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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xiaoguang Wang Xuan Liu Japkowicz, N. Matwin, S. |
| Copyright Year | 2013 |
| Description | Author affiliation: Sch. of Electr. Eng. & Comput. Sci., Univ. of Ottawa, Ottawa, ON, Canada (Xiaoguang Wang; Xuan Liu; Japkowicz, N.) || Fac. of Comput. Sci., Dalhousie Univ., Halifax, NS, Canada (Matwin, S.) |
| Abstract | Multi-instance learning uses a set of bags containing many instances, which makes it different from standard propositional classification. Our research shows that, similar to the single-instance imbalance problem, classification of multi-instance data with imbalanced class distributions significantly degrades performance when compared to most standard multi-instance algorithms in a balanced setting. Due to the inherent differences between multi-instance and single-instance learning, the existing solutions for single-instance class imbalance problems do not transfer directly to multi-instance datasets. This is a drawback, as imbalanced multi-instance problems often occur in data mining practice. In this paper, we propose two solution frameworks for multi-instance class imbalanced datasets. In the first we explore multi-instance data sampling methods, and in the second we present a novel generalized version of a multi-instance cost-sensitive boosting technique. Experimental results, on benchmark datasets and application datasets, show that the proposed frameworks are an effective solution for the multi-instance class imbalance problem. |
| Sponsorship | Toshiba |
| Starting Page | 808 |
| Ending Page | 816 |
| File Size | 651695 |
| Page Count | 9 |
| File Format | |
| e-ISBN | 9781479931422 |
| DOI | 10.1109/ICDMW.2013.85 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-12-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Training Class Imbalance Boosting Sampling methods Educational institutions Multi-instance learning Data mining Sonar detection |
| Content Type | Text |
| Resource Type | Article |
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