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Lancaster University
(120 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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Whitepapers
Services to Support Consistency in Mobile Collaborative Applications
November 7, 2007, 12:00am PST
This paper describes the design of services to support consistency in collaborative mobile applications. The requirements for application level consistency in groupware applications are discussed...
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
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
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
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
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
Collect&Drop: A Technique for Multi-Tag Interaction With Real World Objects and Information
November 10, 2008, 12:00am PST
The advancement of Ubicomp technologies leverages mobile interaction with physical objects and facilitates ubiquitous access to information and services. This provides new opportunities for mobile...
Provided by Lancaster University
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White Papers
Specifying and Constructing a Fault-Tolerant Composite Service
August 22, 2008, 12:00am PDT
This paper proposes a means to specify the semantics of fault tolerant web services at an abstract level using semantics adapted from queuing system theory. A framework that supports the...
Provided by Lancaster University
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White Papers
The Measurement and Modeling of a P2P Streaming Video Service
October 17, 2008, 12:00am PDT
Most of the work on grid technology in the video area has been generally restricted to aspects of resource scheduling and replica management. The traffic of such a service has a lot of...
Provided by Lancaster University
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White Papers
DHB-KEY: An Efficient Key Distribution Scheme for Wireless Sensor Networks
April 1, 2008, 12:00am PDT
Real-world deployments of wireless sensor networks require secure communication. In many application cases it is sufficient to provide message authentication at the sink. To implement this...
Provided by Lancaster University
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White Papers
Juno: Reconfigurable Middleware for Heterogeneous Content Networking
July 11, 2008, 12:00am PDT
Multimedia content distribution is playing an increasingly prominent role in the internet today, with a proliferation of diverse services and delivery mechanisms. Due to this increasing...
Provided by Lancaster University
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White Papers
Semi-Autonomic Framework for Intrusion Tolerance in Heterogeneous Networks
October 1, 2008, 12:00am PDT
A suitable strategy for network intrusion tolerance - detecting intrusions and remedying them - depends on aspects of the domain being protected, such as the kinds of intrusion faced, the...
Provided by Lancaster University
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White Papers
A Semantic Composition Model to Preserve (Re) Configuration Consistency in Aspect Oriented Middleware
August 9, 2009, 12:00am PDT
Aspect-oriented programming enables the isolation and modularisation of crosscutting concerns that are typically implemented in a tangled fashion within the base system. However, the composition...
Provided by Lancaster University
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White Papers
MANETKit: Supporting the Dynamic Deployment and Reconfiguration of Ad-Hoc Routing Protocols
August 24, 2009, 12:00am PDT
The innate dynamicity and complexity of Mobile Ad-hoc NETworks (MANETs) has resulted in numerous ad-hoc routing protocols being proposed. Furthermore, numerous variants and hybrids continue to be...
Provided by Lancaster University
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White Papers
Show Your Hands: A Vision-Based Approach to User Identification for Interactive Surfaces
October 21, 2009, 12:00am PDT
User identification opens up new interaction possibilities on interactive surfaces. Yet, many current multi-touch systems only detect isolated touches and cannot identify users. This paper...
Provided by Lancaster University
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White Papers
Search+: A Resource Efficient Peer-to-Peer Service Discovery Mechanism
August 19, 2009, 12:00am PDT
A recent feasibility study suggests that a Service-Oriented Architecture (SOA) will be central within the NATO network enabled capabilities information infrastructure. An important element of a...
Provided by Lancaster University
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Whitepapers
Service-Centric Networking Extensions
November 30, 2012, 12:00am PST
This paper discusses several issues of Service-Centric Networking (SCN) as an extension of the Information-Centric Networking (ICN) paradigm. SCN allows extended caching, where not exactly the...
Provided by Lancaster University
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Whitepapers
Interaction-Oriented Software Engineering: Concepts and Principles
November 17, 2012, 12:00am PST
Following established tradition, software engineering today is rooted in a conceptually centralized way of thinking. The primary SE artifact is a specification of a machine - a computational...
Provided by Lancaster University
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Whitepapers
Evaluation of the Socio-Economic Implications of Contractual Mobility in Roaming Architectures
November 21, 2012, 12:00am PST
The European market for roaming services has historically experienced poor or no competition and, when competition has occurred, prices have been largely resistant to its downward pressure. The...
Provided by Lancaster University
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Whitepapers
On Improving Security of GPT Cryptosystems
June 5, 2010, 12:00am PDT
The public key cryptosystem based on rank error correcting codes (the GPT cryptosystem) was proposed in 1991. Use of rank codes in cryptographic applications is advantageous since it is...
Provided by Lancaster University
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Whitepapers
Non-Convex Mixed-Integer Nonlinear Programming: A Survey
June 28, 2012, 12:00am PDT
A wide range of problems arising in practical applications can be formulated as Mixed-Integer Non-Linear Programs (MINLPs). For the case in which the objective and constraint functions are convex,...
Provided by Lancaster University
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Whitepapers
Enhanced Positioning Techniques for Hybrid Wireless Network
June 5, 2011, 12:00am PDT
This paper is to propose a reliable and accurate positioning method, which provides location estimates for the mobile user in heterogeneous wireless network (IEEE802.11/WiFi, IEEE802.16/ WiMAX and...
Provided by Lancaster University
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Whitepapers
Sequential Monte Carlo Methods for Localisation in Wireless Networks
January 1, 2012, 12:00am PST
Wireless indoor and outdoor localisation systems received a great deal of attention in recent years. This paper surveys first the current state-of-the-art of localisation techniques. Next, it...
Provided by Lancaster University
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Whitepapers
Services to Support Consistency in Mobile Collaborative Applications
November 7, 2007, 12:00am PST
This paper describes the design of services to support consistency in collaborative mobile applications. The requirements for application level consistency in groupware applications are discussed...
Provided by Lancaster University
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White Papers
Shake Well Before Use: Two Implementations for Implicit Context Authentication
July 29, 2007, 12:00am PDT
Secure device pairing is especially difficult for spontaneous interaction in ubiquitous computing environments because of wireless communication, lack of powerful user interfaces, and scalability...
Provided by Lancaster University
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White Papers
A Common Architecture for Cross Layer and Network Context Awareness
June 28, 2007, 12:00am PDT
The emerging Internet and non-Internet environments have renewed interest in flexible and adaptive communication subsystems residing in end and intermediate systems, which utilize cross layer and...
Provided by Lancaster University
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White Papers
A Functional Composition Framework for Autonomic Network Architectures
March 13, 2008, 12:00am PDT
Autonomic network platforms aim to solve the shortcomings of traditional static network technologies by enabling the capability to evolve. They propose a functional alternative to current...
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
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
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
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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