<!-- bf.uri is a simple way to get to a thing -->
<index type="bf.uri">
- ?thing rdf:type ?any FILTER( ?thing = %u ) </index>
+ ?thing rdf:type ?any FILTER( ?thing = %u )
+ </index>
+ <!-- bf.type is a simple way to search for types -->
+ <!-- for example, a bf.Work can also be bf:Text or bf:Audio -->
+ <index type="bf.type">
+ ?thing a %t
+ </index>
<!-- The BF-L present format is the same for everything -->
- <!-- Each db is supposed to provide a dedicated BF-F present format -->
+ <!-- Each db is supposed to provide a dedicated BF-V present format -->
<present type="BF-L">
CONSTRUCT {
- ?thing ?rel ?subj
+ %u ?rel ?subj
}
WHERE {
- ?thing ?rel ?subj .
- ?thing ?rel ?subj FILTER( str(?thing) = %s )
+ %u ?rel ?subj .
}
</present>
<!-- Combined title index. There are so many ways titles can be expresses
in Bibframe, this seems to cover most of what we have seen -->
- <!-- TODO - See the anytitle in instance for a more flexible way -->
<index type="bf.anytitle">
{
- ?thing bf:workTitle ?wt .
- { ?wt bf:titleValue %v FILTER(contains(%v, %s)) } UNION
- { ?wt bf:subtitle %v FILTER(contains(%v, %s)) } UNION
- { ?wt bf:partTitle %v FILTER(contains(%v, %s)) }
- } UNION {
- ?thing ?titlerel ?ti . <!-- any kind of link -->
+ ?thing bf:title %v FILTER(contains(%v, %s))
+ } UNION { <!-- any kind of link -->
+ ?thing ?titlerel ?ti . <!-- mostly workTitle, but others too -->
?ti a bf:Title <!-- to something that is a title -->
{
?ti bf:titleValue %v FILTER(contains(%v, %s))
?inst bf:instanceTitle ?it .
?it bf:titleValue %v FILTER(contains(%v, %s))
} UNION {
- ?thing bf:title %v FILTER(contains(%v, %s))
}
</index>
?subject bf:label %v FILTER(contains(%v, %s))
</index>
+ <!-- contentCategory can be searched with complete URIs like -->
+ <!-- http://id.loc.gov/vocabulary/contentTypes/txt -->
+ <index type="bf.contentcategory">
+ ?thing bf:contentCategory %u
+ </index>
<!-- Present formats -->
<!-- BF-L comes from the "thing" template -->
- <!-- BF-F expands all links, even to instances but not other works -->
- <present type="BF-F">
+ <!-- BF-V expands all links, even to instances but not other works -->
+ <present type="BF-V">
CONSTRUCT {
- %u ?rel ?wobj1 .
- ?wobj1 ?wrel1 ?wobj2 .
- ?wobj2 ?wrel2 ?wobj3 .
+ %u ?wrel1 ?wobj1 .
+ ?wobj1 ?wrel2 ?wobj2 .
+ ?wobj2 ?wrel3 ?wobj3 .
?inst ?irel1 ?iobj1 .
?iobj1 ?irel2 ?iobj2 .
?iobj2 ?irel3 ?iobj3
}
WHERE {
%u a bf:Work .
- %u ?rel ?wobj1 .
+ %u ?wrel1 ?wobj1 .
OPTIONAL {
- ?wobj ?wrel1 ?wobj1
- MINUS { ?wobj a bf:Work }
- MINUS { ?wobj a bf:Instance }
- OPTIONAL {
- ?wobj1 ?wrel2 ?wobj2
+ ?wobj1 ?wrel2 ?wobj2
MINUS { ?wobj1 a bf:Work }
MINUS { ?wobj1 a bf:Instance }
- OPTIONAL {
- ?wobj2 ?wrel3 ?wobj3
+ OPTIONAL {
+ ?wobj2 ?wrel3 ?wobj3
MINUS { ?wobj2 a bf:Work }
MINUS { ?wobj2 a bf:Instance }
- }
}
}
<!-- Link to the instance(s) -->
OPTIONAL {
- ?inst bf:instanceOf %u
- OPTIONAL { <!-- and expand the instance -->
- ?inst ?irel1 ?iobj1
+ ?inst bf:instanceOf %u .
