Habil.-Schr. Univ. Hannover, 2006.

La pandemia por coronavirus a nivel mundial, ha cambiado el rumbo de la educación, de presencial a remota, totalmente distinta. En respuesta a este contexto, se realizó una investigación con el objetivo de demostrar el efecto positivo del uso didáctico del procesador Publisher para potenciar el aprendizaje significativo en la competencia “explica el mundo físico basándose en conocimientos científicos sobre materia y energía, biodiversidad, tierra y universo” del área ciencia y tecnología en estudiantes de quinto grado de educación secundaria de la Institución Educativa Monseñor Juan Tomis Stack de la ciudad de Chiclayo. Se utilizó el diseño pre experimental con pre y pos prueba, a una muestra de 102 estudiantes seleccionados de manera no probabilística. Se aplicó un programa basado en actividades incorporadas en experiencias de aprendizaje propuestas por la estrategia Aprendo en casa del Ministerio de Educación. Los resultados obtenidos indican que el 72% de los estudiantes logran elevar su rendimiento académico tras la aplicación del programa, permitiendo que superen hasta en cinco (5) puntos en comparación a la prueba inicial. En tal sentido, la elaboración de material didáctico utilizando las bondades del procesador Publisher demostró su eficacia a lo largo de la competencia en estudio, lo que pone de manifiesto la importancia de las tecnologías de la información en el logro del aprendizaje activo y la necesidad de utilizarlas en los procesos de mediación, reforzamiento y retroalimentación docente en escenarios virtuales y/o presenciales.

The way and pace at which information is generated, organized and used is witnessed rapid strides in recent times. Hence, the discipline of LIS meant to manage and provide information service may not be taught effectively and practiced perfectly through a framed curriculum in the formal education steam alone. Driven by the market demands and user needs, the discipline is embracing other disciplines like computers, communication technology, cognition research etc. to continuously monitor and augment their skills to arrive at â pinpointed information from the delugeâ . Manual means of tackling information will not help the user/professional to solve emerging problems in the actual research setup and also the present day researchers expect a faster response to their information needs. Information management and servicing in a highly matured and skill intensive activity and it requires people with different educational backgrounds. Electronic access is increasingly providing a large proportion of current information instead of print and allowing access through a variety of platforms on a twenty-four hour basis. As the traditional custodians of information, librarians need to be aware of the implications of these changes and develop technological and managerial skills that will enable them to make effective use of information to meet their organization and changing needs. However, many librarians lack confidence to learn and master the skills required in adopting the increasingly sophisticated technology. It is vital that they must be kept in touch with modern developments and maintains a proactive approach to work in an ever-changing information world. Professional profiles are changing so rapidly and very radically these days impacting the librarianâ s portfolio, since libraries are becoming knowledge management organizations with librarians as their active agents. Perhaps the most important development of libraries during the current decade has been the move from organizational self-sufficiency to a collaborative survival mode as personified by the growth of library consortia. Information technology is now a level of cooperation that is much broader and deeper than ever before

Test Description / Test Abstract

An alternative technique for shape morphing using a surface generating method using partial differential equations is outlined throughout this work. The boundaryvalue nature that is inherent to this surface generation technique together with its mathematical properties are hereby exploited for creating intermediate shapes between an initial shape and a final one. Four alternative shape morphing techniques are proposed here. The first one is based on the use of a linear combination of the boundary conditions associated with the initial and final surfaces, the second one consists of varying the Fourier mode for which the PDE is solved whilst the third results from a combination of the first two. The fourth of these alternatives is based on the manipulation of the spine of the surfaces, which is computed as a by-product of the solution. Results of morphing sequences between two topologically nonequivalent surfaces are presented. Thus, it is shown that the PDE based approach for morphing is capable of obtaining smooth intermediate surfaces automatically in most of the methodologies presented in this work and the spine has been revealed as a powerful tool for morphing surfaces arising from the method proposed here.

One of the challenging problems in geometric modeling and computer graphics is the construction of realistic human facial geometry. Such geometry are essential for a wide range of applications, such as 3D face recognition, virtual reality applications, facial expression simulation and computer based plastic surgery application. This paper addresses a method for the construction of 3D geometry of human faces based on the use of Elliptic Partial Differential Equations (PDE). Here the geometry corresponding to a human face is treated as a set of surface patches, whereby each surface patch is represented using four boundary curves in the 3-space that formulate the appropriate boundary conditions for the chosen PDE. These boundary curves are extracted automatically using 3D data of human faces obtained using a 3D scanner. The solution of the PDE generates a continuous single surface patch describing the geometry of the original scanned data. In this study, through a number of experimental verifications we have shown the efficiency of the PDE based method for 3D facial surface reconstruction using scan data. In addition to this, we also show that our approach provides an efficient way of facial representation using a small set of parameters that could be utilized for efficient facial data storage and verification purposes.

