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Table 2 Retrieving articles based on annotations

From: Biotea: RDFizing PubMed Central in support for the paper as an interface to the Web of Data

SPARQL query

 

Query expressed in natural language

Retrieving PubMed identifier for those articles that have been semantically annotated with the biological entity CHEBI:60004. The semantic annotation comes from the occurrence of the term “mixture” in any paragraph of the retrieved articles.

  1. As content has been semantically enriched, it is possible to retrieve articles based on either the annotated terms, e.g., “mixture,” or their corresponding biological entities, e.g., CHEBI:60004.