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Acople Tecnológico SAS is a Colombian enterprise specializing in software development whose products use devices for biometric facial and fingerprint recognition. The functional overlap of such products provides an opportunity for systematic reuse, which reduces software development and maintenance costs. In this paper we report our experiences, lessons learned and future work from applying concepts of software product line engineering to evolve three of its different software applications into a software product line. Based on our experience, we explain how we have tailored existing concepts of product line engineering, specifically how we have followed the process thus far, which includes the variability analysis that refers to the study of commonalities and variabilities among a set of software applications, the development of reusable software assets, and the derivation of individual products from the product line.

This study evaluated the impact of multimedia in the information transfer of subjects specific to Tropical Diseases - Tetanus and Snake Envenoming. We evaluated the autonomous learning process of 76 fourth-year medical students at Botucatu School of Medicine of UNESP, using printed matter, video, and CD-ROM. The students were submitted to a specific test, which was repeated approximately one week later. They were divided into groups and received a kit containing a textbook, a video, and a CD-ROM. These materials were used for out-of-class study. Before the second test, the students gave a seminar,where they discussed and resolved their doubts with their professor. The results of the first test showed averagesbetween 4.27±1.41 and 6.41±1.61. The second test, given after the seminar, presented averages that increased to 8.41±0.76 and 9.52±0.42, significance a = 5%. At the end of the course, the students answered a questionnaire, which evaluated the material quality and acquired knowledge. The students concluded that multimedia was a more efficient and quick means for knowledge building than traditional teaching materials. They said that the active participation and interactivity with the CD-ROM were the major differences. The authors continue to study the associated use of printed matter, video, and CD-ROM as a faster alternative to the traditional method of information transfer, which may be of help in the knowledge building process in medical education