997 resultados para María , Reina Consorte de Juan V, Rey de Portugal
Resumo:
Personal data about users (customers) is a key component for enterprises and large organizations. Its correct analysis and processing can produce relevant knowledge to achieve different business goals. For example, the monetisation of this data has become a valuable asset for many companies, such as Google, Facebook or Twitter, that obtain huge profits mainly from targeted advertising.
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Personalization has become a key factor for the success of new ICT services. However, the personal information required is not always available in a single site, but scattered in heterogeneous sources, and extracting knowledge from raw information is not an easy job. As a result, many organizations struggle to obtain knowledge on their users useful enough for their business purposes. This paper introduces a comprehensive personal data framework that opens the knowledge extraction process up to collaboration by the involvement of new actors, while enabling users to monitor and control it. The contributions have been validated in a financial services scenario where socioeconomic knowledge on some users is generated by tapping into their social network and used to assists them in raising money from their friends.
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Personal data is a key asset for many companies, since this is the essence in providing personalized services. Not all companies, and specifically new entrants to the markets, have the opportunity to access the data they need to run their business. In this paper, we describe a comprehensive personal data framework that allows service providers to share and exchange personal data and knowledge about users, while facilitating users to decide who can access which data and why. We analyze the challenges related to personal data collection, integration, retrieval, and identity and privacy management, and present the framework architecture that addresses them. We also include the validation of the framework in a banking scenario, where social and financial data is collected and properly combined to generate new socio-economic knowledge about users that is then used by a personal lending service.
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La revolución industrial, en todas sus etapas, supuso un cambio que afectó de lleno a la actividad comercial en la ciudad, produciéndose paulatinamente, una separación radical entre los lugares de producción de bienes manufacturados y los de intercambio. Estos últimos, van especializándose, desde las primeras agrupaciones de comercios en pequeños mercados, hasta una de las formas más evolucionadas de superficie comercial en la actualidad, los Parques Comerciales. En base a que actualmente, no hay estudios concluyentes sobre la manera de abordar estos nuevos espacios, se ha considerado el estudio de 17 Parques Comerciales representativos españoles, de este se han obtenido datos según su planeamiento, de los cuales se ha postulado una división de los Parques Comerciales en los que tienen ordenación exclusiva y los que se han desarrollado sin ordenación exclusiva, de la misma manera, se han dividido cada uno de ellos en los que se considera parcela de aparcamiento y en los que la parcela de aparcamiento está incluida en la parcela a edificar, de este manera se han obtenido unos parámetros de dimensionamiento representativos para cada uno de los casos considerados, que van a servir de orientación para el responsable de futuros planeamientos, tales como usos, parámetros de ordenación, distribución urbanística, aparcamientos, etc. También se realiza una clasificación de los Parques Comerciales en función de las dimensiones de las "medianas comerciales" que los corforman. La Tesis postula una nueva definición de Parque Comercial más completa y adaptada a la importancia de este formato comercial, así como unas recomendaciones para su diseño y desarrollo en base a los parámetros urbanísticos obtenidos. Se desarrolla en la Tesis el horizonte previsible de los Parques Comerciales y las posibles nuevas líenas de investigación. The industrial revolution, in all its stages, marked a change that would have a major impact on commercial activity in cities, gradually producing a radical separation between the production sites of manufacturated goods and those of trading goods. The latter are becoming increasingly specialized, from the first trade associations in small markets, up to what is now one of the most highly evolved forms of retail spaces, the Commercial Parks. On the grounds that there are currently no conclusive studies on the manner in which to address these new spaces, a study of 17 prominent Spanish Commercial Parks has been considered, from which data has been obtained based on the way in which they were planned. It has been proposed that these Commercial Parks be divided into those that have been developed without exclusive planning. Likewise, each of these has been divided into those considered as parking lots and those in which the parking area is included in the building plot. In this manner, representative sizing parameters have been obtained for each of the cases considered, which will act as guidelines for the person in charge of future proposals, such as uses, development parameters, town planning, parking, etc. The Commercial Parks have also been classified according to the sizes of the "mid-sized stores" that comprise them. The Thesis proposes a new definition of the Commercial Park, which is more comprehensive and better adapted to the importance of this commercial format, as well as recommendations for design and development based on the urban planning parameters obtained. The Thesis explores the foresseable horizon of Commercial Parks and potential new lines of research.
