network and system levels of analysis. The proposed...
Provided by Lancaster University
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White Papers
Business Model As An Institution: The Case Of First Iranian Public Private Partnership In Healthcare Industry
April 1, 2010, 12:00am PDT
As a result of the author's first year PhD in Marketing Department Lancaster University, this paper proposal outlines a theoretical underpinning of new approach to study of business models concept...
Provided by Lancaster University
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White Papers
Signalling Sustainability Strategies: Preliminary Findings From Two Case Studies
August 28, 2010, 12:00am PDT
The purpose of this paper is to develop the understanding on how sustainability strategies emerge. Two case studies focusing on business groups from the cork and electrical equipment sectors are...
Provided by Lancaster University
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White Papers
Market Shaping And Valuation In The Ugandan Coffee Market
August 26, 2010, 12:00am PDT
This paper project seeks to explain from a market practice perspective how the coffee market in Uganda is shaped, and draws from the works of Çaliskan and Callon (2009) and anthropology to...
Provided by Lancaster University
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White Papers
The Practice Of Business Models
August 28, 2010, 12:00am PDT
This paper examines the concept of business models. Through the paper of secondary data from the recorded sound industry, the authors explore how business models change over time. The history of...
Provided by Lancaster University
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White Papers
Understanding The Impact Of Marketing - Purchasing Collaboration On Improving Firm Performance: An Empirical Study Of A Transitional Economy
August 26, 2010, 12:00am PDT
Improving business relationships in complex business networks requires at least two distinctive competences with regard to the marketing function of a firm. Firstly, the company needs to develop a...
Provided by Lancaster University
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White Papers
Interacted Service In Business Networks
August 29, 2010, 12:00am PDT
This paper builds on developments within IMP research and within the literature on Service Dominant Logic and advances the idea of interacted service in business networks. Interacted service...
Provided by Lancaster University
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White Papers
Novating Knowledge In Business Networks: Facilitating Cognitive Consistency In The Construction Industry
September 1, 2009, 12:00am PDT
Loose couplings within a network are thought to inhibit learning and innovation as evidenced in the construction industry characterised by its loose couplings in the permanent network and tight...
Provided by Lancaster University
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White Papers
Is Market Orientation Driving Relational Capabilities Development? The Case Of Russian Industrial Firms
September 1, 2009, 12:00am PDT
The paper investigates the role of market orientation as a driver of the development of relational capabilities in Russian firms. The paper tests the role of market orientation not only as a...
Provided by Lancaster University
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White Papers
Asymmetric Loss Functions And The Rationality Of Expected Stock Returns
January 15, 2007, 12:00am PST
The authors revisit the often rejected rationality of stock market return expectations obtained from survey data. In contrast to other studies, they analyze a recent sample period (1992 - 2004),...
Provided by Lancaster University
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White Papers
Using WS-BPEL to Implement Software Fault Tolerance for Web Services
June 8, 2006, 12:00am PDT
One area of the web services architecture yet to be standardised is that of fault tolerance for services. At the same time, WS-BPEL is moving from a de facto standard to an OASIS ratified standard...
Provided by Lancaster University
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White Papers
Using a Grid-Enabled Wireless Sensor Network for Flood Management
June 17, 2006, 12:00am PDT
Flooding is an increasingly serious problem, especially as population pressures lead to increased building on flood plains. Currently, hydrologists deploy sensors at sites susceptible to flooding...
Provided by Lancaster University
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White Papers
The Role of Reflective Middleware in Supporting Flexible Security Policies
January 1, 2011, 12:00am PST
Next generation middleware must support applications in the face of increasing diversity in interaction paradigms, end system types and network styles. Therefore, to secure applications, flexible...
Provided by Lancaster University
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White Papers
RuleCaster: A Macroprogramming System for Sensor Networks
August 9, 2006, 12:00am PDT
Progress in the development of small low-powered hardware, wireless networking, sensor technology and software services make it possible to build radically new kinds of applications. These sensor...
