5 research outputs found

    Management of Glaucoma in the Maltese Health Service

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    Glaucoma is a disease with characteristic changes of the optic nerve, visual field and raised intra ocular pressure. Its prevalence varies between, 1.6 to 8% and is dependent on the ethnic composition of the population and it is one of the leading causes of blindness in the developed world. There are 67 800 000 people worldwide suffering from glaucoma.1 In recent years, a number of highly potent topical medications have been introduced. These have substantially improved the conservative management of glaucoma. New laser techniques are also being used and safer operative techniques have been developed in order to cope with the more resistant cases of glaucoma. A previous study on `Glaucoma in Malta', conducted in 1989, established that 3% of Maltese population over the age of 40 suffers from glaucoma.2 This study was carried out in order to assess the management of glaucoma patients in the Maltese Government Health Service at the present time.peer-reviewe

    Modeling of system knowledge for efficient agile manufacturing : tool evaluation, selection and implementation scenario in SMEs

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    In the manufacturing world, knowledge is fundamental in order to achieve effective and efficient real time decision making. In order to make manufacturing system knowledge available to the decision maker it has to be first captured and then modelled. Therefore tools that provide a suitable means for capturing and representation of manufacturing system knowledge are required in several types of industrial sectors and types of company’s (large, SME). A literature review about best practice for capturing requirements for simulation development and system knowledge modeling has been conducted. The aim of this study was to select the best tool for manufacturing system knowledge modelling in an open-source environment. In order to select this tool, different criteria were selected, based on which several tools were analyzed and rated. An exemplary use case was then developed using the selected tool, Systems Modeling Language (SysML). Therefore, the best practice has been studied, evaluated, selected and then applied to two industrial use cases by the use of a selected opens source tool.peer-reviewe

    Uniqueness Typing for Resource Management in Message-Passing Concurrency

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    We view channels as the main form of resources in a message-passing programming paradigm. These channels need to be carefully managed in settings where resources are scarce. To study this problem, we extend the pi-calculus with primitives for channel allocation and deallocation and allow channels to be reused to communicate values of different types. Inevitably, the added expressiveness increases the possibilities for runtime errors. We define a substructural type system which combines uniqueness typing and affine typing to reject these ill-behaved programs

    Modeling of system knowledge for efficient agile manufacturing: Tool evaluation, selection and implementation scenario in SMEs

    Get PDF
    In the manufacturing world, knowledge is fundamental in order to achieve effective and efficient real time decision making. In order to make manufacturing system knowledge available to the decision maker it has to be first captured and then modelled. Therefore tools that provide a suitable means for capturing and representation of manufacturing system knowledge are required in several types of industrial sectors and types of company's (large, SME). A literature review about best practice for capturing requirements for simulation development and system knowledge modeling has been conducted. The aim of this study was to select the best tool for manufacturing system knowledge modelling in an open-source environment. In order to select this tool, different criteria were selected, based on which several tools were analyzed and rated. An exemplary use case was then developed using the selected tool, Systems Modeling Language (SysML). Therefore, the best practice has been studied, evaluated, selected and then applied to two industrial use cases by the use of a selected opens source tool
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