2012 7th Colombian Computing Congress (CCC)

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Publication Year: 2012, Page(s): 1
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• [Front cover]

Publication Year: 2012, Page(s): 1
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• Author index

Publication Year: 2012, Page(s):1 - 2
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Publication Year: 2012, Page(s):1 - 3
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• Analysis and selection to requirements elicitation techniques

Publication Year: 2012, Page(s):1 - 7
Cited by:  Papers (1)
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In the process of elicitation of requirements appear two kinds of problems, the essential and the accidental, and to confront them have been proposed several elicitation techniques. In this revision work is analyze and evaluate these techniques, is presents a comparative review study of techniques, and is assumed to elicitation as the first phase in requirements engineering. The objective to point... View full abstract»

• A comparison of block-matching motion estimation algorithms

Publication Year: 2012, Page(s):1 - 6
Cited by:  Papers (15)
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Block-matching motion estimation is an efficient algorithm for reducing the temporal redundancy in video coding and is adopted by video coding standards. Many fast block-matching algorithms have been devised to reduce the computational complexity without degrading the estimation quality. Seven algorithms are implemented and compared - using quality of prediction and efficiency: the full-search, th... View full abstract»

• A framework for high performance image analysis pipelines

Publication Year: 2012, Page(s):1 - 6
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This paper describes the software framework being developed to enable the execution of large-scale image analysis pipelines. Images are analyzed through algorithms (feature extraction, annotation, classification, etc.) assembled into processing pipelines and managed by the framework to be run onto the available computing resources, whether cloud, opportunistic or dedicated clusters. Underneath, we... View full abstract»

• Navigation and obstacle avoidance in an unstructured environment Videogame through recurrent neural networks continuous time (CTRNN)

Publication Year: 2012, Page(s):1 - 6
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Evolutionary robotics (ER) is a methodology that uses evolutionary computation to develop controllers for autonomous robots. One of the most important ER techniques is based on using Continuous-Time Recurrent Neural Network (CTRNNs) for designing virtual agents and videogames avatars. In this paper, this methodology is used in a videogames field. Specifically, we design virtual bots with CTRNNs as... View full abstract»

• Methodological proposal to evaluate the usability of Interactive Digital Television applications

Publication Year: 2012, Page(s):1 - 6
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Usability is considered one of the basic attributes of any interactive system. It is a concept that includes a set of metrics and methods with the objective to obtain systems easy to use and easy to learn. The usability evaluation methods, that allow the measurement of the usability attributes, are diverse. Its realization depends of variables like costs, time availability, human resources, etc. A... View full abstract»

• ELLES-Enterprise lessons learned system

Publication Year: 2012, Page(s):1 - 6
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Knowledge is one of the most important companies' assets, and that obtained from the experience in projects is of particular interest, as it provides the necessary tools to face and solve future problematic situations. This article presents ELLES, as a tool to generate a lessons learned repository in the domain of software development, based on the ontology LELEO, also a product of this work. The ... View full abstract»

• Calculating indicators for simulation of IT architecture models

Publication Year: 2012, Page(s):1 - 6
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Simulation is a widely used technique to experiment with the architecture of a complex system without affecting it. Furthermore, it enables observing responses to informational, organizational and environmental changes in order to make analysis over the architecture accordingly. In simulation, experimentation over an IT architecture implies defining a model of the architecture, which must include ... View full abstract»

• Supplier selection service-case study UTB

Publication Year: 2012, Page(s):1 - 6
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Supplier selection supported by methods based on computational tools are fundamental enterprise actions. This paper proposes the development of supplier selection model supported on a computational tool, using the purchasing department of Universidad Tecnológica de Bolívar as a case study. The review of different decision making techniques, yielded AHP as the most appropiate techni... View full abstract»

• Information retrieval on ontology based in keywords

Publication Year: 2012, Page(s):1 - 5
Cited by:  Papers (1)
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This paper presents a method of retrieval information on ontologies that allow users to view a keyword or descriptor closely related concepts get it. The application is divided into two modules that are: storing ontologies in relational databases and search on that database using keywords. For storage was created a scheme based on ontological components and finding the words was performed with an ... View full abstract»

• A recommendation-based web content mining model for an university community

Publication Year: 2012, Page(s):1 - 6
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This article presents a recommendation-based web content mining model applied to the navigation data from an university community. The recommendation is based on an offline module that does the grouping of the web documents using a vector space model and the Bisecting KMeans algorithm, and an online module that selects the closest cluster and documents of the query document (actual navigation). Ta... View full abstract»

• SEO (Search Engine Optimization) schema application for websites with an emphasis on optimizing pages developed in flash

