prov/commit

Merge branch 'master' of github.com:ClioPatria/prov

diff --cc lib/prov_schema.pl
index c5692d5,6c4d111..7f731f1
--- a/lib/prov_schema.pl
+++ b/lib/prov_schema.pl
@@@ -206,18 -228,10 +228,16 @@@ log_entity_create(File, Options) :
      option(prov(ProvBundle), Options),
      option(graph(Graph), Options, none),
      (   uri_is_global(File)
 -    ->  Entity = File
 -    ;   uri_file_name(Entity, File)
 +    ->  Entity = File,
 +        xsd_now(TimeStamp)
 +    ;   uri_file_name(Entity, File),
 +        (   access_file(File, read),
 +            time_file(File, Time)
 +        ->  xsd_timestamp(Time, TimeStamp)
 +	;   xsd_now(TimeStamp)
 +        )
      ),
-     xsd_now(TimeStamp),
-     rdf_assert(Entity, rdf:type, prov:'Entity', ProvBundle),
-     rdf_assert(Entity, prov:generatedAtTime, TimeStamp^^xsd:dateTime,  ProvBundle),
+     size_time_stamp(File, Entity, Options),
      rdf_assert(Entity, prov:wasGeneratedBy, Activity, ProvBundle),
      log_derivation(Entity, Options),
      log_entity_graph_properties(Entity, Graph, ProvBundle).