7,505 research outputs found

    A unified framework for building ontological theories with application and testing in the field of clinical trials

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    The objective of this research programme is to contribute to the establishment of the emerging science of Formal Ontology in Information Systems via a collaborative project involving researchers from a range of disciplines including philosophy, logic, computer science, linguistics, and the medical sciences. The re­searchers will work together on the construction of a unified formal ontology, which means: a general framework for the construction of ontological theories in specific domains. The framework will be constructed using the axiomatic-deductive method of modern formal ontology. It will be tested via a series of applications relating to on-going work in Leipzig on medical taxonomies and data dictionaries in the context of clinical trials. This will lead to the production of a domain-specific ontology which is designed to serve as a basis for applications in the medical field

    Early aspects: aspect-oriented requirements engineering and architecture design

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    This paper reports on the third Early Aspects: Aspect-Oriented Requirements Engineering and Architecture Design Workshop, which has been held in Lancaster, UK, on March 21, 2004. The workshop included a presentation session and working sessions in which the particular topics on early aspects were discussed. The primary goal of the workshop was to focus on challenges to defining methodical software development processes for aspects from early on in the software life cycle and explore the potential of proposed methods and techniques to scale up to industrial applications

    The role of learning organization in knowledge management process

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    The content and the organization of work represent dimensions which do not only involve mobilizing competencies but are also dimensions in which competencies are developed. In an organization people create, accumulate or transfer knowledge, ideas, values, attitudes, feelings or experiences. The goal of a learning organization is to improve competency diffusion, to enrich them and to capitalize experiences. Chaos arises when the level of learning of the enterprise reaches a point in which it can no longer deal with the changes in the environment it functions in. In this work we shall try to discuss the potential for transformation of organizations, constantly challenged, even in the world of knowledge.learning organization, active learning, knowledge management, organizational learning

    Information fusion for context awareness in intelligent environments

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    The development of intelligent environments requires handling of data perceived from users, received from environments and gathered from objects. Such data is often used to implement machine learning tasks in order to predict actions or to anticipate needs and wills, as well as to provide additional context in applications. Thus, it is often needed to perform operations upon collected data, such as pre-processing, information fusion of sensor data, and manage models from machine learning. These machine learning models may have impact on the performance of platforms and systems used to obtain intelligent environments. In this paper, it is addressed the issue of the development of middleware for intelligent systems, using techniques from information fusion and machine learning that provide context awareness and reduce the impact of information acquisition on both storage and energy efficiency. This discussion is presented in the context of PHESS, a project to ensure energetic sustainability, based on intelligent agents and multi-agent systems, where these techniques are applied

    Modelling of ill-known requirements and integration in production planning

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    Making decisions on the base of uncertain forecasts is one of the key challenges for efficient Supply Chain Management. This article suggests the use of the theory of possibility for building a procurement plan on the base of ill-known requirements. These requirements, expressed in quantities by date, may come from various sources: forecasts or orders for instance. The possible types of imperfection pervading requirement are analysed and a unified representation model is suggested. A method is then described for calculating a plausible demand by period without loss of information; it is illustrated on an example in the last section

    Strength of corroded tapered plate girders under pure shear

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    Corrosion is one of the most important causes of deterioration of steel girder bridges. The lack of information concerning the behaviour of corroded web panels makes difficult the civil engineer’s task of evaluating the deteriorated member. An in-depth study in front of serviceability and ultimate limit states is necessary to develop efficient techniques to evaluate the structural integrity and safety. By combining information on the rate and location of an eventual corrosion in web and flange panels, it is possible to predict elastic critical shear buckling stress and ultimate shear stress. Nonlinear analyses have been conducted in a three-dimensional finite element model of transversely stiffened corroded tapered plate girders, simulated by thickness reduction, subjected to pure shear. In this paper is presented a finite element model of corroded girder panels (web and flanges), and an application of Data Mining techniques (e.g., Neural Networks) to analyze the data generated in the analytical study to find new and novel knowledge for condition assessment.Community’s Sixth Framework Programme -Sustainable Bridges - FP6-PLT-0165

    On being part of the solution, not the problem: taking a proportionate approach to managing records

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    Purpose – This article seeks to provide a perspective on a future pathway for records management that is based on taking a proportionate approach rather than striving for perfection. This approach requires a re-interpretation of traditional principles and their application in practice and recognition of the predominance of people in successful information and records management in the digital domain. Design/methodology/approach – The views are the author's based on the headline findings of a major research project (AC+erm) which investigated issues and practical strategies for accelerating positive change in electronic records management. They incorporate views on contextual developments since the project, in particular the characteristics of today's hybrid and increasingly mobile office environment such as the use of recognition technologies. Findings – The ten headline findings of the AC+erm project are shared. Two strategic findings are highlighted, namely, articulating a vision of successful electronic records management and the approach to applying records management principles in order to realise that vision of success. The article then focuses on two of the other findings, about the need for information and records professionals to adopt proportionate and risk based approaches and to ensure they (the records professionals) are an essential part of the solution not the problem. Post the project, views on these and tactics for addressing them are discussed with reference to real examples and potential future research and development. Research limitations/implications – The research that provides the context for the article was qualitative and therefore its findings transferrable rather than generalisable. The views expressed about tactics for moving forward are intended to contribute to the debate about approaches to managing records in the democratic, digital domain. Practical implications – A proportionate approach to managing records by definition implies a risk-based approach. This may prove challenging in organizational, societal and cultural contexts that are risk averse. Originality/value – The research which underpins this article was the first on the subject to be conducted in the UK and adopted a unique evidence-based approach. Undertaken in the context of the “promise” of electronic document and records management systems, its findings are relevant in the broader systems solutions. They provide a context for this perspective on current and potential tactics for addressing strategic issues for managing records in the digital domain. This provides a significant contribution to knowledge and debate in this field

    Making intelligent systems team players: Case studies and design issues. Volume 1: Human-computer interaction design

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    Initial results are reported from a multi-year, interdisciplinary effort to provide guidance and assistance for designers of intelligent systems and their user interfaces. The objective is to achieve more effective human-computer interaction (HCI) for systems with real time fault management capabilities. Intelligent fault management systems within the NASA were evaluated for insight into the design of systems with complex HCI. Preliminary results include: (1) a description of real time fault management in aerospace domains; (2) recommendations and examples for improving intelligent systems design and user interface design; (3) identification of issues requiring further research; and (4) recommendations for a development methodology integrating HCI design into intelligent system design
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