Changes between Version 7 and Version 8 of DespoinaLog/2010/10/28


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Timestamp:
2010-10-28T14:21:41+02:00 (14 years ago)
Author:
antonak
Comment:

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  • DespoinaLog/2010/10/28

    v7 v8  
    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 : ===[[BR]]
     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
    9  * === For instance how to define mappings that explicitly say that a table column corresponds to an element of the FOAF ontology ? ===
    109
     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? ===
    65 
     64===  When there is a table column whose values map elements from the !DailyMed D2R database?  ===
    6665 * 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.
    6766