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University of York
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White Papers
Intrusion Detection in Mobile Ad Hoc Networks
April 2, 2008, 12:00am PDT
In recent years Mobile Ad hoc NETworks (MANETs) have become a very popular research topic. By providing communications in the absence of a fixed infra-structure MANETs are an attractive technology...
Provided by University of York
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White Papers
Threat Modelling for Mobile Ad Hoc and Sensor Networks
July 10, 2007, 12:00am PDT
A threat model for sensor networks and Mobile Ad hoc NETworks (MANETs) is introduced. Components that can be used to form an adversary model are developed. Threat categories, modes of use, and a...
Provided by University of York
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White Papers
Estimation Of Alternative Models Of Female Labour Supply With Fixed Travel Costs
June 10, 2010, 12:00am PDT
The authors formalize the joint choice of labor force participation and mode of travel to work together with the hours of work decision for unitary and collective households. Conditioning on the...
Provided by University of York
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White Papers
Public Debt And Financial Development: A Theoretical Exploration
May 17, 2010, 12:00am PDT
This paper proposes an analytical framework to examine the role of public debt in financial development, which remains largely unexplored in the existing literature. The authors find that in...
Provided by University of York
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White Papers
The Effectiveness Of Government Debt For Demand Management:Sensitivity To Monetary Policy Rules
November 1, 2010, 12:00am PDT
The authors construct a staggered-price dynamic general equilibrium model with overlapping generations based on uncertain lifetimes. Price stickiness plus lack of Ricardian Equivalence could be...
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White Papers
Naïve, Resolute Or Sophisticated? A Study Of Dynamic Decision Making
April 9, 2008, 12:00am PDT
Dynamically inconsistent decision makers have to decide, implicitly or explicitly, what to do about their dynamic inconsistency. Economic theorists have identified three possible responses - to...
Provided by University of York
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White Papers
The Taxation Of Couples
July 3, 2007, 12:00am PDT
This paper is concerned with the question of how couples should be taxed. One reason for the importance of this issue is simply that the overwhelming majority of individuals live in households...
Provided by University of York
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White Papers
Shareholders And Employees: Rent Transfer And Rent Sharing In Corporate Takeovers
August 1, 2010, 12:00am PDT
The introduction of the ideology of maximizing shareholder value and the rise of institutional investors in LMEs contributed to the development of an active MCC, which threatens managers with...
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White Papers
The Private Finance Initiative (PFI) And Finance Capital: A Note On Gaps In The "Accountability" Debate
November 9, 2007, 12:00am PST
During recent years, a wide spectrum of research has questioned whether public services/infrastructure procurement through private finance, as exemplified by the UK Private Finance Initiative...
Provided by University of York
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White Papers
Business Strategy And Firm Performance: The British Corporate Economy, 1949-1984
November 9, 2007, 12:00am PST
There has been considerable and ongoing debate about the performance of the British economy since 1945. The paper has concentrated on aggregate or industry level indicators. Few have examined...
Provided by University of York
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White Papers
Charismatic Leadership And Its Emergence Under Crisis Conditions: A Case Study From The Airline Industry
March 1, 2009, 12:00am PST
Charismatic leadership is perceived as emerging under conditions of crisis. This paper examines to what extent this statement is confirmed in an organizational context. Employing a case study from...
Provided by University of York
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White Papers
The Status Of Planning Processes In Familyowned Businesses: A Study Of Transformational Economy And Its Relationship To The Financial Performance Of Family-Owned Ukrainian Firms
July 1, 2009, 12:00am PDT
Numerous papers in academic publications have been examining the relationship between planning process and performance. However, the obtained findings are controversial. Even less research has...
Provided by University of York
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White Papers
~Does Community And Environmental Responsibility Affect Firm Risk? Evidence From UK Panel Data 1994-2006~
August 1, 2009, 12:00am PDT
The purpose of this paper is to examine the relationship between corporate environmental performance and firm risk in the British context. Using the largest dataset so far assembled, with...