Vehicles connected to networks of other vehicles is one promising example of the Internet of Things (IoT). Companies operating fleets of vehicles can benefit from thepossibility to aggregate all of the information that is generated from this network inorder to optimise their logistics and operations. Underlying this network is the need fora communication link that can connect distributed vehicles and efficient protocols tomanage the transmission of information. For vehicles, the cellular network is the best communication infrastructure available.Since cellular usage has a monetary cost that is proportional to data use, this thesisevaluates three protocols (MQTT, MQTT-SN and AMQP) in terms of how much datathey use during typical scenarios with regard to communications patterns and payload.Three different payload sizes were used to simulate different message types, and thepackage loss rate on the communication link was varied from 0% to 30% to bettersimulate real world conditions. The results showed that for small payload sizes the overhead can be the same order ofmagnitude as the payload and MQTT-SN performs significantly better than bothMQTT and AMQP. However, for larger payloads, this effect diminishes. For the largerpayload MQTT-SN actually consumed more data than the other two protocols. Underthe more lossy conditions tested there are some problems running experiments, such asthe underlaying TCP connection breaking in some cases and the time to complete thetask becomes very long. MQTT and AMQP generally performed about the same inmost aspects in the tests, with the exception of how they handle TCPacknowledgements. / Fordon som är anslutna till ett nätverk är en lovande applikation av sakernas internt (eng.Internet of Things). För företag vars kärnverksamhet involverar användandet av fordonkan den information som fordonen generar användas till att förbättra verksamheten. Föratt kunna använda nätverket krävs en kommunikationslänk som ansluter fordonet, samtett kommunikationsprotokoll för att förmedla information. För fordon är mobilnätet den bästa tillgängliga kommunikationslänken för att ansluta demtill internet. Att använda mobilnätet kostar pengar i proportion till den datamängd somanvänds, därför behandlas i denna rapport dataåtgången för tre protokoll, AMQP, MQTToch MQTT-SN. För dessa testar vi tre olika storlekar på nyttodata för att göra testerna merverklighetstrogna för typiska användningssituationer, testar vi dessa under inverkan avpaketförluster mellan 0% till 30% på nätverket. Resultaten från testerna visar att för små storlekar på nyttodata är MQTT-SN det protokollsom konsumerar minst data. För större storlekar på nyttodata är dataanvändningen förAMQP och MQTT ungefär likvärdiga i dataanvändning medans MQTT-SN användermer. Vid höga nivåer av paketförluster tog testerna lång tid och det var inte ovanligt attTCP anslutningen bröts. AMQP och MQTT hade överlag ganska lika beteenden, dockmed undantaget hantering av TCP:s leveranskvittens.

Thesis (MA)--University of Western Sydney, 2004. / Title from title screen (viewed on 1 April 2008). "This thesis is presented in partial fulfilment of the requirements for the degree of Master Of Psychology (Clinical), University Of Western Sydney. 31st March 2004". Includes bibliographical references.

Diss. Wirtsch.-wiss. St. Gallen, 2005 ; Nr. 3119. / Buchhandelsausg. u.d.T.: Qualität in eLearning. Literaturverz.

Background. Esophageal cancer is ranked in the top ten of diagnosed tumors worldwide. Even though improvements in survival could be noticed over the last years, prognosis remains poor. ETS translocation variant 1 (ETV1) is a member of a family of transcription factors and is phosphorylated by mitogen-activated protein kinase (MAPK)-activated protein kinase 2 (MK2). Aim of this study was to evaluate the prognostic role of MK2 and ETV1 in esophageal cancer. Methods. Consecutive patients that underwent surgical resection at the department of surgery at the Medical University of Vienna between 1991 and 2012 were included into this study. After microscopic analysis, tissue micro arrays (TMAs) were created and immunohistochemistry was performed with antibodies against MK2 and ETV1. Results. 323 patients were included in this study. Clinical data was achieved from a prospective patient data base. Nuclear overexpression of MK2 was observed in 143 (44.3%) cases for nuclear staining and in 142 (44.0%) cases a cytoplasmic overexpression of MK2 was observed. Nuclear and cytoplasmic ETV1 overexpression was detected in 20 cases (6.2%) and 30 cases (9.3%), respectively. In univariate survival analysis, cMK2 and nETV1 were found to be significantly associated with patients' overall survival. Whereas overexpression of cMK2 was associated with shorter, nETV1 was associated with longer overall survival. In multivariate survival analysis, both cMK2 and nETV1 were found to be independent prognostic factors for the subgroup of EAC as well. Discussion. Expression of MK2 and ETV1 are prognostic factors in patients, with esophageal adenocarcinoma.