A new multitask learning method for multiorganism gene network estimation
A new method for multitask learning in a Bayesian network context is presented for multiorganism gene network estimation. When the input datasets are sparse, as is the case in microarray gene expression data, it becomes difficult to separate random correlations from actual edges in the true underlyi...
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| creator | Nassar, M. Abdallah, R. Zeineddine, H.A. Yaacoub, E. Dawy, Z. |
| description | A new method for multitask learning in a Bayesian network context is presented for multiorganism gene network estimation. When the input datasets are sparse, as is the case in microarray gene expression data, it becomes difficult to separate random correlations from actual edges in the true underlying Bayesian network. Multitask learning takes advantage of the similarity between related tasks, in order to construct a more accurate model of the underlying relationships represented by the Bayesian networks. The proposed method is tested on synthetic data to illustrate its validity. Then it is iteratively applied on real gene expression data to learn the genetic regulatory networks of two organisms with homologous genes (human and yeast). |
| doi_str_mv | 10.1109/ISIT.2008.4595398 |
| format | Conference Proceeding |
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| ispartof | 2008 IEEE International Symposium on Information Theory, 2008, p.2287-2291 |
| issn | 2157-8095 2157-8117 |
| language | eng |
| recordid | cdi_ieee_primary_4595398 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Bayesian methods Bayesian networks Bioinformatics Biology evolutionary information Gene expression genetic regulatory networks Genomics multitask learning Organisms Periodic structures |
| title | A new multitask learning method for multiorganism gene network estimation |
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