Semantic Similarity in Biomedical Ontologies |
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Authors: | Catia Pesquita, Daniel Faria, Andr O. Falc o, Phillip Lord, Francisco M. Couto |
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Affiliation: | Catia Pesquita, Daniel Faria, André O. Falcão, Phillip Lord, and Francisco M. Couto |
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Abstract: | In recent years, ontologies have become a mainstream topic in biomedical research. When biological entities are described using a common schema, such as an ontology, they can be compared by means of their annotations. This type of comparison is called semantic similarity, since it assesses the degree of relatedness between two entities by the similarity in meaning of their annotations. The application of semantic similarity to biomedical ontologies is recent; nevertheless, several studies have been published in the last few years describing and evaluating diverse approaches. Semantic similarity has become a valuable tool for validating the results drawn from biomedical studies such as gene clustering, gene expression data analysis, prediction and validation of molecular interactions, and disease gene prioritization. |
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