Learning with Hypergraphs: Clustering, Classification, and Embedding

We usually endow the investigated objects with pairwise relationships, which can be illustrated as graphs. In many real-world problems, however, relationships among the objects of our interest are more complex than pair- wise. Naively squeezing the complex relationships into pairwise ones will inevitably lead to loss of information which can be expected valuable for our learning tasks however. Therefore we consider using hypergraphs in- stead to completely represent complex relationships among the objects of our interest, and thus the problem of learning with hypergraphs arises. Our main contribution in this paper is to generalize the powerful methodology of spectral clustering which originally operates on undirected graphs to hy- pergraphs, and further develop algorithms for hypergraph embedding and transductive classification on the basis of the spectral hypergraph cluster- ing approach. Our experiments on a number of benchmarks showed the advantages of hypergraphs over usual graphs.

Authors

• Dengyong Zhou
• Jiayuan Huang UCL Hawkes Institute, University College London, UK Dept of Medical Physics & Biomedical Engineering, University College London, UK Visual Understanding Research Group, Dept of Informatics, King’s College London, UK
• Bernhard Schölkopf

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