E. C. M. Ishikawa

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
The excessive use of attributes may affect the search for patterns and extraction of useful knowledge, because they harm the learning performance of algorithms in both speed and success rate. The use of dimensionality reduction methods is therefore an important alternative; however, these methods do not deal with the reduction of attributes in a specific(More)
This paper proposes a dynamic approach for price adjustment of computational resources ruled by a Desktop Grid. The adopted strategies are based on the supply and demand law commonly applied in economical markets. Thus, allows one to dynamically set the prices according to the previous requested consumer's services and supplier's submitted resources. The(More)
The execution of collaborative activities enables interaction among its participants, however, the real problem is to evaluate how much each subject contributed in the development of the activity. The evaluation process allows to inform important aspects about the individual or the group, such as: reliability, interdependence, flexibility, commitment,(More)
  • 1