lab4.md

@@ -34,7 +34,7 @@ rm -rf $HOME/.lrs_kdb/stores/
 The following service call will insert two objects in the graph named **salientpoints**, one human (with identifier 1) at coordinates `(8,10)` and one table (with identifier 2) at coordinates `(10,12)`:
 
 ```bash
-ros2 service call /kdb_server/insert_triples  ros2_kdb_msgs/srv/InsertTriples "
+ros2 service call /kdb_server/insert_triples  ros2_kdb_interfaces/srv/InsertTriples "
 graphname: 'salientpoints'
 format: 'ttl'
 content: '@prefix gis: <http://www.ida.liu.se/~TDDE05/gis>
@@ -52,7 +52,7 @@ This will insert two objects, the first has uuid `id1`, coordinate `(8,10)` and
 The following query can be used to retrieve all the elements in the database:
 
 ```bash
-ros2 service call /kdb_server/sparql_query ros2_kdb_msgs/srv/QueryDatabase "graphname: 'salientpoints'
+ros2 service call /kdb_server/sparql_query ros2_kdb_interfaces/srv/QueryDatabase "graphname: 'salientpoints'
 format: 'json'
 query: 'SELECT ?subject ?predicate ?object WHERE { ?subject ?predicate ?object }'"
 ```
@@ -63,7 +63,7 @@ query: 'SELECT ?subject ?predicate ?object WHERE { ?subject ?predicate ?object }
 The following query can be used to retrieve all the object with their class that are near the point of coordinate `(10, 12)`:
 
 ```bash
-ros2 service call /kdb_server/sparql_query ros2_kdb_msgs/srv/QueryDatabase "graphname: 'salientpoints'
+ros2 service call /kdb_server/sparql_query ros2_kdb_interfaces/srv/QueryDatabase "graphname: 'salientpoints'
 format: 'json'
 query: '
 PREFIX gis: <http://www.ida.liu.se/~TDDE05/gis>