class ActiveFedora::InboundRelationConnection

may be 3-5x slower, and make a graph that takes longer to parse.
Use this connection judiciously, on fedora 4.3, these requests

def get(*args) 

def get(*args)
  result = __getobj__.get(*args) do |req|
    prefer_headers = Ldp::PreferHeaders.new(req.headers["Prefer"])
    prefer_headers.include = prefer_headers.include | include_uris
    req.headers["Prefer"] = prefer_headers.to_s
    yield req if block_given?
  end
  result
end

def include_uris 

def include_uris
  [
    ::RDF::Vocab::Fcrepo4.InboundReferences
  ]
end