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Notes | Approved | no | |||
Call Number | Serial | 218 | |||
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Author | Del Pino, J.; Salazar, G.; Cedeño, V. Msc. | ||||
Title | Adaptación de un Recomendador de Filtro Colaborativo Basado en el Usuario para la Creación de un Recomendador de Materias de Pregrado Basado en el Historial Académico de los Estudiantes | Type | Journal Article | ||
Year | 2011 | Publication | Revista Tecnológica ESPOL | Abbreviated Journal | |
Volume | Vol. 24 | Issue | Pages | pp. 29 - 34 | |
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Abstract | Los sistemas de recomendación son ampliamente utilizados hoy en día gracias a su capacidad de analizar las preferencias de usuarios y sugerir ítems. No obstante, el uso de los recomendadores está limitado a un modelo basado en el usuario y no en su historial de preferencias, discriminando así el campo de aplicación, por ejemplo, a sistemas académicos donde sea primordial el estudio de las decisiones del estudiante a lo largo de su carrera. El presente trabajo presenta un esfuerzo por adaptar filtros colaborativos basados en el usuario a filtros colaborativos basados en el historial del usuario. Con un conjunto de pruebas mediremos su efectividad utilizando dos algoritmos distintos de similaridad para recomendar materias a un estudiante en el sexto semestre de la carrera de Ingeniería en Electrónica y Telecomunicaciones ofertada por la FIEC – ESPOL. Los resultados muestran que es factible adaptar un recomendador a un modelo basado en el historial del usuario |
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Address | Campus “Gustavo Galindo Velasco” La prosperina Km 30,5 vía perimetral, Guayaquil, Ecuador | ||||
Corporate Author | Thesis | ||||
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Language | Español | Summary Language | Español | Original Title | |
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Call Number | cidis @ cidis @ | Serial | 13 | ||
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Author | Arias Alexandra. Ing.; Peña Roxanna. Ing.; Chávez Patricia. MSEE.; Basurto Juan. Ing | ||||
Title | Análisis Comparativo de la Implementación de una PBX de Código Abierto instalada en un Servidor Tradicional y en un Enrutador Inalámbrico en términos de Calidad de Servicio en Redes Inalámbricas Amalladas | Type | Journal Article | ||
Year | 2011 | Publication | Revista Tecnologica ESPOL RTE | Abbreviated Journal | |
Volume | Vol. 24 | Issue | Pages | pp. 1-6 | |
Keywords | Redes Inalámbricas Mesh, VoIP, Asterisk | ||||
Abstract | El presente trabajo compara dos Implementaciones de Centrales Telefónicas VoIP de Código Abierto implementados sobre una Red Inalámbrica Amallada. El primero comprende la instalación de la PBX en un servidor tradicional y el segundo la instalación de una PBX en un enrutador inalámbrico. Nuestro objetivo es determinar cuál de estos dos sistemas es superior en cuanto a calidad de servicio se refiere. Para determinar la mejor solución, realizamos un estudio técnico de los paquetes capturados durante diferentes pruebas, considerando parámetros como el ancho de banda, retardo y jitter. Nuestros métodos de análisis pueden ser utilizados para futuros trabajos con una mayor complejidad y número de enrutadores inalámbrico, así como establecer el grado de afectación y el comportamiento de las dos PBX cuando haya congestión en la red. |
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Address | Escuela Superior Politécnica del Litoral Km 30.5 vía Perimetral | ||||
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Publisher | Place of Publication | Guayaquil, Guayas Ecuador | Editor | ||
Language | Español | Summary Language | Original Title | ||
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Notes | Approved | no | |||
Call Number | cidis @ cidis @ | Serial | 14 | ||
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Author | Mónica Villavicencio; Alain Abran | ||||
Title | Facts and Perceptions Regarding Software Measurement in Education and in Practice: Preliminary Results | Type | Journal Article | ||
Year | 2011 | Publication | Journal of Software Engineering and Application | Abbreviated Journal | |
Volume | Issue | Pages | pp. 227-234 | ||
Keywords | Software measurement, education, software engineering | ||||