Provided by Lancaster University
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White Papers
Revisiting Ontology-Based Requirements Engineering in the Age of the Semantic Web
November 5, 2006, 12:00am PST
There is a long history of research into utilising ontologies in the requirements engineering process. An ontology is generally based upon some logical formalism, and has the benefits for...
Provided by Lancaster University
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White Papers
OWL and OWL-S for Dependability-Explicit Service-Centric Computing
July 26, 2006, 12:00am PDT
In this paper a position has been stated on the use of OWL for dependability specification. This has potential advantages not only in terms of disambiguation of specifications, but in machine...
Provided by Lancaster University
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White Papers
Locating Physical Interface Objects on Interactive Surfaces
July 13, 2007, 12:00am PDT
Pin&Play has enabled a new type of surface-based physical user interface, characterised by dynamic arrangement of interface objects on a surface area. Previous work has shown that this affords...
Provided by Lancaster University
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White Papers
Is a Dominant Service-Centric Sector Good for Diversity of Provision?
July 27, 2006, 12:00am PDT
An obvious assumption underpinning the immense interest in service-oriented computing is that it is an inherently good thing, by which the authors mean that robust processes and tools for...
Provided by Lancaster University
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White Papers
Disambiguating Availability Specification Through the Use of OWL
October 4, 2006, 12:00am PDT
Many Quality of Service (QoS) languages exist. However, not only do few encompass dependability, none acknowledge the semantic complexity of the vocabulary they provide. This paper presents a...
Provided by Lancaster University
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White Papers
An Authentication Protocol Using Ultrasonic Ranging
October 1, 2006, 12:00am PDT
This paper presents a method for establishing and securing spontaneous interactions on the basis of spatial references which are obtained by accurate sensing of relative device positions....
Provided by Lancaster University
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White Papers
Mobile Interaction With the Real World: An Evaluation and Comparison of Physical Mobile Interaction Techniques
August 30, 2007, 12:00am PDT
Mobile devices are more and more used for mobile interactions with things, places and people in the real world. However, so far no studies have discussed which interaction techniques are preferred...
Provided by Lancaster University
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White Papers
On the Long-Range Dependent Behavior of Unidirectional Packet Delay of Wireless Traffic
July 28, 2007, 12:00am PDT
In contrast to aggregate inter-packet metrics that quantify the arrival processes of aggregate traffic at a single point in the network, intraflow end-to-end per-packet performance metrics assess...
Provided by Lancaster University
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White Papers
The Case for Aspect-Oriented Reflective Middleware
July 30, 2007, 12:00am PDT
The emergence of applications domains such as pervasive and autonomic computing has increased the need for customisation and dynamic adaptation of both distributed systems, and the underlying...
Provided by Lancaster University
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White Papers
A Survey-Based Study of Grid Traffic
June 1, 2007, 12:00am PDT
Grid computing offers the prospect of harnessing huge amounts of computational resources. However, it is being argued that such potential cannot be fully exploited due to the nature of the...
Provided by Lancaster University
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White Papers
Measurement and Analysis of Intraflow Performance Characteristics of Wireless Traffic
August 1, 2007, 12:00am PDT
It is by now widely accepted that the arrival process of aggregate network traffic exhibits self-similar characteristics which result in the preservation of traffic burstiness (high variability)...
Provided by Lancaster University
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White Papers
The Mobile Teleporter: A Video Follow-Me System
October 9, 2007, 12:00am PDT
As mobile devices become more powerful, they affect the everyday lives in ways the authors don't even realize. Meanwhile, the need for available services in an ever changing, dynamic environment,...
Provided by Lancaster University
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White Papers
Using a Spatial Context Authentication Proxy for Establishing Secure Wireless Connections
July 13, 2007, 12:00am PDT
Spontaneous interaction in wireless ad-hoc networks is often desirable not only between users or devices in direct contact, but also with devices that are accessible only via a wireless network....
Provided by Lancaster University
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White Papers
Task-Centered Information Management
February 15, 2007, 12:00am PST
The goal of DELOS Task 4.8 Task-centered Information Management is to provide the user with a Task-centered Information Management system (TIM), which automates user's most frequent activities, by...
