Supervised reconstruction of biological networks with local models

By Kevin Bleakley, Gérard Biau, Jean-Philippe Vert. ISMB/ECCB, 2007

575 citations recorded by the source corpus.

MOTIVATION Inference and reconstruction of biological networks from heterogeneous data is currently an active research subject with several important applications in systems biology. The problem has been attacked from many different points of view with varying degrees of success. In particular, predicting new edges with a reasonable false discovery rate is highly demanded for practical applications, but remains extremely challenging due to the sparsity of the networks of interest. RESULTS While most previous approaches based on the partial knowledge of the network to be inferred build global models to predict new edges over the network, we introduce here a novel method which predicts whether there is an edge from a newly added vertex to each of the vertices of a known network using local models. This involves learning individually a certain subnetwork associated with each vertex of the known network, then using the discovered classification rule associated with only that vertex to predict the edge to the new vertex. Excellent experimental results are shown in the case of metabolic and protein-protein interaction network reconstruction from a variety of genomic data. AVAILABILITY An implementation of the proposed algorithm is available upon request from the authors.

Subfields: Artificial Intelligence, Molecular Biology

View Paper: https://www.semanticscholar.org/paper/ce09e12e6c05fd7f63d23af63ef581577e01d803

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In Artificial Intelligence

  1. Marius Kloft
  2. Masashi Sugiyama
  3. Yanjun Qi
  4. Jason Aaron Edward Weston
  5. Jaime G. Carbonell
  6. Yoshua Bengio
  7. Mohit Bansal
  8. Jianfeng Gao

In Molecular Biology

  1. Hiroshi Mamitsuka
  2. Shanfeng Zhu
  3. Hao Ding
  4. Jaime G. Carbonell
  5. Marius Kloft
  6. Judith Klein-Seetharaman
  7. Ichigaku Takigawa
  8. Yoshihiro Yamanishi

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