Alejandro Padilla

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The time spent by users are almost two or more hours looking for papers that generates the possibility to make a search engine to optimize and precision in the results. This works purposes a better classification of research papers, the architecture works with a database of knowledge related with the topics of programming, databases and operating systems.(More)
C57Bl/6J and BALB/cAnN inbred strains of mice differed significantly in mortality and symptoms when intoxicated subcutaneously with one LD(50) of venom from Centruroides limpidus limpidus. Higher mortality was observed in C57Bl/6J than in BALB/cAnN. Also, C57Bl/6J mice more quickly developed muscular and respiratory collapse whilst BALB/cAnN mice were(More)
Many problems involve not structured environments which can be solved from the perspective of particle swarm optimization (PSO). In this research analyze the voting behavior in a popular song contest held every year in Europe. The dataset makes it possible to analyze the determinants of success, and gives a rare opportunity to run a direct test of vote(More)
This paper presents an improvement in the process of diversification of populations in the genetic algorithms using immigration and an appropriate selection of operators. The proposal significantly enhance the quality of solutions obtained, because it prevents premature convergence like result from the loss of diversity in the genetic material of(More)
The use of learning objects across multiple platforms and the creation of learning repositories that are used to direct access into the learning objects and the deployment has been generated a new need in applying information, they are considered as educational resources that can be employed in technology-support learning, just like the use of a chatterbot,(More)
Mortality rates of mice and their levels of anti-venom and anti-F(ab')2 antibodies were assessed after three episodes of subcutaneous envenomations with or without treatment with horse F(ab')2. Soluble venom from the Mexican scorpion Centruroides limpidus limpidus was used for these experiments. Repetition of episodes did not induce different mortality(More)
This paper describes two novel cartesian control algorithms, in order to balance a humanoid robot on a variable slope surface. Two approaches have been developed, one takes into account the body attitude sensors feedback; and the other one, the body forward kinematics feedback. The first method takes the robot's body attitude sensors measures, that is the(More)
This document reports the first phase of an ongoing project aimed at combining technology roadmapping (TRM), a methodology for technology and innovation planning, and TRIZ, an approach for systematic inventive problem solving. The overall objective is to develop an enhanced methodology for systematic innovation planning, strategy and problem solving. This(More)