Method for establishing high-efficient semantic indexing for large-amount RDF (resource description framework) data
A construction method and large-scale technology, applied in the field of RDF database, to achieve the effect of ensuring query efficiency and enriching offline reasoning
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[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0026] Step 1. Configure Bigdata, an open source distributed RDF database, as a persistent database for storing RDF data;
[0027] Step 2, distinguishing TBox data and ABox data in the RDF database, so as to facilitate encoding to create semantic indexes;
[0028] Step 3. According to the ORDPath encoding rule, encode the child-parent relationship of the Class in the TBox data, reflecting the child-parent semantic relationship between classes;
[0029] Step 4. According to the ORDPath encoding rule, the child-parent relationship of the Property in the TBox data is encoded to reflect the child-parent semantic relationship between attributes;
[0030] Step 5. According to the ORDPath encoding rule, encode the domain of each Property; since in the RDF data, the domain of a Property is all Class, so the encoding for the domain is directly used for the encoding f...
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