Provided by Lancaster University
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White Papers
On the Characterization of Network Traffic Dynamics
February 3, 2011, 12:00am PST
Characterizing backbone networks poses a significant challenge due to the unstable and fluctuated behavior exhibited by network traffic dynamics. Modeling techniques developed for volume-based...
Provided by Lancaster University
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White Papers
Practical Network Coding in Sensor Networks: Quo Vadis?
April 4, 2012, 12:00am PDT
Network coding is a novel concept for improving network capacity. This additional capacity may be used to increase throughput or reliability. Also in wireless networks, network coding has been...
Provided by Lancaster University
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White Papers
Software for Schenkerian Analysis
May 23, 2011, 12:00am PDT
Software developed to automate the process of Schenkerian analysis is described. The current state of the art is that moderately good analyzes of small extracts can be generated, but more...
Provided by Lancaster University
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White Papers
An Aspect-Oriented and Model-Driven Approach for Managing Dynamic Variability
May 24, 2008, 12:00am PDT
Constructing and executing distributed systems that can adapt to their operating context in order to sustain provided services and the service qualities are complex tasks. Managing adaptation of...
Provided by Lancaster University
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White Papers
On the Contributions of an End-to-End AOSD Testbed
March 2, 2007, 12:00am PST
Aspect-Oriented Software Development (AOSD) techniques are gaining increased attention from both academic and industrial organisations. In order to promote a smooth adoption of such techniques it...
Provided by Lancaster University
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White Papers
A Generic Self-Repair Approach for Overlays
November 1, 2006, 12:00am PST
Self-repair is a key area of functionality in overlay networks, especially as overlays become increasingly widely deployed and relied upon. Today's common practice is for each overlay to implement...
Provided by Lancaster University
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White Papers
6LoWPAN Extension for IPsec
February 11, 2011, 12:00am PST
Real-world deployments of Wireless Sensor Networks (WSNs) require secure communication. Recently, WSNs and traditional IP networks are more tightly integrated using IPv6 and 6LoWPAN. Available...
Provided by Lancaster University
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White Papers
Authentication in Stealth Distributed Hash Tables
June 7, 2006, 12:00am PDT
Most existing DHT algorithms assume that all nodes have equal capabilities. This assumption has previously been shown to be untrue in real deployments, where the heterogeneity of nodes can...
Provided by Lancaster University
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White Papers
Domain Models Are NOT Aspect Free
July 7, 2006, 12:00am PDT
In proceedings of MoDELS/UML 2005, Steimann argues that domain models are aspect free. Steimann's hypothesis is that the notion of aspect in Aspect-Oriented Software Development (AOSD) is a...
Provided by Lancaster University
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White Papers
On the Modular Representation of Architectural Aspects
August 1, 2006, 12:00am PDT
An architectural aspect is a concern that cuts across architecture modularity units and cannot be effectively modularized using the given abstractions of conventional Architecture Description...
Provided by Lancaster University
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White Papers
Driving and Managing Architectural Decisions With Aspects
June 11, 2006, 12:00am PDT
Software architects face decisions every day which have a broadly-scoped impact on the software architecture. These decisions are the core of the architecting process as they typically have...
Provided by Lancaster University
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White Papers
Quantifying the Effects of Aspect-Oriented Programming: A Maintenance Study
July 15, 2006, 12:00am PDT
One of the main promises of Aspect-Oriented Programming (AOP) is to promote improved modularization of crosscutting concerns, thereby enhancing the software stability in the presence of changes....
Provided by Lancaster University
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White Papers
Implementing Framework Crosscutting Extensions With EJPs and AspectJ
July 3, 2006, 12:00am PDT
The authors proposed a framework extension approach based on the use of a new concept, called Extension Join Points (EJPs). EJPs enable the framework systematic extension by means of variability...
Provided by Lancaster University
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White Papers
Towards Resilient Networks Using Situation Awareness
June 2, 2011, 12:00am PDT
Resilience will be an essential design and operational characteristic of future networks. This paper first surveys resilient networks and Situation Awareness (SA) in cyberspace. Then, SA is...