Provided by University of York
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White Papers
Using History To Help Refine International Business Theory: Ownership Advantages And The Eclectic Paradigm
March 1, 2010, 12:00am PST
In John Dunning's eclectic paradigm firms need to have ownership, location, and internalization advantages in order to cross borders and engage in foreign direct investment. By drawing on...
Provided by University of York
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White Papers
Back To Life: Leadership From A Process Perspective
May 1, 2010, 12:00am PDT
Process thinking has given the signals regarding how to make critical judgments about, or else how to grasp actively and immanently, an organizational world on the move. The perspective of a world...
Provided by University of York
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White Papers
The New Keynesian Business Cycle Achievements And Challenges
May 24, 2007, 12:00am PDT
The New-Keynesian (NK) business cycle model has presented itself as a potential "Workhorse" model for business cycle analysis. This paper seeks to assess afresh the performance of the baseline NK...
Provided by University of York
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White Papers
The Descriptive And Predictive Adequacy Of Theories Of Decision Making Under Uncertainty/Ambiguity
April 8, 2008, 12:00am PDT
In this paper the authors examine the performance of theories of decision making under uncertainty/ambiguity from the perspective of their descriptive and predictive power, taking into account the...
Provided by University of York
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White Papers
Optimal Nonlinear Income Taxation With Learning-by-Doing
May 7, 2008, 12:00am PDT
This paper examines a two-period model of optimal nonlinear income taxation with learning-by-doing, in which second-period wages are an increasing function of first-period labor supply. The...
Provided by University of York
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White Papers
Response Bias In Job Satisfaction Surveys: English General Practitioners
November 11, 2008, 12:00am PST
Job satisfaction may affect the propensity to respond to job satisfaction surveys, so that estimates of average satisfaction and the effects of determinants of satisfaction may be biased. The...
Provided by University of York
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White Papers
Production In General Equilibrium With Incomplete Markets
March 17, 2009, 12:00am PDT
Short and long run production is introduced in a two period general equilibrium model with incomplete markets, where firms are profit maximizes. They maximize profits in the long run, which imply...
Provided by University of York
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White Papers
Budget Allocation And The Revealed Social Rate Of Time Preference For Health
October 1, 2009, 12:00am PDT
Appropriate decisions based on cost-effectiveness evaluations of health care technologies depend upon the cost-effectiveness threshold and its rate of growth as well as some social rate of time...
Provided by University of York
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White Papers
The Efficient Provision Of Public Goods Through Non-Distortionary Tax Contests
March 1, 2011, 12:00am PST
The authors use a simple balanced budget contest to collect taxes on a private good in order to finance a pure public good. They show that - with an appropriately chosen structure of winning...
Provided by University of York
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White Papers
Markov-Modulated On/off Processes for Long-Range Dependent Internet Traffic
February 1, 2008, 12:00am PST
The aim of this paper is to use a very simple queuing model to compare a number of models from the literature which have been used to replicate the statistical nature of internet traffic and, in...
Provided by University of York
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White Papers
Scenario-Based Stochastic Constraint Programming
May 22, 2009, 12:00am PDT
To model combinatorial decision problems involving uncertainty and probability, the authors extend the stochastic constraint programming framework proposed in [Walsh, 2002] along a number of...
Provided by University of York
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White Papers
Multiset Ordering Constraints
May 22, 2009, 12:00am PDT
The authors identify a new and important global (or nonbinary) constraint. This constraint ensures that the values taken by two vectors of variables, when viewed as multisets, are ordered. This...
Provided by University of York
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White Papers
Hard Real-Time Scheduling: The Deadline-Monotonic Approach
January 1, 2011, 12:00am PST
The scheduling of processes to meet deadlines is a difficult problem often simplified by placing severe restrictions upon the timing characteristics of individual processes. One restriction often...
Provided by University of York
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White Papers
Controller Area Network (CAN) Schedulability Analysis With FIFO Queues
April 6, 2011, 12:00am PDT
Controller Area Network (CAN) is widely used in automotive applications. Existing schedulability analysis for CAN is based on the assumption that the highest priority message ready for...
