892 resultados para Catalan language -- To 1500 -- Clitics


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I. English and Yoruba.--II. Yoruba and English.

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Self-adaptive systems have the capability to autonomously modify their behavior at run-time in response to changes in their environment. Self-adaptation is particularly necessary for applications that must run continuously, even under adverse conditions and changing requirements; sample domains include automotive systems, telecommunications, and environmental monitoring systems. While a few techniques have been developed to support the monitoring and analysis of requirements for adaptive systems, limited attention has been paid to the actual creation and specification of requirements of self-adaptive systems. As a result, self-adaptivity is often constructed in an ad-hoc manner. In order to support the rigorous specification of adaptive systems requirements, this paper introduces RELAX, a new requirements language for self-adaptive systems that explicitly addresses uncertainty inherent in adaptive systems. We present the formal semantics for RELAX in terms of fuzzy logic, thus enabling a rigorous treatment of requirements that include uncertainty. RELAX enables developers to identify uncertainty in the requirements, thereby facilitating the design of systems that are, by definition, more flexible and amenable to adaptation in a systematic fashion. We illustrate the use of RELAX on smart home applications, including an adaptive assisted living system.

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Clinical decision support systems (CDSSs) often base their knowledge and advice on human expertise. Knowledge representation needs to be in a format that can be easily understood by human users as well as supporting ongoing knowledge engineering, including evolution and consistency of knowledge. This paper reports on the development of an ontology specification for managing knowledge engineering in a CDSS for assessing and managing risks associated with mental-health problems. The Galatean Risk and Safety Tool, GRiST, represents mental-health expertise in the form of a psychological model of classification. The hierarchical structure was directly represented in the machine using an XML document. Functionality of the model and knowledge management were controlled using attributes in the XML nodes, with an accompanying paper manual for specifying how end-user tools should behave when interfacing with the XML. This paper explains the advantages of using the web-ontology language, OWL, as the specification, details some of the issues and problems encountered in translating the psychological model to OWL, and shows how OWL benefits knowledge engineering. The conclusions are that OWL can have an important role in managing complex knowledge domains for systems based on human expertise without impeding the end-users' understanding of the knowledge base. The generic classification model underpinning GRiST makes it applicable to many decision domains and the accompanying OWL specification facilitates its implementation.

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This research arose from the notorious need to promote oral production in the adult learners of the English Extension courses at Universidad del Valle in 2014. This qualitative research was carried out in a 60 hour course divided along 15 sessions on Saturdays, and with an adult population between the ages of 22 and 65 years old. Its main objective was to describe the impact of games aimed at promoting oral production in English with a group of adult learners. Data were collected from one demographic survey, video-recordings of classroom events during the implementation of games, students? surveys after each game and a teacher?s journal. The analysis of data showed that games did have an impact in students? performance which was related to a positive atmosphere in the classroom. Students showed progress in terms of fluency, interaction and even pronunciation; however they still showed difficulties with accuracy in their spontaneous utterances. These learners? achievements seemed to have a relation with the class atmosphere during games where students showed high level of involvement, confidence, mutual support and enjoyment.

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Intersubjectivity is an important concept in psychology and sociology. It refers to sharing conceptualizations through social interactions in a community and using such shared conceptualization as a resource to interpret things that happen in everyday life. In this work, we make use of intersubjectivity as the basis to model shared stance and subjectivity for sentiment analysis. We construct an intersubjectivity network which links review writers, terms they used, as well as the polarities of the terms. Based on this network model, we propose a method to learn writer embeddings which are subsequently incorporated into a convolutional neural network for sentiment analysis. Evaluations on the IMDB, Yelp 2013 and Yelp 2014 datasets show that the proposed approach has achieved the state-of-the-art performance.

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Estudi sobre la negació en el castellà antic des d'un punt de vista sincrònic i dins el marc de la gramàtica generativa

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El sintagma determinant en el castellà antic medieval

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En esta comunicación se presentan los resultados de un trabajo en curso cuyo objetivo es profundizar en la explicación de la naturaleza del cambio lingüístico que comporta la progresiva sustitución de ser por estar en castellano medieval y en la periodización de este cambio. La comunicación se organiza en cuatro apartados. El primero expone los aspectos generales del comportamiento de ser y estar en oraciones atributivas, pasivas resultativas y construcciones locativas. El segundo se centra en la descripción de la distribución de estos verbos en el Cantar de Myo Çid, obra en la que estar se atestigua únicamente en construcciones locativas. En el tercer apartado se examinan los datos del Calila e Dimna, los cuales ponen de manifiesto el avance de estar en detrimento de ser en oraciones atributivas cuyo predicado expresa estado, en algunas pasivas resultativas y en construcciones locativas. El último apartado presenta una propuesta de análisis en la línea de Roberts y Roussou (1999, 2002 y 2003) que es perfectamente compatible con las propuestas pragmáticas en la línea de la Teoría de la Relevancia