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Previous research has indicated the need to use large samples in different cultural contexts in order to clarify age and gender differences on morningness-eveningness and sleep habits. The goal of our research was to study the relationship between morningness-eveningness and sleep habits in a large sample of 2,649 adolescents between 12 and 16 years. The Morningness- Eveningness Scale for Children and an adaptation of the School Sleep Habits Survey measures were used. Results indicated a greater tendency toward eveningness with age and higher eveningness in 13- and 14-year-old girls. Older adolescents claimed later rising time on weekends, later bedtime and shorter sleep length, and greater social jetlag, weekend rise time delay, and weekend bedtime delay. Girls reported earlier rising time on weekdays, later rising time on weekends, longer sleep length on weekends, and greater social jetlag and weekend rising time delay. Lastly, evening oriented adolescents claimed later rising time and bedtime, shorter sleep length on weekdays but longer sleep duration on weekends, and greater social jetlag, weekend rising time delay, and weekend bedtime delay.
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El objetivo de este trabajo fue estudiar la relación entre la matutinidad-vespertinidad y la ansiedad rasgo en adolescentes. La muestra estaba formada por 638 adolescentes de 12 a 14 años. Se midió la matutinidadvespertinidad mediante la Escala de Matutinidad-Vespertinidad para Niños, MESC (Carskadon, Vieira y Acebo, 1993) y la ansiedad rasgo mediante el Inventario de Ansiedad Estado-Rasgo para niños, STAIC (Spielberger, Edwards, Lushene, Montuori y Platzek, 1973; Spielberger, Edwards y Lushene, 1990). Los resultados indicaron que las chicas eran más vespertinas, que la vespertinidad aumentaba con la edad y una relación negativa entre matutinidad y ansiedad rasgo. Aquellos adolescentes más vespertinos obtuvieron una mayor ansiedad rasgo, posiblemente debido a un mayor desajusteentre los ritmos biológicos y sociales (horarios escolares matutinos
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Se trata de un artículo de divulgación, una breve revisión de la historia de la producción de carbonato sódico a partir de la barrilla.
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McCabe-Thiele and Ponchon-Savarit methods are two classical graphical methods for the design of binary distillation columns very useful for didactical purposes and for preliminary calculations. Nevertheless, their description in the literature is not complete and not all the cases are analysed. To complete the academic literature dealing with this subject we have generalized equations for the operating lines or DP that define the change between two consecutive sectors ΔkC for any feed condition, together with the different possibilities to extract products or to add or remove heat. A consistent analysis of what may happen when changing between sectors in the column is presented.
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Results show that it is possible to activate a low softening point isotropic petroleum pitch, without intermediate pre-treatments, by chemical activation with KOH. The chemical activation is carried out by direct heat treatment of a mixture of the isotropic pitch and KOH. It produces activated carbons (ACs) with micropore volumes as high as 1.12 cm3/g, and BET surface areas around 3000 m2/g. The activating agent/precursor ratios studied (from 1/1 to 4/1; wt./wt.) show, as expected, that increasing the ratio enhances the adsorption characteristics of the resulting AC.
Resumo:
The paper provides interesting evidences that a low softening point isotropic petroleum pitch can be used as a good carbon precursor for the preparation of activated carbons. The activation is carried out by KOH and/or NaOH and the resulting activated carbons present well developed porosity. Such hydroxide activations can be done directly on the pristine petroleum pitch (P) or on the pitch that has been submitted to an air stabilisation followed by a N2 heat treatment (TAN). In general, KOH activation produces better results than NaOH, both in terms of porosity and yield, the results obtained for the activation of TAN being impressive because of the good porosity developments and high yields reached. The different treatments carried out over the petroleum pitch precursor clearly show that they significantly influence the extent of microporosity development. This is due to different changes occurring in the porous structure of the precursor as a function of the treatment carried out. The efficiency of the activation process increases as the mesophase content of the precursor decreases, as well as the mesophase formation during the activation process is avoided.
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Índice de BICs del PEPTHA (Plan Especial de Protección de las Torres de la Huerta de Alicante), sin aprobación definitiva.
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Ficha (1ª) del Faro del Cabo de Huertas del PEPTHA (Plan Especial de Protección de las Torres de la Huerta de Alicante), sin aprobación definitiva.
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Ficha (2ª) del Faro del Cabo de Huertas del PEPTHA (Plan Especial de Protección de las Torres de la Huerta de Alicante), sin aprobación definitiva.