Abstract | How is software measurement addressed in undergraduate and graduate programs in universities? Do organizations consider that the graduating students they hire have an adequate knowledge of software measurement? To answer these and related questions, a survey was administered to participants who attended the IWSM-MENSURA 2010 conference in Stuttgart, Germany. Forty-seven of the 69 conference participants (including software development practitioners, software measurement consultants, university professors, and graduate students) took part in the survey. The results indicate that software measurement topics are: A) covered mostly at the graduate level and not at the undergraduate level, and B) not mandatory. Graduate students and professors consider that, of the measurement topics covered in university curricula, specific topics, such as measures for the requirements phase, and measurement techniques and tools, receive more attention in the academic context. A common observation of the practitioners who participated in the survey was that students hired as new employees bring limited software measurement-related knowledge to their organizations. Discussion of the findings and directions for future research are presented. | ||||
Address | 2 CIDIS-FIEC, Escuela Superior Politécnica del Litoral (ESPOL), Guayaquil, Ecuador | ||||
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Language | English | Summary Language | English | Original Title | |
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Notes | Approved | no | |||
Call Number | cidis @ cidis @ | Serial | 17 | ||
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Author | Carlos Monsalve; Alain April and Alain Abran | ||||
Title | Measuring software functional size from business process models | Type | Journal Article | ||
Year | 2011 | Publication | International Journal of Software Engineering and Knowledge Engineering | Abbreviated Journal | |
Volume | Vol. 21 | Issue | Pages | pp. 311–338 | |
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Abstract | ISO 14143-1 specifies that a functional size measurement (FSM) method must provide measurement procedures to quantify the functional user requirements (FURs) of software. Such quantitative information, functional size, is typically used, for instance, in software estimation. One of the international standards for FSM is the COSMIC FSM method — ISO 19761 — which was designed to be applied both to the business application (BA) software domain and to the real-time software domain. A recurrent problem in FSM is the availability and quality of the inputs required for measurement purposes; that is, well documented FURs. Business process (BP) models, as they are commonly used to gather requirements from the early stages of a project, could be a valuable source of information for FSM. In a previous article, the feasibility of such an approach for the BA domain was analyzed using the Qualigram BP modeling notation. This paper complements that work by: (1) analyzing the use of BPMN for FSM in the BA domain; (2) presenting notation-independent guidelines for the BA domain; and (3) analyzing the possibility of using BP models to perform FSM in the real-time domain. The measurement results obtained from BP models are compared with those of previous FSM case studies. | ||||
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Language | English | Summary Language | English | Original Title | |
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Notes | Approved | no | |||
Call Number | cidis @ cidis @ | Serial | 19 | ||
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Author | Cristina L. Abad; Yi Lu; Roy H. Campbell | ||||
Title | DARE: Adaptive Data Replication for Efficient Cluster Scheduling | Type | Conference Article | ||
Year | 2011 | Publication | IEEE International Conference on Cluster Computing, 2011 | Abbreviated Journal | |
Volume | Issue | Pages | 159 - 168 | ||
Keywords | MapReduce, replication, scheduling, locality | ||||
Abstract | Placing data as close as possible to computation is a common practice of data intensive systems, commonly referred to as the data locality problem. By analyzing existing production systems, we confirm the benefit of data locality and find that data have different popularity and varying correlation of accesses. We propose DARE, a distributed adaptive data replication algorithm that aids the scheduler to achieve better data locality. DARE solves two problems, how many replicas to allocate for each file and where to place them, using probabilistic sampling and a competitive aging algorithm independently at each node. It takes advantage of existing remote data accesses in the system and incurs no extra network usage. Using two mixed workload traces from Facebook, we show that DARE improves data locality by more than 7 times with the FIFO scheduler in Hadoop and achieves more than 85% data locality for the FAIR scheduler with delay scheduling. Turnaround time and job slowdown are reduced by 19% and 25%, respectively. | ||||
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Language | English | Summary Language | English | Original Title | |
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Notes | Approved | yes | |||
