anchor.diff:  CiteSeer,http://citeseer.rkbexplorer.com/sparql/
   Chembl @Uppsala,http://rdf.farmbio.uu.se/chembl/sparql
   WikiPathways,http://sparql.wikipathways.org
  -Affymetrix (Bio2RDF),http://cu.affymetrix.bio2rdf.org/sparql
  -BioPortal (Bio2RDF),http://cu.bioportal.bio2rdf.org/sparql
  -ClinicalTrials (Bio2RDF),http://cu.clinicaltrials.bio2rdf.org/sparql
  -CTD (Bio2RDF),http://cu.ctd.bio2rdf.org/sparql
  -dbSNP (Bio2RDF),http://cu.dbsnp.bio2rdf.org/sparql
  -DrugBank (Bio2RDF),http://cu.drugbank.bio2rdf.org/sparql
  -GenAge (Bio2RDF),http://cu.genage.bio2rdf.org/sparql
  -GenDR (Bio2RDF),http://cu.gendr.bio2rdf.org/sparql
  -Gene Ontology Annotation (Bio2RDF),http://cu.goa.bio2rdf.org/sparql
  -HUGO Gene Nomenclature Committee (Bio2RDF),http://cu.hgnc.bio2rdf.org/sparql
  -NCBI HomoloGene (Bio2RDF),http://cu.homologene.bio2rdf.org/sparql
  -InterPro (Bio2RDF),http://cu.interpro.bio2rdf.org/sparql
  -iRefIndex (Bio2RDF),http://cu.irefindex.bio2rdf.org/sparql
  -KEGG (Bio2RDF),http://cu.kegg.bio2rdf.org/sparql
  -LinkedSPL (Bio2RDF),http://cu.linkedspl.bio2rdf.org/sparql
  -Life Science Resource Registry (Bio2RDF),http://cu.lsr.bio2rdf.org/sparql
  -MeSH (Bio2RDF),http://cu.mesh.bio2rdf.org/sparql
  -Mouse Genome Database (Bio2RDF),http://cu.mgi.bio2rdf.org/sparql
  -NCBI Gene (Bio2RDF),http://cu.ncbigene.bio2rdf.org/sparql
  -National Drug Code (Bio2RDF),http://cu.ndc.bio2rdf.org/sparql
  -OMIM (Bio2RDF),http://cu.omim.bio2rdf.org/sparql
  -Orphanet (Bio2RDF),http://cu.orphanet.bio2rdf.org/sparql
  -Pathway Commons (Bio2RDF),http://cu.pathwaycommons.bio2rdf.org/sparql
  -PharmGKB (Bio2RDF),http://cu.pharmgkb.bio2rdf.org/sparql
  -Reactome (Bio2RDF),http://cu.reactome.bio2rdf.org/sparql
  -SABIO-RK (Bio2RDF),http://cu.sabiork.bio2rdf.org/sparql
  -Saccharomyces Genome Database (Bio2RDF),http://cu.sgd.bio2rdf.org/sparql
  -SIDER (Bio2RDF),http://cu.sider.bio2rdf.org/sparql
  -NCBI taxonomy (Bio2RDF),http://cu.taxonomy.bio2rdf.org/sparql
  -WikiPathways (Bio2RDF),http://cu.wikipathways.bio2rdf.org/sparql
  -WormBase (Bio2RDF),http://cu.wormbase.bio2rdf.org/sparql
   Life Science Dictionary,http://lsd.dbcls.jp/sparql
   Expression Atlas,http://www.ebi.ac.uk/rdf/services/atlas/sparql
   BioModels,http://www.ebi.ac.uk/rdf/services/biomodels/sparql
   BioSamples,http://www.ebi.ac.uk/rdf/services/biosamples/sparql
  -chEMBL,http://www.ebi.ac.uk/rdf/services/chembl/sparql
  +ChEMBL,http://www.ebi.ac.uk/rdf/services/chembl/sparql
   Reactome,http://www.ebi.ac.uk/rdf/services/reactome/sparql
   UniProt,http://sparql.uniprot.org/sparql/
  -Bio2RDF,http://sparql.openlifedata.org/
  +OpenLifeData,http://sparql.openlifedata.org/
   NBDC RDF Portal,http://integbio.jp/rdf/sparql
   Centrally Curated Resources,https://global.eagle-i.net/sparqler/sparql
   Charles R. Drew University of Medicine and Science,https://cdrewu.eagle-i.net/sparqler/sparql
  
positive.code: Colil,http://colil.dbcls.jp/sparql
  FirstAuthor Navigation,http://navi.first.lifesciencedb.jp/fanavi/sparql
  DisGeNET,http://rdf.disgenet.org/sparql/
  Wikidata,https://query.wikidata.org/sparql
  
negative.code: Harvard University,https://harvard.eagle-i.net/sparqler/sparql
  Howard University,https://howard.eagle-i.net/sparqler/sparql
  "Hunter College, CUNY",https://hunter-cuny.eagle-i.net/sparqler/sparql
  ITHS Regional Directory,https://eagle-i.iths.org/sparqler/sparql
  Jackson State University,https://jsu.eagle-i.net/sparqler/sparql
  Meharry Medical College,https://meharry.eagle-i.net/sparqler/sparql
  Michigan State University,https://eagle-i.ctsi.msu.edu/sparqler/sparql
  