Provided by Lancaster University
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White Papers
Reasoning About Faults in Aspect-Oriented Programs: A Metrics-Based Evaluation
April 1, 2011, 12:00am PDT
Aspect-Oriented Programming (AOP) aims at facilitating program comprehension and maintenance in the presence of crosscutting concerns. Aspect code is often introduced and extended as the software...
Provided by Lancaster University
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White Papers
Refactoring of Crosscutting Concerns With Metaphor-Based Heuristics
March 20, 2008, 12:00am PDT
It has been advocated that Aspect-Oriented Programming (AOP) is an effective technique to improve software maintainability through explicit support for modularising crosscutting concerns. However,...
Provided by Lancaster University
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White Papers
Early Crosscutting Metrics as Predictors of Software Instability
March 29, 2009, 12:00am PDT
Many researchers claim that crosscutting concerns, which emerge in early software development stages, are harmful to software stability. On the other hand, there is a lack of effective metrics...
Provided by Lancaster University
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White Papers
Applying and Evaluating Concern-Sensitive Design Heuristics
August 1, 2009, 12:00am PDT
Empirical studies have stressed that aspect-oriented decompositions can cause non-obvious flaws in the modularity of certain design concerns. Without proper design evaluation mechanisms, the...
Provided by Lancaster University
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White Papers
Detecting Architecture Instabilities With Concern Traces: An Exploratory Study
July 9, 2009, 12:00am PDT
Sustaining architecture stability in incremental software development is an important aim for software engineers. Traceability mechanisms can be used to assess and predict architecture stability...
Provided by Lancaster University
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White Papers
On the Support and Application of Macro-Refactorings for Crosscutting Concerns
August 7, 2009, 12:00am PDT
Crosscutting concerns hinder software stability and reuse and, hence, refactorings have been proposed to modularise them using aspect-oriented programming technology. However, refactoring of...
Provided by Lancaster University
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White Papers
Fairness Issues in Software Virtual Routers
March 13, 2008, 12:00am PDT
In this paper, the authors investigate the building of a virtual router platform that ensures isolation and fairness between concurrent virtual routers. Recent developments in commodity x86...
Provided by Lancaster University
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White Papers
Securing Communication in 6LoWPAN With Compressed IPsec
April 18, 2011, 12:00am PDT
With the inception of IPv6 it is possible to assign a unique ID to each device on planet. Recently, wireless sensor networks and traditional IP networks are more tightly integrated using IPv6 and...
Provided by Lancaster University
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White Papers
Towards a Secure and Seamless Host Mobility for the Real World
December 9, 2010, 12:00am PST
Mobile IPv6 has been developed for quite a few years now, but it has yet to bring its constant connectivity and global reachability benefits to mobile devices in real world scenarios, mainly due...
Provided by Lancaster University
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White Papers
Enabling Global Multimedia Distributed Services Based on Hierarchical DHT Overlay Networks
December 16, 2009, 12:00am PST
The provision of innovating multimedia services is a high priority for service providers. Due to the high traffic volume characteristics of multimedia content, decentralised services are a desired...
Provided by Lancaster University
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White Papers
Exploiting Synergies Between Coexisting Overlays
March 31, 2009, 12:00am PDT
Overlay networks have emerged as a powerful paradigm to realise a large range of distributed services. However, as the number of overlays grows and the systems that use them become more...
Provided by Lancaster University
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White Papers
Are We Extracting The True Risk Neutral Density From Option Prices? A Question With No Easy Answer
February 16, 2009, 12:00am PST
In this paper, the authors raise a question on the theoretical foundation of option implied risk neutral density. They prove that given any number of options, there exist numerous risk neutral...
Provided by Lancaster University
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White Papers
Retransmission and Backoff Strategies for Wireless Broadcasting
March 25, 2009, 12:00am PDT
This paper defines a wireless broadcasting algorithm as having two components: a retransmission strategy and a backoff strategy. Several strategies are proposed in this paper and a comparative...