+ ?inst ?irel1 ?iobj1
+ OPTIONAL {
+ ?iobj1 ?irel2 ?iobj2
+ MINUS { ?iobj1 a bf:Work }
+ MINUS { ?iobj1 a bf:Instance }
OPTIONAL {
- ?iobj1 ?irel2 ?iobj2
- OPTIONAL {
- ?iobj2 ?irel3 ?iobj3
- }
+ ?iobj2 ?irel3 ?iobj3
+ MINUS { ?iobj2 a bf:Work }
+ MINUS { ?iobj2 a bf:Instance }
}
}
}
}
</index>
- <!-- Presetn formats. BF-L comes from "thing" -->
+ <!-- isbn index. The Instance may contain a isbn10 or isbn13. -->
+ <!-- These can be literal values like -->
+ <!-- http://isbn.example.org/1906833214 which we need to search -->
+ <!-- by our usual substring match. Or they can be links to Identivfiers -->
+ <!-- which will have a proper identifierValue on which we can do -->
+ <!-- an exact match. -->
+ <index type="bf.isbn">
+ {
+ ?thing bf:isbn10 %v
+ FILTER(isUri(%v) && contains(str(%v), %s))
+ } UNION {
+ ?thing bf:isbn13 %v
+ FILTER(isUri(%v) && contains(str(%v), %s))
+ } UNION {
+ {
+ ?thing bf:isbn10 ?isbn
+ } UNION {
+ ?thing bf:isbn13 ?isbn
+ }
+ ?isbn a bf:Identifier .
+ ?isbn bf:identifierValue %v FILTER( %v = %s )
+ }
+ </index>
+
+
+ <!-- Present formats. BF-L comes from "thing" -->
<!-- Full instance, with the related work too -->
- <present type="BF-F">
+ <present type="BF-V">
CONSTRUCT {
%u ?irel1 ?iobj1 .
?iobj1 ?irel2 ?iobj2 .
}
WHERE {
%u a bf:Instance .
- %u ?irel1 ?iobj1
+ %u ?irel1 ?iobj1 .
OPTIONAL {
?iobj1 ?irel2 ?iobj2
- MINUS { ?iobj1 a bf:Work }
- MINUS { ?iobj1 a bf:Instance }
+ MINUS { ?iobj2 a bf:Work }
+ MINUS { ?iobj2 a bf:Instance } .
OPTIONAL {
?iobj2 ?irel3 ?iobj3
- MINUS { ?iobj2 a bf:Work }
- MINUS { ?iobj2 a bf:Instance }
+ MINUS { ?iobj3 a bf:Work }
+ MINUS { ?iobj3 a bf:Instance }
}
}
-
- OPTIONAL {
- %u bf:instanceOf ?work
+ OPTIONAL { <!-- Work -->
+ %u bf:instanceOf ?work .
+ ?work ?wrel1 ?wobj1 .
OPTIONAL {
- ?work ?wrel1 ?wobj1
- MINUS { ?wobj1 a bf:Work }
- MINUS { ?wobj1 a bf:Instance }
+ ?wobj1 ?wrel2 ?wobj2
+ MINUS { ?wobj1 a bf:Work }
+ MINUS { ?wobj1 a bf:Instance } .
OPTIONAL {
- ?wobj1 ?wrel2 ?wobj2
- MINUS { ?wobj2 a bf:Work }
- MINUS { ?wobj2 a bf:Instance }
- OPTIONAL {
- ?wobj2 ?wrel3 ?wobj3
- MINUS { ?wobj3 a bf:Work }
- MINUS { ?wobj3 a bf:Instance }
- }
+ ?wobj2 ?wrel3 ?wobj3
+ MINUS { ?wobj2 a bf:Work }
+ MINUS { ?wobj2 a bf:Instance }
}
}
}
<!-- but have different "any" indexes -->
<db path="smallbody" include="thing">
- <present type="BF-F">
+ <present type="BF-V">
<!-- I don't think we need more than one level -->
<!--for these simple databases -->
CONSTRUCT {