22282 research outputs found
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Fingerprinting Codes and Separating Hash Families
No full textThe thesis examines two related combinatorial objects, namely fingerprinting codes and separating hash families. Fingerprinting codes are combinatorial objects that have been studied for more than 15 years due to their applications in digital data copyright protection and their combinatorial interest. Four well-known types of fingerprinting codes are studied in this thesis; traceability, identifiable parent property, secure frameproof and frameproof. Each type of code is named after the security properties it guarantees. However, the power of these four types of fingerprinting codes is limited by a certain condition. The first known attempt to go beyond that came out in the concept of two-level traceability codes, introduced by Anthapadmanabhan and Barg (2009). This thesis extends their work to the other three types of fingerprinting codes, so in this thesis four types of two-level fingerprinting codes are defined. In addition, the relationships between the different types of codes are studied. We propose some first explicit non-trivial con- structions for two-level fingerprinting codes and provide some bounds on the size of these codes. Separating hash families were introduced by Stinson, van Trung, and Wei as a tool for creating an explicit construction for frameproof codes in 1998. In this thesis, we state a new definition of separating hash families, and mainly focus on improving previously known bounds for separating hash families in some special cases that related to fingerprinting codes. We improve upper bounds on the size of frameproof and secure frameproof codes under the language of separating hash families
The Royal Academy of Arts Audio Project
No full textThe Royal Academy Audio Project
Overview
The Royal Academy Audio Project (RAAP) is an on-going practical research project, sponsored by The Contemporary Circle on behalf of the Royal Academy of Art Library.
Aims
The primary purpose of this project is to record a series of interviews with leading Royal Academicians, concentrating on their professional career, and their relationship with the Royal Academy of Art.
Many of the most influential artists of the 20th Century are now of an advanced age and whilst some have been interviewed in the past, many have not – certainly not in a considered and rigorous manner. This project will seek to address that before it is too late. The Library have identified upwards of seventy Royal Academicians that they believe should be included. It is anticipated that RAAP will look to record twelve subjects per year.
Outcomes
The bulk of the material is intended for archive within the Royal Academy of Art library as primary source material for researchers and academics.
1. The completely unedited recordings – the non-mediated audio texts.
2. The ‘Umm & Ah’ Edit – removal of the hesitations and repetitions of all interviews.
3. The 45 Minute Documentary – the mediated text intended as a potentially ‘commercial’ and ‘engaging’ output for educated but uninformed listeners (based on the BBC Reithian precept).
4. Transcription texts of all the interviews (post ‘Umm & Ah’ edit)
Production Breakdown
Interview 1: The artist in his/her studio or workspace
Interview 2: The artist in the sound studio at Royal Holloway
Interview 3: With another RA artist commenting upon the work of the subject.
Interview 4: A recorded conversation between the subject and the commenting artist.
The Radio Documentary – constructed from all the interviews
Personnel
Rhys Davies – Editor (archive) Producer & Studio Presenter (Documentary)
Dr Jean Wainwright – Researcher and Interviewer.
rhysdavies201
Exploring the Use of Accounting History in Post-Enron Stories
No full textThis study uses the concept of “popular history” to address the use of accounting history in post-Enron stories on corporate collapse and accounting failure. The study extends the work of Carnegie and Napier (2010), which focuses on how professional accountants and their firms and organizations were portrayed in post-Enron books that were published during the period 2002 to 2005. These books can be characterized as “popular histories”, and the paper illustrates how the scholarly work of academic accounting historians is given little attention by the authors of these post-Enron stories. It points to the largely untapped potential for accounting historians to make their research findings and insights available for a general readership
Effectiveness and cost-effectiveness of a novel, group self-management course for adults with chronic musculoskeletal pain: study protocol for a multicentre, randomised controlled trial (COPERS)
No full textIntroduction: Chronic musculoskeletal pain is a common condition that often responds poorly to treatment. Self-management courses have been advocated as a non-drug pain management technique, although evidence for their effectiveness is equivocal. We designed and piloted a self-management course based on evidence for effectiveness for specific course components and characteristics. Methods/analysis: COPERS (coping with persistent pain, effectiveness research into self-management) is a pragmatic randomised controlled trial testing the effectiveness and cost-effectiveness of an intensive, group, cognitive behavioural-based, theoretically informed and manualised self-management course for chronic pain patients against a control of best usual care: a pain education booklet and a relaxation CD. The course lasts for 15 h, spread over 3 days, with a –2 h follow-up session 2 weeks later. We aim to recruit 685 participants with chronic musculoskeletal pain from primary, intermediate and secondary care services in two UK regions. The study is powered to show a standardised mean difference of 0.3 in the primary outcome, pain-related disability. Secondary outcomes include generic health-related quality of life, healthcare utilisation, pain self-efficacy, coping, depression, anxiety and social engagement. Outcomes are measured at 6 and 12 months postrandomisation. Pain self-efficacy is measured at 3 months to assess whether change mediates clinical effect. Ethics/dissemination: Ethics approval was given by Cambridgeshire Ethics 11/EE/046. This trial will provide robust data on the effectiveness and cost-effectiveness of an evidence-based, group self-management programme for chronic musculoskeletal pain. The published outcomes will help to inform future policy and practice around such self-management courses, both nationally and internationally. Trial registration: ISRCTN24426731