Provided by Lancaster University
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White Papers
Building Extensible Networks With Rule-Based Forwarding
September 21, 2010, 12:00am PDT
The authors present a network design that provides flexible and policy-compliant forwarding. The proposal centers around a new architectural concept: that of packet rules. A rule is a simple...
Provided by Lancaster University
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White Papers
Time-Critical Data Delivery InWireless Sensor Networks
April 6, 2010, 12:00am PDT
A number of Wireless Sensor Network (WSN) applications demand timely data delivery. However, existing WSNs are designed to conserve energy and not to support timely data transmission. This paper...
Provided by Lancaster University
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White Papers
BurstProbe: Debugging Time-Critical Data Delivery in Wireless Sensor Networks
December 13, 2010, 12:00am PST
In this paper the authors present BurstProbe, a new technique to accurately measure link burstiness in a wireless sensor network employed for time-critical data delivery. Measurement relies on...
Provided by Lancaster University
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White Papers
WSN Evaluation in Industrial Environments First Results and Lessons Learned
May 27, 2011, 12:00am PDT
The GINSENG project develops performance-controlled wireless sensor networks that can be used for time-critical applications in hostile environments such as industrial plant automation and...
Provided by Lancaster University
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White Papers
Supporting Collaborative Applications in a Heterogeneous Mobile Environment
June 18, 2008, 12:00am PDT
This paper describes the implementation and use of a platform designed to support collaborative multimedia applications in a mobile environment. The platform provides a programming interface...
Provided by Lancaster University
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White Papers
Transition to High Speed Networks Superjanet Experience
January 26, 2008, 12:00am PST
For the time being, trials to establish the Information Superhighway are booming. In Britain, JANET has provided wide-area computer communication, and has recently been upgraded to SuperJANET,...
Provided by Lancaster University
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White Papers
A Collaborative AAA Architecture to Enable Secure Real-World Network Mobility
February 11, 2011, 12:00am PST
Mobile Networks are emerging in the real world in various scenarios, from networks in public transportation to personal networks in consumer electronics. The NEMO BS protocol provides constant...
Provided by Lancaster University
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White Papers
A Utility-Based QoS Model for Emerging Multimedia Applications
June 23, 2008, 12:00am PDT
For traditional internet applications, the quality of network delivery is not critical since applications like web browsing and email are elastic and can tolerate certain network impairments....
Provided by Lancaster University
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White Papers
Compressing MAC Headers on Shared Wireless Media
July 26, 2009, 12:00am PDT
This paper presents a header compression algorithm that unlike previous protocols is capable of compressing MAC headers in a multiple-access (shared) channel. Previous schemes could not compress...
Provided by Lancaster University
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White Papers
Physical Mobile Interactions: Mobile Devices as Pervasive Mediators for Interactions With the Real World
February 5, 2007, 12:00am PST
So far, mobile devices have mainly been used for interactions between the user, the device and the used service without considering the context of use. However, during the last years the authors...
Provided by Lancaster University
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White Papers
Application of Joint Source-Relay Scheduling to Cooperative Multiple Access Channels
January 5, 2009, 12:00am PST
In this paper, the authors propose a novel spectrally efficient cooperative transmission protocol for multiple access scenarios. Different to some existing cooperative multiple access schemes, the...
Provided by Lancaster University
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White Papers
Distributed and Power Efficient Routing in Wireless Cooperative Networks
September 26, 2008, 12:00am PDT
Most ad hoc mobile devices in wireless networks operate on batteries and power consumption is, therefore, an important issue for wireless network design. In this paper, the authors propose and...
Provided by Lancaster University
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White Papers
Transmission Capacity of Decode-and-Forward Cooperation in Overlaid Wireless Networks
September 14, 2009, 12:00am PDT
In this paper, the authors employ a stochastic geometry model to analyze the transmission capacity of the Decode-And-Forward (DAF) cooperation scheme in an overlaid wireless network where a...
Provided by Lancaster University
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