Table 22 FCA-based ontology merging and matching systems

FCA-Merge, FFCA-Merge (merging)

Textual document

Class from two ontologies

Name of class occurs in document

[22,25,26] (matching)

Ontology class

Thesaurus term

Term occurs in class

FCA-OntMerge (merging)

Class from two ontologies

Attribute from two ontologies

Class has attribute

FCA-Map (matching)

Step 1: lexical matching

Name, label, or synonym of classes from two ontologies

Token

String contains token

Step 2: structural validation

Class from two ontologies

Lexical anchor prefixed with a relation

Class has relation with anchor

Step 3: structural matching

Class from two ontologies

Validated anchor prefixed with a relation

Class has relation with validated anchor

Step 4: property matching

Property from two ontologies

A pair of anchors

Property links the individuals of two anchors

Step 5: extended structural matching

Class from one ontology

Class from another ontology

Two classes across ontologies occur in the anonymous ancestors of the same anchor with the same property