A Middle Devensian woolly rhinoceros (Coelodonta antiquitatis) from Whitemoor Haye Quarry, Staffordshire (UK): palaeoenvironmental context and significance
No full textThis paper reports the discovery of a rare partial skeleton of a woolly rhinoceros (Coelodonta antiquitatis Blumenbach, 1799) and associated fauna from a low Pleistocene terrace of the River Tame at Whitemoor Haye, Staffordshire, UK. A study of the sedimentary deposits around the rhino skeleton and associated organic-rich clasts containing pollen, plant and arthropod remains suggests that the animal was rapidly buried on a braided river floodplain surrounded by a predominantly treeless, herb-rich grassland. Highlights of the study include the oldest British chironomid record published to date and novel analysis of the palaeoflow regime using caddisfly remains. For the first time, comparative calculations of coleopteran and chironomid palaeotemperatures have been made on the same samples, suggesting a mean July temperature of 8–11 8C and a mean December temperature of between -22 and -16 °C. Radiocarbon age estimates on skeletal material, supported by optically stimulated luminescence ages from surrounding sediments, indicate that the rhino lived around 41–43 k cal a BP. The combined geochronological, stratigraphic and palaeoenvironmental evidence places the assemblage firmly within the Middle Devensian (Marine
Oxygen Isotope Stage 3). This would agree with other regional evidence for the timing of aggradation for the lowest terrace of the Trent and its tributary systems
A Secure and Trusted Channel Protocol for User Centric Smart Cards
No full textThe User Centric Smart Card Ownership Model (UCOM) provides an open and dynamic smart card environment enabling cardholders to request installation/deletion of an application to which they are entitled. As in this model, smart cards are not under the control of a centralised authority; hence, it is difficult for an application provider to ascertain their trustworthiness. At present, proposed secure channel protocols for the smart card environment do not provide adequate assurance required by the UCOM. In this paper, we explore the reasons behind their failure to meet the UCOM requirements and then propose a secure and trusted channel protocol that meets them. In addition, the proposed protocol is also suitable to GlobalPlatform's consumer-centric smart cards. A comparison of the proposed protocol with existing smart card and selected Internet protocols is provided. Then we analyse the protocol with the CasperFDR tool. Finally, we detail the implementation and the performance measurement
English-language theories of financial reporting
No full textThe chapter provides a historical overview of the principal theories of financial reporting in the English language. Early attempts to generalise from practice were supplemented with applications of economic theory, as well as ideas drawn from mathematics, systems theory, organisation theory, human behaviour and other disciplines to develop theories that attempted to improve current financial reporting practice. This has culminated in the development of conceptual frameworks for financial reporting. From the late 1960s, attempts have been developed to explain and predict accounting practice, and the impact of financial reporting information on the behaviour of investors and others
An Exploration of the Identities and Gender Discourses of a Taiwanese Woman: A Case Study of a Working Mother
No full textThis exploratory study sets out to examine the identities of a Taiwanese woman in the 21st century. Adopting the case study as a research strategy, I probe into a working mother’s life story to understand firstly a Taiwanese working mother’s perspectives on her family roles as a wife, mother and daughter-in-law. Secondly, I investigate how social institutions, which transmit different and often-conflicting Confucian and non-Confucian “gender discourses” influence her identities. This thesis adopts narrative interviews as the major method to probe into the life story of a Taiwanese working mother. The dimensions of domestic work and childcare, verbal communication, marital sex and looking after parents-in-law are examined in order to understand how she has taken on gender discourses and developed identities through her contact with different social institutions. Informed by post-structuralism and feminist theories, I consider the Taiwanese working mother as an individual who has “agency”, meaning she recognizes and values her ability to use and integrate gender discourses into her sense of self through the process of self-attribution. My research results found that “differentiation” “reflection” and “reflexivity” are themes that play important roles in affecting how a Taiwanese working mother perceives herself as an individual and defines her social and family roles. The findings also show that a working mother is able to negotiate different gender discourses. Despite the influence of the Taiwanese Confucian gendered binary, her interactions with different social institutions, especially her native family, counselling services and women’s self-help groups, enable her to develop a sense of “who I am”. She is able to reflect on her life experiences and perceive gender discourses in a critical manner and thus take on gender discourses that she identifies with to develop her own identities
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