Multi-Instance Learning by Treating Instances As Non-I.I.D. Samples

Details Multi-Instance Learning by Treating Instances As Non-I.I.D. Samples Multi-Instance Learning by Treating Instances As Non-I.I.D. Samples

2008-07-12

arxiv.org/abs/0807.1997v4

Computer Science

Learning

ICML, 2009

Scientific paper

Multi-instance learning attempts to learn from a training set consisting of labeled bags each containing many unlabeled instances. Previous studies typically treat the instances in the bags as independently and identically distributed. However, the instances in a bag are rarely independent, and therefore a better performance can be expected if the instances are treated in an non-i.i.d. way that exploits the relations among instances. In this paper, we propose a simple yet effective multi-instance learning method, which regards each bag as a graph and uses a specific kernel to distinguish the graphs by considering the features of the nodes as well as the features of the edges that convey some relations among instances. The effectiveness of the proposed method is validated by experiments.

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