Steps Towards a Method for the Formal Modeling of Dynamic Objects

Fragments of a method to formally specify object-oriented models of a universe of discourse are presented. The task of finding such models is divided into three subtasks, object classification, event specification, and the specification of the life cycle of an object. Each of these subtasks is further subdivided, and for each of the subtasks heuristics are given that can aid the analyst in deciding how to represent a particular aspect of the real world. The main sources of inspiration are Jackson System Development, algebraic specification of data- and object types, and algebraic specification of processes

Evaluating Knowledge Representation and Reasoning Capabilites of Ontology Specification Languages

The interchange of ontologies across the World Wide Web (WWW) and the cooperation among heterogeneous agents placed on it is the main reason for the development of a new set of ontology specification languages, based on new web standards such as XML or RDF. These languages (SHOE, XOL, RDF, OIL, etc) aim to represent the knowledge contained in an ontology in a simple and human-readable way, as well as allow for the interchange of ontologies across the web. In this paper, we establish a common framework to compare the expressiveness of "traditional" ontology languages (Ontolingua, OKBC, OCML, FLogic, LOOM) and "web-based" ontology languages. As a result of this study, we conclude that different needs in KR and reasoning may exist in the building of an ontology-based application, and these needs must be evaluated in order to choose the most suitable ontology language(s)

Integrating e-commerce standards and initiatives in a multi-layered ontology

The proliferation of different standards and joint initiatives for the classification of products and services (UNSPSC, e-cl@ss, RosettaNet, NAICS, SCTG, etc.) reveals that B2B markets have not reached a consensus on the coding systems, on the level of detail of their descriptions, on their granularity, etc. This paper shows how these standards and initiatives, which are built to cover different needs and functionalities, can be integrated in an ontology using a common multi-layered knowledge architecture. This multi-layered ontology will provide a shared understanding of the domain for applications of e-commerce, allowing the information sharing between heterogeneous systems. We will present a method for designing ontologies from these information sources by automatically transforming, integrating and enriching the existing vocabularies with the WebODE platform. As an illustration, we show an example on the computer domain, presenting the relationships between UNSPSC, e-cl@ss, RosettaNet and an electronic catalogue from an e-commerce platform

Player agency in interactive narrative: audience, actor & author

The question motivating this review paper is, how can computer-based interactive narrative be used as a constructivist learn- ing activity? The paper proposes that player agency can be used to link interactive narrative to learner agency in constructivist theory, and to classify approaches to interactive narrative. The traditional question driving research in interactive narrative is, ‘how can an in- teractive narrative deal with a high degree of player agency, while maintaining a coherent and well-formed narrative?’ This question derives from an Aristotelian approach to interactive narrative that, as the question shows, is inherently antagonistic to player agency. Within this approach, player agency must be restricted and manip- ulated to maintain the narrative. Two alternative approaches based on Brecht’s Epic Theatre and Boal’s Theatre of the Oppressed are reviewed. If a Boalian approach to interactive narrative is taken the conflict between narrative and player agency dissolves. The question that emerges from this approach is quite different from the traditional question above, and presents a more useful approach to applying in- teractive narrative as a constructivist learning activity

Mapping communication management competencies for European practitioners ECOPSI an EU study

This paper and its findings suggest there is little organised life-long learning in public relations and communication management in Europe. Consequently senior communication practitioners believe there are major failings in the capabilities related to our profession which if not addressed will serve as significant challenges for European organisations over the next 10 years. Longitudinal research further suggests the role of practitioners is changing and they require many more competencies to be successful in their communication roles (Zerfass et al., 2007- 2013). These are some of the observations and conclusions drawn from and supported by an extensive review of theory and practice emerging from the ECOPSI Programme (European Communication Professional Skills and Innovation), which is the largest European Union funded project of its kind to report into strategic communication until now (Tench et al 2012, 2013a, 2013b). There are on-going gaps and deficiencies in the development of the individuals as well as broad variation in how practitioners identify needs and access appropriate interventions. This presents numerous opportunities for deeper and on-going professional training and development to build consistency and support good practice in moving away from a hands-on, learning on-the-job approach to more focused knowledge acquisition and development. The ECOPSI programme is a two-year research project exploring the competencies required by communication professionals in Europe. This innovative programme is a partnership of six leading European universities in communication research and education located in Germany, Netherlands, Slovenia, Spain, Turkey and the UK as well as the European Association of Communication Directors (EACD). The two-year programme is led by Leeds Metropolitan University and is the first and largest to be funded by the European Union. The study provides in-depth insights into the competencies needed for four communication roles through the Communication Role Matrix: internal communication, crisis communication, social media and chief communication officer (CCO). The Communication Role Matrix captures what it is a communication professional does and the requirement necessary to perform the role successfully by identifying the knowledge, skills (hard and soft) and personal attributes for each role (Tench et al 2013a). This paper: (1) analyses the construction and perceptions about the Communication Role Matrix; (2) highlights current contemporary issues faced by the industry; and (3) presents the transference of knowledge from ECOPSI to the professional field through the Portal (for) Advancing Communication Expertise (p4ace) along with a self-diagnostic tool aimed to engage practitioners in continued professional development

