returns the fragment part of uri
returns the fragment part of uri
returns uri with frag as its fragment part, newly added or replaced
returns uri with frag as its fragment part, newly added or replaced
returns uri without its fragment part if it had one
returns uri without its fragment part if it had one
Implement Spark algorithm for determining whether left and right are isomorphic
Implement Spark algorithm for determining whether left and right are isomorphic
Spark based implementation of RDFGraphOps