604 resultados para Workflows semânticos
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Experimento: aclarar la influencia que ejerce el contenido del pensamiento en la conclusión extraída, es decir, comprobar si los modelos o esquemas de razonamiento son moldeables por los factores semánticos. Experimento II: determinar la influencia de las variables de aprendizaje sobre la habilidad de los sujetos para el razonamiento silogístico. Experimento: 289 alumnos (154 mujeres y 135 varones) de segundo y tercer curso de Bachillerato del INB 'El palo' de Málaga. Experimento II: 268 alumnos (173 mujeres y 95 varones) de primer y segundo curso de Bachillerato del INB 'Vicente Espinel' de Málaga. La investigación consta de dos experimentos. En el primero los estudiantes resolvieron pruebas de razonamiento silogístico con contenido tendencioso. El diseño fue intragrupo y se analizaron los datos de cada problema por separado para comprobar las tendencias de respuesta y el posible ajuste a determinados modelos de razonamiento silogístico. También se agruparon los problemas según su contenido fuese positivo, negativo o abstracto para los problemas cuyos términos estaban compuestos sin significado. En el segundo se manipulan varias condiciones de aprendizaje oponiendo modalidades individuales frente a condiciones de pareja y por otra parte, distintos esquemas lógicos de naturaleza condicional y silogística en un diseño de replicación intergrupo. Los sujetos no resuelven los problemas con contenido tendencioso por un mero procedimiento de búsqueda en su memoria semántica. Habría que pensar que en los últimos estadios del proceso de deducción, los sujetos eligen prioritariamente la respuesta que concuerda con sus creencias. El contenido positivo mejora especialmente la resolución de los problemas que generan varios modelos mentales. El contenido negativo no dificulta en estos casos de forma especial la resolución de los problemas. En cuanto a la relación encontrada entre la capacidad matemática y el razonamiento deductivo, la nota más fuerte se establece entre la nota de Matemáticas y la prueba de contenido negativo. El esquema de permiso (relación en la cual llevar a cabo una acción en concreto requiere satisfacer una determinada condición previa) facilita el trabajo en pruebas abstractas o de contenido poco significativo, pero no cuando las reglas de obligación y las ralaciones de contingencia están ambas relacionadas directamente con la experiencia de los sujetos.
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The service-oriented approach to performing distributed scientific research is potentially very powerful but is not yet widely used in many scientific fields. This is partly due to the technical difficulties involved in creating services and workflows and the inefficiency of many workflow systems with regard to handling large datasets. We present the Styx Grid Service, a simple system that wraps command-line programs and allows them to be run over the Internet exactly as if they were local programs. Styx Grid Services are very easy to create and use and can be composed into powerful workflows with simple shell scripts or more sophisticated graphical tools. An important feature of the system is that data can be streamed directly from service to service, significantly increasing the efficiency of workflows that use large data volumes. The status and progress of Styx Grid Services can be monitored asynchronously using a mechanism that places very few demands on firewalls. We show how Styx Grid Services can interoperate with with Web Services and WS-Resources using suitable adapters.
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Scientific workflows are becoming a valuable tool for scientists to capture and automate e-Science procedures. Their success brings the opportunity to publish, share, reuse and repurpose this explicitly captured knowledge. Within the myGrid project, we have identified key resources that can be shared including complete workflows, fragments of workflows and constituent services. We have examined the alternative ways these can be described by their authors (and subsequent users), and developed a unified descriptive model to support their later discovery. By basing this model on existing standards, we have been able to extend existing Web Service and Semantic Web Service infrastructure whilst still supporting the specific needs of the e-Scientist. myGrid components enable a workflow life-cycle that extends beyond execution, to include discovery of previous relevant designs, reuse of those designs, and subsequent publication. Experience with example groups of scientists indicates that this cycle is valuable. The growing number of workflows and services mean more work is needed to support the user in effective ranking of search results, and to support the repurposing process.
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This article explores libraries’ technical workflow design and strategic considerations as various e-books business models and mobile devices and their management become a growing part of the information landscape.
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Typically Web services contain only syntactic information that describes their interfaces. Due to the lack of semantic descriptions of the Web services, service composition becomes a difficult task. To solve this problem, Web services can exploit the use of ontologies for the semantic definition of service s interface, thus facilitating the automation of discovering, publication, mediation, invocation, and composition of services. However, ontology languages, such as OWL-S, have constructs that are not easy to understand, even for Web developers, and the existing tools that support their use contains many details that make them difficult to manipulate. This paper presents a MDD tool called AutoWebS (Automatic Generation of Semantic Web Services) to develop OWL-S semantic Web services. AutoWebS uses an approach based on UML profiles and model transformations for automatic generation of Web services and their semantic description. AutoWebS offers an environment that provides many features required to model, implement, compile, and deploy semantic Web services
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The CMS Collaboration conducted a month-long data taking exercise, the Cosmic Run At Four Tesla, during October-November 2008, with the goal of commissioning the experiment for extended operation. With all installed detector systems participating, CMS recorded 270 million cosmic ray events with the solenoid at a magnetic field strength of 3.8 T. This paper describes the data flow from the detector through the various online and offline computing systems, as well as the workflows used for recording the data, for aligning and calibrating the detector, and for analysis of the data. © 2010 IOP Publishing Ltd and SISSA.
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Apresenta aspectos semânticos, morfossintáticos e morfológicos das palavras descritivas da língua Apurinã (Aruák), isto é, palavras que comumente são traduzidas como adjetivos nas línguas européias. Algumas dessas palavras recebem a marca de sujeito pronominal (ex. unatxitapeka 'ela está com fome'); outras recebem a marca de objeto (ex. ere-ru 'ela é bonita'); e outras podem receber tanto uma como a outra (ex. ny-pĩkareta eu estou com medo vs. papĩkare-nu eu sou medroso). A primeira questão aqui tratada foi quanto ao lugar das palavras descritivas nas partes do discurso Apurinã (são nomes, são verbos ou formam uma classe independente?). Utilizando evidências internas da língua, inicialmente estabelecemos uma classificação gramatical para essas palavras a partir de suas propriedades morfológicas em comparação aos nomes e verbos na língua, de modo a nos permitir responder a essa questão. A segunda questão foi sobre os correlatos semânticos das palavras descritivas. Considerando a divisão interna das palavras descritivas em Apurinã (subjetivas vs. objetivas), apresentamos as propriedades semânticas associadas a cada grupo e, a partir disso, apresentamos uma tentativa de motivar o subagrupamento de conceitos descritivos na língua com base nas noções aspectuais de transitoriedade e permanência. Finalmente, o fenômeno gramatical descrito é contextualizado dentro da tipologia de sistemas de intransitividade cindida descrito para outras línguas (PAYNE: 1997), e a descrição de suas propriedades semânticas é situada em relação à tipologia de aspectos lexicais ou aktionsarten (COMRIE: 1976, FRAWLEY: 1992).