Embedding employability skills in UK Higher Education: between digitalization and marketization

This article contributes to the debate on employability skills in UK higher education. It starts by discussing the concept of employability and places the debate in the context of mega-trends affecting UK higher education and the broader UK labour market. It distinguishes between different types of employability skills, as identified by employers’ surveys, and matches them with specific small-group teaching activities, drawing on pedagogic theory and practice. The article concludes that, beyond work-integrated learning, traditional small-group teaching activities can go a long way towards bridging the gap between graduates’ skills and labour market needs

Do looks matter? A case study on extensive green roofs using discrete choice experiments

Extensive green roofs are a promising type of urban green that can play an important role in climate proofing and ultimately in the sustainability of our cities. Despite their increasingly widespread application and the growing scientific interest in extensive green roofs, their aesthetics have received limited scientific attention. Furthermore, several functional issues occur, as weedy species can colonize the roof, and extreme roof conditions can lead to gaps in the vegetation. Apart from altering the function of a green roof, we also expect these issues to influence the perception of extensive green roofs, possibly affecting their acceptance and application. We therefore assessed the preferences of a self-selected convenience sample of 155 Flemish respondents for visual aspects using a discrete choice experiment. This approach, combined with current knowledge on the psychological aspects of green roof visuals, allowed us to quantify extensive green roof preferences. Our results indicate that vegetation gaps and weedy species, together with a diverse vegetation have a considerable impact on green roof perception. Gaps were the single most important attribute, indicated by a relative importance of ca. 53%, with cost coming in at a close second at ca. 46%. Overall, this study explores the applicability of a stated preference technique to assess an often overlooked aspect of extensive green roofs. It thereby provides a foundation for further research aimed at generating practical recommendations for green roof construction and maintenance

New Product Announcements as Market Signals. A content analysis in the DRAM chip industry

New-product announcements (NPAs) have considerable effects on competitors in industrial markets. Several studies have shown that the perceived threat caused by an NPA may trigger severe competitive reactions. Yet it is still unclear how the perception of threat by competitors is related to the specific content of the announcement. In this study we explore the actual content of NPAs observed in a particular market. We do this through a multi-year content analysis of new-product announcements in the DRAM memory chip industry. We analyze patterns in the occurrence of attributes and demonstrate how firm strategy affects NPA content. Findings from this study provide important insights for managers about the design of NPAs. It also triggers further research on the use of NPAs in competitive industrial markets.competition;innovation;market signals;new product announcement;semiconductors

Environmental modelling of the Chief Information Officer

Since the introduction of the term in the 1980’s, the role of the Chief Information Officer (CIO) has been widely researched. Various perceptions and dimensions of the role have been explored and debated. However, the explosion in data proliferation (and the inevitable resulting information fuelled change) further complicates organisational expectations of the CIOs role. If organisations are to competitively exploit the digital trend, then those charged with recruiting and developing CIOs now need to be more effective in determining (and shaping) CIO traits and attributes, within the context of their own organisational circumstances and in line with stakeholder expectations. CIOs also need to determine their own suitability and progression within their chosen organisation if they are to remain motivated and effective. Before modelling the role of the future CIO, it is necessary to synthesise our current knowledge (and the lessons learnt) about the CIO. This paper, therefore, aims to identify and summate the spectrum of key researched ‘themes’ pertaining to the role of the CIO. Summating previous research, themes are modelled around four key CIO ‘dimensions’, namely (1) Impacting factors, (2) Controlling factors (3) Responses and (4) CIO ‘attributes’. Having modelled the CIOs current environment, and recognising the evolving IT enabled information landscape, the authors call for further research to inform the recruitment and development of the future CIO in terms of personal attributes and the measurable impact such attributes will have on their respective organisation