Provided by University of York
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White Papers
Quantifying the Sub-Optimality of Uniprocessor Fixed Priority Pre-Emptive Scheduling for Sporadic Tasksets With Arbitrary Deadlines
January 13, 2010, 12:00am PST
In this paper, the authors are interested in determining the largest factor by which the processing speed of a uniprocessor would need to be increased, such that any feasible taskset (that was...
Provided by University of York
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White Papers
Model Migration With Epsilon Flock
March 23, 2010, 12:00am PDT
In their recent book, Mens and Demeyer state that Model-Driven Engineering introduces additional challenges for controlling and managing software evolution. Today, tools exist for generating model...
Provided by University of York
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White Papers
On Optimal Priority Assignment for Response Time Analysis of Global Fixed Priority Pre-Emptive Scheduling in Multiprocessor Hard Real-Time Systems
April 13, 2010, 12:00am PDT
This paper investigates the problem of optimal priority assignment in multiprocessor real-time systems using global fixed task-priority pre-emptive scheduling. Previous work in this area showed...
Provided by University of York
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White Papers
FPZL Schedulability Analysis
June 8, 2010, 12:00am PDT
This paper presents the FPZL scheduling algorithm for multiprocessor real-time systems. FPZL is similar to global fixed priority pre-emptive scheduling; however, whenever a task reaches a state of...
Provided by University of York
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White Papers
Improved Schedulability Analysis For Multiprocessor Systems With Resource Sharing
June 2, 2010, 12:00am PDT
This paper presents the recent efforts to close the gap between the state-of-the-art homogeneous (or identical) multiprocessor and uniprocessor schedulability analyses in the context of resource...
Provided by University of York
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White Papers
Routing in Cellular Sensornets With Uniquely Identified Destination Nodes
June 1, 2010, 12:00am PDT
Sensornet nodes observe physical phenomena, yielding data labelled with their geographic position. Geographic context can be exploited in packet routing to minimise energy consumption, provided...
Provided by University of York
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White Papers
The Utility of 3D Landmarks for Arbitrary Pose Face Recognition
March 14, 2011, 12:00am PDT
The authors investigate the utility of 3D facial landmark localisation in addressing the varying pose problem in 3D face recognition. They do not focus on the 3D landmark localisation problem...
Provided by University of York
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White Papers
Further Inductive Mercury Programming and IMP0.5
March 3, 2009, 12:00am PST
The authors explore the use of Mercury for Inductive Logic Programming and present IMP0.5, the product of the research. Mercury is a compiled logic programming language with modern features, which...
Provided by University of York
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White Papers
Sensitivity Analysis for Real-Time Systems
March 1, 2009, 12:00am PST
The correctness of a real-time system depends on not only the running results but also on the time at which results are produced. A hard real-time system is required to complete the operations...
Provided by University of York
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White Papers
The Scratchpad Memory Management Unit for Microblaze: Implementation, Testing, and Case Study
April 27, 2009, 12:00am PDT
This paper proposes the Scratchpad Memory Management Unit (SMMU) to act as a perfect data cache for a known subset of the data used by a program. This enables the execution time for each load or...
Provided by University of York
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White Papers
Priority Assignment for Global Fixed Priority Pre-Emptive Scheduling in Multiprocessor Real-Time Systems
May 12, 2009, 12:00am PDT
This paper addresses the problem of priority assignment in multiprocessor real-time systems using global fixed task-priority pre-emptive scheduling. In this paper, the authors prove that Audsley's...
Provided by University of York
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White Papers
Testing for Refinement in Circus
May 29, 2009, 12:00am PDT
Circus combines constructs to define data operations and interactions; it integrates Z and CSP. The motivation for its design was the definition of a language for refinement, which can describe...
Provided by University of York
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White Papers
Towards Bandwidth Optimal Temporal Partitioning
August 19, 2009, 12:00am PDT
In real-time systems the available processing time is partitioned in order to enforce separation of concerns of concurrent application components. This is a necessary step to prevent possible side...
