Clustering of PubMed abstracts using nearer terms of the domain.

Bioinformation
Mary Rajathei David, Selvaraj Samuel

Abstract

Literature search is a process in which external developers provide alternative representations for efficient data mining of biomedical literature such as ranking search results, displaying summarized knowledge of semantics and clustering results into topics. In clustering search results, prominent vocabularies, such as GO (Gene Ontology), MeSH(Medical Subject Headings) and frequent terms extracted from retrieved PubMed abstracts have been used as topics for grouping. In this study, we have proposed FNeTD (Frequent Nearer Terms of the Domain) method for PubMed abstracts clustering. This is achieved through a two-step process viz; i) identifying frequent words or phrases in the abstracts through the frequent multi-word extraction algorithm and ii) identifying nearer terms of the domain from the extracted frequent phrases using the nearest neighbors search. The efficiency of the clustering of PubMed abstracts using nearer terms of the domain was measured using F-score. The present study suggests that nearer terms of the domain can be used for clustering the search results.

Citations

May 6, 2017·Chemical Reviews·Martin KrallingerAlfonso Valencia

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Software Mentioned

Textpresso
GoPubMed
FNetD
XplorMed
LINGO
novo
STC
PubMed
Active server page ( ASP )
seek

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