<index type="bf.creator">?work bf:creator ?c .
?c bf:label %v FILTER(contains(%v, %s))</index>
<index type="bf.subject">?work bf:subject ?subject .
- ?subject bf:label %v FILTER(contains(%v, %s))</index>
+ ?subject bf:label %v FILTER(contains(%v, %s))
+ </index>
+ <uri type="BF-L">
+ CONSTRUCT { ?work ?rel ?subj }
+ WHERE {
+ ?work a bf:Work .
+ ?work ?rel ?subj .
+ ?work ?rel ?obj FILTER( str(?work) = %s )
+ }
+ </uri>
<!-- TODO: Define a query to return detailed information for each
schema. For example
<present shema="BF-L" results="sparql-results" >
<criteria>?work ?rel ?obj</criteria>
<index type="any">?work ?rel ?obj FILTER( str(?work) = %s )</index>
</db>
+ <!-- Returns a decent-looking rdf (except that mp says 0 hits)
+ with no links expanded -->
<db path="onework-l-rdf" schema="rdf">
<prefix>rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns</prefix>
<prefix>bf: http://bibframe.org/vocab/</prefix>
- <form>CONSTRUCT { ?work ?rel ?subj }
+ <form>CONSTRUCT { ?work ?rel ?obj }
</form>
<criteria>?work a bf:Work</criteria>
- <criteria>?work ?rel ?subj</criteria>
+ <criteria>?work ?rel ?obj</criteria>
+ <index type="any">?work ?rel ?obj FILTER( str(?work) = %s )</index>
+ </db>
+ <!-- Expand some links -->
+ <db path="onework-e-rdf" schema="rdf">
+ <prefix>rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns</prefix>
+ <prefix>bf: http://bibframe.org/vocab/</prefix>
+ <form>CONSTRUCT { ?work ?rel ?obj.
+ ?creator ?crRel ?crObj .
+ ?subj ?subRel ?subObj }
+ </form>
+ <criteria>?work a bf:Work</criteria>
+ <criteria>?work ?rel ?obj</criteria>
+ <criteria>OPTIONAL { ?work bf:creator ?creator .
+ ?creator ?crRel ?crObj }
+ </criteria>
+ <criteria>OPTIONAL { ?work bf:subject ?subj .
+ ?subj ?subRel ?subObj }
+ </criteria>
+ <index type="any">?work ?rel ?obj FILTER( str(?work) = %s )</index>
+ </db>
+ <!-- Expand all things a couple of levels.
+ In all the data I have seen, two levels is enough. So we do three
+ Lnks to Works and Instances are explicitly excluded from this expansion,
+ and need to be handled separately. This is to avoid looping.
+ -->
+
+ <db path="onework-f-rdf" schema="rdf">
+ <prefix>rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns</prefix>
+ <prefix>bf: http://bibframe.org/vocab/</prefix>
+ <form>CONSTRUCT { ?work ?rel ?obj .
+ ?obj ?rel1 ?obj1 .
+ ?obj1 ?rel2 ?obj2 .
+ ?obj2 ?rel3 ?obj3
+ }
+ </form>
+ <criteria>?work a bf:Work</criteria>
+
+ <criteria>?work ?rel ?obj </criteria>
+ <criteria>OPTIONAL {
+ ?obj ?rel1 ?obj1
+ MINUS { ?obj a bf:Work }
+ } </criteria>
+ <criteria>OPTIONAL {
+ ?obj1 ?rel2 ?obj2
+ MINUS { ?obj1 a bf:Work }
+ } </criteria>
+ <criteria>OPTIONAL {
+ ?obj2 ?rel3 ?obj3
+ MINUS { ?obj2 a bf:Work }
+ } </criteria>
+ <index type="any">?work ?rel ?obj FILTER( str(?work) = %s )</index>
+ </db>
+ <!-- Describe a work. Results may vary between back ends -->
+ <!-- On virtuoso, seems to return the same as onework-l-rdf above -->
+ <db path="onework-d-rdf" schema="rdf">
+ <prefix>rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns</prefix>
+ <prefix>bf: http://bibframe.org/vocab/</prefix>
+ <form>DESCRIBE ?work
+ </form>
+ <criteria>?work a bf:Work</criteria>
+ <criteria>?work ?rel ?obj</criteria>
+ <criteria>OPTIONAL { ?work bf:creator ?creator .
+ ?creator ?crRel ?crObj }
+ </criteria>
+ <criteria>OPTIONAL { ?work bf:subject ?subj .
+ ?subj ?subRel ?subObj }
+ </criteria>
<index type="any">?work ?rel ?obj FILTER( str(?work) = %s )</index>
</db>