Provided by University of York
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White Papers
Decorrelating WSN Traffic Patterns With Maximally Uninformative Constrained Routing
April 26, 2011, 12:00am PDT
The authors study optimal strategies to decorrelating traffic in tactical wireless sensor networks where the goal is hiding sensible information (e.g., communication patterns, nodes location)...
Provided by University of York
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White Papers
Cryptanalysis of an EPC Class-1 Generation-2 Standard Compliant Authentication Protocol
April 14, 2009, 12:00am PDT
Recently, Chen and Deng proposed a mutual authentication protocol. Their scheme is based on a Cyclic Redundancy Code (CRC) and a pseudo-random number generator in accordance with the EPC Class-1...
Provided by University of York
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White Papers
Masquerade Mimicry Attack Detection: A Randomised Approach
April 15, 2011, 12:00am PDT
A masquerader is an (often external) attacker who, after succeeding in obtaining a legitimate user's credentials, attempts to use the stolen identity to carry out malicious actions. Automatic...
Provided by University of York
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White Papers
Bypassing Information Leakage Protection With Trusted Applications
December 20, 2011, 12:00am PST
Insider threats are an increasing concern for most modern organizations. Information leakage is one of the most important insider threats, particularly according to its potential financial impact....
Provided by University of York
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White Papers
Networks of Trust and Distrust: Towards Logical Reputation Systems
August 30, 2010, 12:00am PDT
The authors introduce the notion of a network of trust and distrust relations between individuals and take an argumentation approach to the assessment of whether one individual should trust...
Provided by University of York
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White Papers
Information-Theoretic Detection of Masquerade Mimicry Attacks
June 15, 2010, 12:00am PDT
In a masquerade attack, an adversary who has stolen a legitimate user's credentials attempts to impersonate him to carry out malicious actions. Automatic detection of such attacks is often...
Provided by University of York
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White Papers
Boolean Coherence and the ACH Method
July 27, 2010, 12:00am PDT
Richards Heuer's book, "The Psychology of Intelligence Analysis", sets out an approach to Intelligence Analysis based on comparing Alternative Competing Hypothesis (ACH). Heuer's work is expressed...
Provided by University of York
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White Papers
Learning Autonomic Security Reconfiguration Policies
April 29, 2010, 12:00am PDT
The authors explore the idea of applying machine learning techniques to automatically infer risk-adaptive policies to reconfigure a network security architecture when the context in which it...
Provided by University of York
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White Papers
Angelic Nondeterminism in the Unifying Theories of Programming
June 20, 2006, 12:00am PDT
Hoare and He's Unifying Theories of Programming (UTP) is a model of alphabetised relations expressed as predicates; it supports development in several programming paradigms. The aim of Hoare and...
Provided by University of York
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White Papers
Object-Orientation in the UTP
June 20, 2006, 12:00am PDT
In this paper, the authors study object-oriented programming concepts present in languages like Java and C++ in the framework of the Unifying Theories of Programming (UTP). This paper shows how...
Provided by University of York
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White Papers
Pointers and Records in the Unifying Theories of Programming
June 20, 2006, 12:00am PDT
The authors present a theory of pointers and records that provides a representation for objects and sharing in languages like Java and C++. Their approach to pointers is based on Paige's entity...
Provided by University of York
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White Papers
Modelling and Implementing Complex Systems With Timebands
April 1, 2010, 12:00am PDT
The authors describe how to use a time-band architecture to model real-time requirements. The architecture separates requirements that use different time units, producing a family of models. Each...
Provided by University of York
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White Papers
An Iterative Approach for Development of Safety-Critical Software and Safety Arguments
September 2, 2010, 12:00am PDT
The benefits ascribed to Agile methods are attractive to software engineers working in the safety-critical software domain. There is limited industrial experience and evidence of successful...
