= One RDF Graph =
<work1>          :has_title "Moby-Dick, or, the Whale" ;           :has_as_subject "Whaling Ships -- Fiction" .
<expression1>    :has_language "English" ;                         :has_extent "213711 words" ;                 :expression_of <work1> .
<manifestation1> :has_edition_issue "First Edition" ;              :has_pub_place "New York NY" ;               :manifestation_of <expression1> .
<item1>          :has_OAI_ID "http://hdl.handle.net/10150/16470" ; :has_condition "yellowing at page edges" ;   a <manifestation1> .

= Many Named Graphs =
{ <work1G> prov:source <...worldcat> . <expression1G> prov:source <...elsewhere> }
<work1G>          { <work1>          :has_title "Moby-Dick, or, the Whale" ; :has_as_subject "Whaling Ships -- Fiction" }
<expression1G>    { <expression1>    :has_language "English" ; :has_extent "213711 words" ; :expression_of <work1> }
<manifestation1G> { <manifestation1> :has_edition_issue "First Edition" ; :has_pub_place "New York NY" ; :manifestation_of <expression1> }
<item1G>          { <item1>          :has_OAI_ID "http://hdl.handle.net/10150/16470" ; :has_condition "yellowing at page edges" ; a <manifestation1> .
                    <work1>          :narrator_name "Ahab" .}

+ N3 to absorb all p o from more abstract descriptions by subject
{ ?expression :expression_of ?work ; ?work ?p ?o } => { ?expression ?p ?o }
{ ?manifestation :manifestation_of ?work ; ?work ?p ?o } => { ?manifestation ?p ?o }
{ ?item a ?work ; ?work ?p ?o } => { ?item ?p ?o }