... InterpretationClass Path Patterns $C {c | c is a schema class} $C{ X} { [c, x] | c a schema class, x in the interpretationof class c} $C{ X;$D} { [c, x, d] | c, d are schema classes, d is a subclassof c, ... base according tothe bindings introduced in the from-clause. Given the query pattern used in the from-clause, C5 and C6 are populated with resources that are direct in- stances of C5 and C6 or ... heuristic come s in acc ordance to best effort query processing strategiesfor P2P systems introduced in [43]. Moreover, promoting intra-peer processing exploits the benefits of query shipping as discussed...