Provided by University of York
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White Papers
A Simple Differential Modulation Scheme for Quasi-Orthogonal Space-Time Block Codes with Partial Transmit Diversity
February 12, 2007, 12:00am PST
The authors report a simple differential modulation scheme for quasi-orthogonal space-time block codes. A new class of quasi-orthogonal coding structures that can provide partial transmit...
Provided by University of York
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White Papers
Extended Mappings for Wireless Network Coded Butterfly Network
February 14, 2011, 12:00am PST
The authors consider the application of wireless network coding to a "Butterfly" wireless network, comprising two sources and two destinations sharing a single relay. They obtain upper bounds on...
Provided by University of York
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Software
YUSU 1.1 (Mobile)
June 14, 2011, 12:00am PDT
This is the official app of the University of York Students' Union.The app is designed to deliver you news and updates from around campus, direct to your iPhone, iPod touch or iPad over wifi or...
Provided by University of York Students' Union
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White Papers
Performance Measures And Incentives: Loading Negative Coskewness To Outperform the CAPM
March 18, 2008, 12:00am PDT
This paper examines the incentives in fund management due to the adoption of specific performance measures. A mean-variance measure such as Jensen's alpha incentivizes fund managers to load...
Provided by University of York
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White Papers
The New Consensus In Monetary Policy: Is The NKM Fit For The Purpose Of Inflation Targeting?
September 1, 2006, 12:00am PDT
In this paper, the authors examine whether or not the NKM is fit for the purpose of providing a suitable basis for the conduct of monetary policy through inflation targeting. They focus on a...
Provided by University of York
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White Papers
Financial Constraints, Investment And Exchange Rates: Evidence From UK Firms
July 1, 2006, 12:00am PDT
This paper provides an empirical examination of the effects of exchange rate movements on investment using a large sample of UK firms over the period 1992-2000. By estimating export and import...
Provided by University of York
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White Papers
An Open-economy Macro-finance Model Of International Interdependence: The OECD, US And The UK
July 27, 2009, 12:00am PDT
This paper develops a multi-country macro-finance model to study international economic and financial linkages. This approach models the economy and financial markets jointly using both types of...
Provided by University of York
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White Papers
Politics, Regulation And Investment In The Telecommunications Industry
March 1, 2009, 12:00am PST
This paper attempts to examine the vertically integrated incumbent's incentive to invest in its network, which can benefit both the incumbent and the independent rival. A Cournot model is...
Provided by University of York
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White Papers
Gigabit Communication Links From a High Altitude Platform to Serve Specialist Users
June 5, 2007, 12:00am PDT
This paper presents the concept of using gigabit wireless communication links from HAPs using the 28GHz band. Line of Sight links can deployed anywhere within a service area of up to 300km...
Provided by University of York
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White Papers
Coexistence Performance of Terrestrial Communication Systems With Area Optimized Channel Assignments
June 5, 2007, 12:00am PDT
This paper focuses on investigating channel assignment schemes that select channels based on optimizing the coverage area supported by a terrestrial network. The coexisting scenario here is based...
Provided by University of York
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White Papers
Comparison of Multi-Carrier CDMA and OFCDM in Fading Channel
June 5, 2007, 12:00am PDT
This paper investigates multi-carrier techniques for broadband wireless. It compares two access schemes, namely MC-CDMA and OFCDM, which include transmitter and receiver model, advantages of each...
Provided by University of York
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White Papers
Towards a Formal Operational Semantics of UML Statechart Diagrams
January 1, 2011, 12:00am PST
Statechart Diagrams are a notation for describing behaviours in the framework of UML, the Unified Modeling Language of object-oriented systems. UML is a semiformal language, with a precisely...
Provided by University of York
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White Papers
From Growth Spurts To Sustained Growth
March 27, 2007, 12:00am PDT
This paper presents new evidence on the existence of pre-industrial growth spurts and the nature of economic growth during the transition from Malthus to Solow. In this research, growth spurts are...
