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| Content Provider | ACM Digital Library |
|---|---|
| Author | Plastino, Alexandre Gonçalves, Eduardo C. Freitas, Alex A. |
| Abstract | Multi-label classification (MLC) is the task of assigning multiple class labels to an object based on the features that describe the object. One of the most effective MLC methods is known as Classifier Chains (CC). This approach consists in training q binary classifiers linked in a chain, y1 → y2 → . → yq, with each responsible for classifying a specific label in {l1, l2, ., lq}. The chaining mechanism allows each individual classifier to incorporate the predictions of the previous ones as additional information at classification time. Thus, possible correlations among labels can be automatically exploited. Nevertheless, CC suffers from two important drawbacks: (i) the label ordering is decided at random, although it usually has a strong effect on predictive accuracy; (ii) all labels are inserted into the chain, although some of them might carry irrelevant information to discriminate the others. In this paper we tackle both problems at once, by proposing a novel genetic algorithm capable of searching for a single optimized label ordering, while at the same time taking into consideration the utilization of partial chains. Experiments on benchmark datasets demonstrate that our approach is able to produce models that are both simpler and more accurate. |
| Starting Page | 559 |
| Ending Page | 566 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781450334723 |
| DOI | 10.1145/2739480.2754650 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2015-07-11 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Multi-label classification Classifier chains Genetic algorithms |
| Content Type | Text |
| Resource Type | Article |
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