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PubMed related articles: a probabilistic topic-based model for content similarity
BACKGROUND: We present a probabilistic topic-based model for content similarity called pmra that underlies the related article search feature in PubMed. Whether or not a document is about a particular topic is computed from term frequencies, modeled as Poisson distributions. Unlike previous probabil...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
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BioMed Central
2007
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2212667/ https://www.ncbi.nlm.nih.gov/pubmed/17971238 http://dx.doi.org/10.1186/1471-2105-8-423 |