Publication Year: 2012, Page(s):1 - 6
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This paper presents an application schema SEO (Search Engine Optimization) for flash websites and delivers a proven working guide that defines the guidelines to be followed based on the study of effective techniques and best practices to position the sites web at the top results in search engines. View full abstract»

• XA: An XP extension for supporting architecture practices

Publication Year: 2012, Page(s):1 - 6
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Reports about application of the Extreme Programming - XP method, have evidenced scalability problems in both, the team size and the problem complexity. When the problem is more complex and the team size is bigger, organization of team, project and product became to have more relevance. Architecture practices deal with these concerns, so these are key elements for achieving any scalable XP extensi... View full abstract»

• Approach to adaptive recovery of customized LO according to the type of device

Publication Year: 2012, Page(s):1 - 6
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The possibilities of accessing learning objects (LO) from different devices require to analyze not only the specific conditions of the user but the metadata of the educational resources stored. The type of device from which the search is made has some functional constraints concerning the way of displaying information and possible interaction. This paper deals with the proposal of an approach to a... View full abstract»

• Bacterial conjugation simulation using hexagonal cellular automaton

Publication Year: 2012, Page(s):1 - 6
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This article proposes an approach to simulate the bacterial conjugation population using a cellular automaton with hexagonal cells and hexagonal neighborhood. Each cell has two possible values, empty or containing a bacterium, while each bacterium has two states: recipient or donor. Each donor bacterium has a pilus, represented by a red line, in one of its edges and the capability of donating gene... View full abstract»

• Modeling the HIV life cycle using the NTCC calculus

Publication Year: 2012, Page(s):1 - 6
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This paper shows how to use the ntcc calculus constructors to model binder-receptor biological systems, it is shown by building an ntcc model for the HIV life cycle. In order to make the model more accurate, we also tackle the problem of using the parallel ntcc operator with reactions that share a same type of molecule in the same time unit. View full abstract»

• Different approach to virtual worlds: Used as a strategy to complement the therapies of dyslalia

Publication Year: 2012, Page(s):1 - 6
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Access and use of Information and Communications Technology (ICT) provides an opportunity for people with or without disability to communicate and interact. Virtual worlds may also be a means of empowerment for develop some skills and overcome some difficulties. This paper presents a design project where the goal was to develop a virtual world for supporting interaction of children with dyslalia. ... View full abstract»

• Implementing IEEE 802.15.4-based communications in sensor nodes aimed for biomedical signal monitoring

Publication Year: 2012, Page(s):1 - 6
Cited by:  Papers (2)
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We present the most significant issues found during the implementation of IEEE 802.15.4-based communications in a set of wireless sensor nodes developed for ambulatory biomedical signal monitoring. The technical specifications of the Personal Area Network Coordinator and these of a body temperature sensor node are described. Topics regarding to network functioning like topology, device roles, medi... View full abstract»

• Fault detection and diagnosis for wind turbines using data-driven approach

Publication Year: 2012, Page(s):1 - 6
Cited by:  Papers (2)
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One of the greatest drawbacks in wind energy generation are the high maintenance costs associated to mechanical faults. In order to reduce these impacts have been integrated fault detection system in wind turbines, known as FDD's (Fault detection and Diagnosis System'). The approach to the development of FDD systems presented is known as Data-Driven' (FDD-DD) which involves the use of collection... View full abstract»

• Parameters estimation for nonlinear moving average model using Supernova metaheuristic

Publication Year: 2012, Page(s):1 - 5
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In the practice, to find the parameters for nonlinear Moving average(NLMA) models is difficult because there are not analytical way to solve maximum likelihood function. In this paper, we compare the parameters estimated for NLMA model with Supernova and PSO-DE algorithm. We found that Supernova estimation is better in terms of a reduction of error and nearest solutions to optimal point. View full abstract»

• Complexity of Cayley distance and other general metrics on permutation groups

Publication Year: 2012, Page(s):1 - 6
Cited by:  Papers (3)
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Permutation groups arise as important structures in group theory because many algebraic properties about them are well-known, which makes modeling natural phenomena by permutations of practical interest. Usability of the involved algebraic notions is illustrated by problems such as genome rearrangement by reversals for which it is well-known that for the case of unsigned and signed sorting by reve... View full abstract»

• Effective detection of model changes

Publication Year: 2012, Page(s):1 - 5
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Model-driven software development (MDSD) is promising alternative in software engineering that proposes the use of models, not only as documentation artifacts, but also as first-class entities. Over the past few years, this approach has gained importance due to its proven benefits in terms of reusability and flexibility. However, the well-known problem of software evolution is also relevant in MDS... View full abstract»