Ontop-materializer Version 1.18.1

-----------------

Branch	build status
master

Materialize triples from database using : Ontop-Quest API + OBDA file + Ontology .

Steps :

1 - mvn clean install assembly:single

2 - Args

-owl : owl path file. ( Required )

-odba : Mapping file. ( Required )

-out : output path file. ( Required )

-q : Sparql Query. ( Not Required ) Default "SELECT DISTINCT ?S ?P ?O { ?S ?P ?O . } "

-ttl : Activate output turtle format. ( Not Required ). Default : FALSE

Note: if -ttl is specified, Query must contain exactly 3 variables ( S, P, O ) .

3 - Exp

❯  java  -Xmx2048M -cp target/ontop-materializer-1.18.0-jar-with-dependencies.jar ontop.Main_1_18 \
   -owl  'src/main/resources/mapping/ontology.owl'                                                \
   -obda 'src/main/resources/mapping/ontology.obda'                                               \
   -out  './ontopMaterializedTriples.nt'                                                          \
   -q    " SELECT ?S ?P ?O { ?S ?P ?O } "                                                         \
   -ttl

SELECT ALL triples and output in turtle format :

 ❯  java  -Xmx2048M -cp target/ontop-materializer-1.18.0-jar-with-dependencies.jar ontop.Main_1_18 \
    -owl  'src/main/resources/mapping/ontology.owl'                                                \
    -obda 'src/main/resources/mapping/ontology.obda'                                               \
    -out  './ontopMaterializedTriples.nt'                                                          \

Custom Query :

 ❯  java  -Xmx2048M -cp target/ontop-materializer-1.18.0-jar-with-dependencies.jar ontop.Main_1_18 \
    -owl  'src/main/resources/mapping/ontology.owl'                                                \
    -obda 'src/main/resources/mapping/ontology.obda'                                               \
    -out  './ontopMaterializedTriples.nt'                                                          \
    -q    " SELECT ?uri ?name ?location ?aria WHERE { .... } " 

Error in the following exp ( because -ttl is specified and number of variables in Query != 3 )

❯  java  -Xmx2048M -cp target/ontop-materializer-1.18.0-jar-with-dependencies.jar ontop.Main_1_18 \
   -owl  'src/main/resources/mapping/ontology.owl'                                                \
   -obda 'src/main/resources/mapping/ontology.obda'                                               \
   -out  './ontopMaterializedTriples.nt'                                                          \
   -q    " SELECT ?uri ?name ?location ?aria WHERE { .... } "                                     \
   -ttl