Call Number | cidis @ cidis @ | Serial | 21 | ||
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Author | Dennis G. Romero; A. F. Neto; T. F. Bastos; Boris X. Vintimilla | ||||
Title | An approach to automatic assistance in physiotherapy based on on-line movement identification. | Type | Conference Article | ||
Year | 2012 | Publication | VI Andean Region International Conference – ANDESCON 2012 | Abbreviated Journal | |
Volume | Issue | Pages | |||
Keywords | patient rehabilitation, patient treatment, statistical analysis | ||||
Abstract | This paper describes a method for on-line movement identification, oriented to patient’s movement evaluation during physiotherapy. An analysis based on Mahalanobis distance between temporal windows is performed to identify the “idle/motion” state, which defines the beginning and end of the patient’s movement, for posterior patterns extraction based on Relative Wavelet Energy from sequences of invariant moments. | ||||
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Publisher | IEEE | Place of Publication | Andean Region International Conference (ANDESCON), 2012 VI | Editor | |
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Notes | Approved | no | |||
Call Number | cidis @ cidis @ | Serial | 24 | ||
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Author | A. Amato; F. Lumbreras; Angel D. Sappa | ||||
Title | A general-purpose crowdsourcing platform for mobile devices | Type | Conference Article | ||
Year | 2014 | Publication | Computer Vision Theory and Applications (VISAPP), 2014 International Conference on, Lisbon, Portugal, 2014 | Abbreviated Journal | |
Volume | 3 | Issue | Pages | 211-215 | |
Keywords | Crowdsourcing Platform, Mobile Crowdsourcing | ||||
Abstract | This paper presents details of a general purpose micro-taskon-demand platform based on the crowdsourcing philosophy. This platformwas specifically developed for mobile devices in order to exploit the strengths of such devices; namely: i) massivity, ii) ubiquityand iii) embedded sensors.The combined use of mobile platforms and the crowdsourcing model allows to tackle from the simplest to the most complex tasks.Users experience is the highlighted feature of this platform (this fact is extended to both task-proposer and task- solver).Proper tools according with a specific task are provided to a task-solver in order to perform his/her job in a simpler, faster and appealing way.Moreover, a task can be easily submitted by just selecting predefined templates, which cover a wide range of possible applications.Examples of its usage in computer vision and computer games are provided illustrating the potentiality of the platform. | ||||
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Publisher | IEEE | Place of Publication | Lisbon, Portugal | Editor | |
Language | English | Summary Language | English | Original Title | |
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Area | Expedition | Conference | Computer Vision Theory and Applications (VISAPP), 2014 International Conference on | ||
Notes | Approved | no | |||
Call Number | cidis @ cidis @ | Serial | 25 | ||
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Author | Ricaurte P; Chilán C; Cristhian A. Aguilera; Boris X. Vintimilla; Angel D. Sappa | ||||
Title | Feature Point Descriptors: Infrared and Visible Spectra | Type | Journal Article | ||
Year | 2014 | Publication | Sensors Journal | Abbreviated Journal | |
Volume | Vol. 14 | Issue | Pages | pp. 3690-3701 | |
Keywords | cross-spectral imaging; feature point descriptors | ||||
Abstract | This manuscript evaluates the behavior of classical feature point descriptors when they are used in images from long-wave infrared spectral band and compare them with the results obtained in the visible spectrum. Robustness to changes in rotation, scaling, blur, and additive noise are analyzed using a state of the art framework. Experimental results using a cross-spectral outdoor image data set are presented and conclusions from these experiments are given. | ||||
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Notes | Approved | no | |||
Call Number | cidis @ cidis @ | Serial | 28 | ||
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Author | Dennis G. Romero, Anselmo Frizera N., & Teodiano Freire B. | ||||
Title | Reconocimiento en-línea de acciones humanas basado en patrones de RWE aplicado en ventanas dinámicas de momentos invariantes. | Type | Journal Article | ||
Year | 2014 | Publication | Revista Iberoamericana de Automática e Informática industrial 00 (2014) | Abbreviated Journal | |
Volume | Vol. 11 | Issue | Pages | pp. 202-211 | |
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Notes | Approved | no | |||
Call Number | cidis @ cidis @ | Serial | 220 | ||
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