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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Lin Zhu Suping Deng De-Shuang Huang |
| Copyright Year | 2014 |
| Description | Author affiliation: Coll. of Electron. & Inf. Eng., Tongji Univ., Shanghai, China (Lin Zhu; Suping Deng; De-Shuang Huang) |
| Abstract | Protein-protein interactions (PPIs) play crucial roles in the execution of various cellular processes and form the basis of biological mechanisms. Although large amount of PPIs data for different species has been generated by high-throughput experimental techniques, the data produced by these techniques have high levels of spurious interactions. Hence, it is of great practical significance to develop reliable computational methods to facilitate the identification of PPIs. In this paper, we propose a new geometric approach called Leave-One-Out Logistic Metric Embedding (LOO-LME) for assessing the reliability of interactions. Unlike previous approaches which mainly seek to preserve the noisy topological information of the PPI networks in the embedding space, LOO-LME first transforms the learning task into an equivalent discriminant form, then directly deals with the uncertainty in PPI networks using a leave-one-out-style approach. The experimental results show that LOO-LME substantially outperforms previous methods on PPI assessment problems. LOO-LME could thus facilitate further graph-based studies of PPIs and may help infer their hidden underlying biological knowledge. |
| Starting Page | 31 |
| Ending Page | 36 |
| File Size | 312077 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479956692 |
| DOI | 10.1109/BIBM.2014.6999123 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-11-02 |
| Publisher Place | UK |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Proteins denoising Optimized production technology Coherence bioinformatics protein-protein interaction (PPI) Extraterrestrial measurements Reliability Logistics |
| Content Type | Text |
| Resource Type | Article |
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