updated sider scripts to use pubchem_compound namespace.

SIDER uses pubchem compound identifiers as determined from their
download website description.

Author: dklassen

toxkb/sider/lib/meddra_freq_parsed.rb

@@ -65,7 +65,7 @@ def process
           buf =""
 
           l = "<#{sider}label_#{Digest::MD5.hexdigest(row[2])}> "
-          drug  = "<#{host}/pubchem:#{row[1].to_i.abs.to_s}> "
+          drug  = "<#{host}/pubchem_compound:#{row[1].to_i.abs.to_s}> "
 
           buf << l+type+"<#{sider_v}Drug_Information_Label> " + record + eol
           buf << l+"<#{sider_v}involves_drug> " + drug + record + eol

toxkb/sider/lib/namespaces.rb

@@ -16,6 +16,7 @@ def load_namespaces
     @ctd_vocabulary  = RDF::Vocabulary.new("#{host}/ctd_vocabulary:")
     @pubmed          = RDF::Vocabulary.new("http://www.ncbi.nlm.nih.gov/pubmed/")
     @pubchem         = RDF::Vocabulary.new("#{host}/pubchem:")
+    @pubchem_compound  = RDF::Vocabulary.new("#{host}/pubchem_compound:")
     @geneid          = RDF::Vocabulary.new("#{host}/geneid:")
     @mesh            = RDF::Vocabulary.new("#{host}/mesh:")
     @taxon           = RDF::Vocabulary.new("#{host}/taxon:")