********The followings are not conclusions,just for recording the procedures.********* (1)CumulusRDF: configuration: CumulusRDF does currently not work with Cassandra 2.x CumulusRDF has been tested with Cassandra 1.2.x and 1.1.x. The recommended version is: Cassandra 1.2.x. We use apache-cassandra-1.2.16. replace snappy-java-1.0.5.jar with snappy-java-1.1.0.1.jar. load: java -cp cumulusrdf-1.0.1.jar edu.kit.aifb.cumulus.cli.Main Load -i /path/data -s triple query: java -cp cumulusrdf-1.0.1.jar edu.kit.aifb.cumulus.cli.Main Query -q "select * where {?a ?b ?c.} limit 1000" Onde node: (2)StarDog(not yet support cluster): start a server: stardog-admin server start create a database:(stardog-admin help db create) stardog-admin db create -n dbname [togordf@ts02 bin]$ ./stardog data add -g graphname dbname /path/data