{HEAD ~ Seamless integration} with {TAIL ~ the federated query} is provided to operate on the federated folder transparently regardless of the locality of the user or the datastores the user is searching 
with
{ HEAD ~ Seamless integration } with { TAIL ~ the federated query } is provided to operate on the federated folder transparently regardless of the locality of the user or the datastores the user is searching
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL 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