Veronica Oliveira de Carvalho in research grants and scholarships supported by FAPESP.
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Association, one of the data mining techniques, identifies all the intrinsic relationships in database. However, this characteristic, which can be advantageous on the one hand, generates a large number of patterns. Thus, the post-processing of the discovered rules becomes an important topic, since it is necessary to validate the rules. To do so, many approaches have been used, as the clus…
Associative classifiers (ACs) are predictive models based on association rules (ARs). The algorithms of this family generate the models in three or four steps, the second of which is responsible for ranking the classification association rules (CARs), a special type of AR that contains a class as a consequent. This step is commonly performed using two objective measures (OMs), support and…
Associative classification, which has been widely used in several domains, aims to obtain a predictive model in which the process is based on the extraction of association rules (ARs). Model generation occurs in stages, one of them focused on ranking and pruning a set of rules. Regarding ranking, one of the solutions is to sort the rules through objective measures (OMs). Ranking criterion…
Many objective evaluation measures (OMs) have been proposed in the last years as a mean of post-processing association rules. Therefore, the first challenge during an exploration process is to decide which OM to use. For that, one can: (a) reduce the number of OMs to be chosen; (b) aggregate OMs' values in one importance's value as a mean of not selecting a suitable OM. The problem with (…
One of the problems related to the use of association rules refers to the number of patterns that are generated, which complicates the interpretation of the obtained rules. In order to overcome this problem, it was proposed in project FAPESP 2010/07879-0 the PAR-COM methodology. The methodology presents good results when applied to structured data. However, as a huge part of the informati…
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| 3 / 3 | Completed research grants |
| 1 / 1 | Ongoing scholarships in Brazil |
| 4 / 4 | Completed scholarships in Brazil |
| 8 / 8 | All research grants and scholarships |
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