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dc.contributor.author | Chagoyen, Mónica | - |
dc.contributor.author | Carmona-Sáez, Pedro | - |
dc.contributor.author | Shatkay, Hagit | - |
dc.contributor.author | Carazo, José M. | - |
dc.contributor.author | Pascual-Montano, Alberto | - |
dc.date.accessioned | 2008-04-07T12:27:09Z | - |
dc.date.available | 2008-04-07T12:27:09Z | - |
dc.date.issued | 2006-01-26 | - |
dc.identifier.citation | BMC Bioinformatics 2006, 7:41 | en_US |
dc.identifier.issn | 1471-2105 | - |
dc.identifier.uri | http://hdl.handle.net/10261/3458 | - |
dc.description | This article is available from: http://www.biomedcentral.com/1471-2105/7/41 | en_US |
dc.description.abstract | [Background] Experimental techniques such as DNA microarray, serial analysis of gene expression (SAGE) and mass spectrometry proteomics, among others, are generating large amounts of data related to genes and proteins at different levels. As in any other experimental approach, it is necessary to analyze these data in the context of previously known information about the biological entities under study. The literature is a particularly valuable source of information for experiment validation and interpretation. Therefore, the development of automated text mining tools to assist in such interpretation is one of the main challenges in current bioinformatics research. | en_US |
dc.description.abstract | [Results] We present a method to create literature profiles for large sets of genes or proteins based on common semantic features extracted from a corpus of relevant documents. These profiles can be used to establish pair-wise similarities among genes, utilized in gene/protein classification or can be even combined with experimental measurements. Semantic features can be used by researchers to facilitate the understanding of the commonalities indicated by experimental results. Our approach is based on non-negative matrix factorization (NMF), a machine-learning algorithm for data analysis, capable of identifying local patterns that characterize a subset of the data. The literature is thus used to establish putative relationships among subsets of genes or proteins and to provide coherent justification for this clustering into subsets. We demonstrate the utility of the method by applying it to two independent and vastly different sets of genes. | en_US |
dc.description.abstract | [Conclusion] The presented method can create literature profiles from documents relevant to sets of genes. The representation of genes as additive linear combinations of semantic features allows for the exploration of functional associations as well as for clustering, suggesting a valuable methodology for the validation and interpretation of high-throughput experimental data. | en_US |
dc.description.sponsorship | This work has been partially funded by Santander-UCM (grant PR27/05- 13964), Comunidad Autonoma de Madrid (grant CAM GR/SAL/0653/ 2004), Comision Interministerial de Ciencia y Tecnologia (grants CICYT BFU2004-00217/BMC and GEN2003-20235-c05-05) and a collaborative grant between the Spanish Research Council and the National Research Council of Canada (CSIC-050402040003). PCS is recipient of a grant from Comunidad Autonoma de Madrid. APM acknowledges the support of the Spanish Ramón y Cajal program. HS is supported by the Canadian NSERC Discovery Grant 298292-04. | en_US |
dc.format.extent | 1355397 bytes | - |
dc.format.extent | 590431 bytes | - |
dc.format.extent | 1105408 bytes | - |
dc.format.extent | 31862 bytes | - |
dc.format.extent | 24067 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/vnd.ms-excel | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | BioMed Central | en_US |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | en_US |
dc.title | Discovering semantic features in the literature: a foundation for building functional associations | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1186/1471-2105-7-41 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.identifier.pmid | 16438716 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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