An empirical meta-analysis of the life sciences linked open data on the web

摘要

Diagrammatic representation to depict annotated RDF graphs: The KEGG RDF graph whose vocabulary is annotated using RDFS constructs and classes from the Gene Ontology. (a) The T-Box consists of the terminological component of the KEGG RDF Graph (i.e., the vocabulary). The pink nodes represent the different classes from KEGG and other RDF graph vocabularies (e.g., drugbank:Drug) annotated with rdfs:Class construct. The blue nodes represent the different properties annotated with rdf:Property (with associated domain and range classes). (b) The A-Box consists of the assertional component of the KEGG RDF graphs, with different individuals (e.g., kegg:D01441) explicitly typed with corresponding classes from T-Box. (c) The R-Box (relational component) consists of the property hierarchy. (d) The KEGG individual (pathway Ca2+ Signaling Pathway)) may be cross-linked to the corresponding Gene Ontology class, causing a semantic mismatch (i.e., a class is considered equivalent to an individual).