Provided by University of York
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White Papers
Security Threats in Mobile Ad Hoc Networks
November 16, 2009, 12:00am PST
Mobile Ad hoc NETworks (MANETs) are one of the fastest growing areas of research. They are an attractive technology for many applications, such as rescue and tactical operations, due to the...
Provided by University of York
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White Papers
Run Time Detection of Timing Errors in Real-Time Systems
October 1, 2008, 12:00am PDT
Real-time systems comprise a class of computing systems whose functionality is interrelated to the timing constraints of the system, which are normally specified by deadlines. In order to...
Provided by University of York
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White Papers
Transformation and Analysis of Functional Programs
June 1, 2008, 12:00am PDT
This paper describes techniques for transforming and analysing functional programs. The authors operate on a core language, to which Haskell programs can be reduced. They present a range of...
Provided by University of York
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White Papers
Parallelising Symbolic State-Space Generation Algorithms on Shared-Memory Architectures
October 1, 2007, 12:00am PDT
Automated verification of discrete-state systems, such as temporal-logic model checking, relies on efficient algorithms for computing state-spaces of complex system models. To avoid the well known...
Provided by University of York
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White Papers
Efficiently Accessing Devices Across Local Area Networks
January 1, 2008, 12:00am PST
Given continued component miniaturization it is likely that in the future the immediate environment will be littered with a plethora of computer enabled devices that all are interconnected via a...
Provided by University of York
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White Papers
A Data Summarisation Approach to Knowledge Discovery
February 29, 2008, 12:00am PST
Knowledge discovery in both structured and unstructured datasets stored in large repository database systems has always motivated methods for data summarisation. Summarisation is closely related...
Provided by University of York
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White Papers
Schedulability Analysis for Fixed Priority Wormhole Switching in On-Chip Networks
November 13, 2008, 12:00am PST
In this paper, the authors discuss a real-time on-chip communication service with a priority-based wormhole switching policy. A novel off-line schedulability analysis approach and its extension...
Provided by University of York
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White Papers
Improvement to Quick Processor-Demand Analysis for EDF-Scheduled Real-Time Systems
September 1, 2008, 12:00am PDT
Earliest Deadline First (EDF) is an optimal scheduling algorithm for uniprocessor real-time systems. Quick Processor-demand Analysis (QPA) provides efficient and exact schedulability tests for EDF...
Provided by University of York
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White Papers
Schedulability Analysis for a Real-Time Multiprocessor System Based on Service Contracts and Resource Partitioning
October 20, 2009, 12:00am PDT
This paper presents some initial results of the research which addresses the increasing gaps between the power of multicore/multiprocessor systems and the lack of development models and tools that...
Provided by University of York
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White Papers
Interval Analysis Applied to Model-Checking of Embedded Control Systems
May 30, 2008, 12:00am PDT
Model-checking is a search technique that explores the state space of a modeled system looking for states that match specific criteria. The criteria can be anything from simple assertions to...
Provided by University of York
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White Papers
Robust Priority Assignment for Messages on Controller Area Network (CAN)
May 28, 2008, 12:00am PDT
This paper addresses the problem of determining the most robust priority assignment for CAN messages that are subject to transmission errors due to Electromagnetic Interference. In the presence of...
Provided by University of York
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White Papers
Proving Wire-Wise Correctness for Handel-C Hardware Compilation in HOL
February 11, 2008, 12:00am PST
The compilation of Handel-C programs into net-list descriptions of hardware components has been extensively used in commercial tools but never formally verified. In this paper the authors first...
Provided by University of York
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White Papers
From Control Law Diagrams to Ada Via Circus
March 11, 2008, 12:00am PDT
Control engineers make extensive use of diagrammatic notations; control law diagrams are used in industry every day. Techniques and tools for analysis of these diagrams or their models are...
Provided by University of York
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White Papers
Utilization Based Spare Capacity Distribution
February 27, 2008, 12:00am PST
Flexible real-time applications have predefined temporal limits within which they can operate. Real-time systems that support flexible scheduling need a mechanism to distribute spare capacity in a...
Provided by University of York
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