X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=bibframe%2Ftriplestore.xml;h=eb5db31fa1996b37264f10e0a949d2e5f755d1c5;hb=0fc331d6e264de65af7b438316c2f1134a5fdf23;hp=b5d529fa1cbc42287786f2707f39f62467e8aa30;hpb=725ea123090eb9e699ea19098d7c854d249e149f;p=mp-sparql-moved-to-github.git

diff --git a/bibframe/triplestore.xml b/bibframe/triplestore.xml
index b5d529f..eb5db31 100644
--- a/bibframe/triplestore.xml
+++ b/bibframe/triplestore.xml
@@ -321,6 +321,31 @@
                 }
             </index>
 
+            <!-- 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(isLiteral(%v) &amp;&amp; contains(%v, %s))
+                } UNION {
+                    ?thing bf:isbn13  %v
+                        FILTER(isLiteral(%v) &amp;&amp; contains(%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-V">