In this way, the topology service, based at least in part on {HEAD ~ connections} between {TAIL ~ nodes} in the entries of the closure table and based at least in part on the metadata regarding the topology, may answer queries in regard to the specified topology 
between
In this way , the topology service , based at least in part on { HEAD ~ connections } between { TAIL ~ nodes } in the entries of the closure table and based at least in part on the metadata regarding the topology , may answer queries in regard to the specified topology
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH