Changes between Version 8 and Version 9 of DespoinaLog/2010/10/28


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Timestamp:
2010-10-28T14:27:38+02:00 (14 years ago)
Author:
antonak
Comment:

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  • DespoinaLog/2010/10/28

    v8 v9  
    55(see relative message including Pedro Lopes, '''Richard Cyganiak) '''
    66
    7 === How  to connect multiple semantic systems, some using [http://www4.wiwiss.fu-berlin.de/bizer/D2RQ/spec/#specification D2R] and some purely semantic :  ===
     7=== How  to connect multiple semantic systems, some using [http://www4.wiwiss.fu-berlin.de/bizer/D2RQ/spec/#specification D2R] and some purely semantic : ===
    88 * learn basics of D2RQ mapping language, modify the mapping file that you probably created using generate-[[BR]]mapping.  This is probably the file that lives in molgenis_distro (generated by d2rq) : WebContent/WEB-INF/molgenis-rdf-mapping.n3
    99
    10 === For instance how to define mappings that explicitly say that a table column corresponds to an element of the FOAF ontology ?  ===
     10=== For instance how to define mappings that explicitly say that a table column corresponds to an element of the FOAF ontology ? ===
    1111 * In the mapping file there is a class map corresponding to each table . Find the right class map . below the class map ,there is a property bridge for each column .
    1212
     
    6262 * '''You also have to make sure that the FOAF namespace is declared in the @prefix section at the very beginning of the file.'''
    6363
    64 ===  When there is a table column whose values map elements from the !DailyMed D2R database?  ===
     64=== When there is a table column whose values map elements from the !DailyMed D2R database? ===
    6565 * Instead of mapping the column to a literal with !d2rq:column, use a !d2rq:uriPattern that produces URIs that match the URIs in the other dataset.
    6666
    6767= next todos: =
    6868 * '''Change its !d2rq:property value to the FOAF term, e.g., !foaf:name.'''
    69  * '''You also have to make sure that the FOAF namespace is declared in the @prefix section at the very beginning of the file.''' *
     69 * '''You also have to make sure that the FOAF namespace is declared in the @prefix section at the very beginning of the file.'''