anchor.diff:  RecordDatePublished,? - not in any schema,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,
   RelatedLink,y,relatedLink,-,hasProjectWebSite,related_identifiers,homepage,links,-,codeRepository,-,relation,-,-,-,homepage,resources,homepage,-,DESCRIPTION/Url,homepage,"1-9, 11-12","1, 3",-,
   RelatedPublications,y,relatedPublications,-,hasSimilarSoftware,related_identifiers,-,-,-,-,Associated publications,-,-,-,-,-,-,-,-,-,-,3,"3, 4, 6",3,used_in
  -Relationship,?,relationship,"RelatedIdentifier(relationType=isPartOf), RelatedIdentifier(relationType=isVariantFormOf), RelatedIdentifier(relationType=isPreviousVersionOf), RelatedIdentifier(relationType=isNextVersionOf)",hasRelevantDataSources,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,"7,8",
  +Relationship,y,relationship,"RelatedIdentifier(relationType=isPartOf), RelatedIdentifier(relationType=isVariantFormOf), RelatedIdentifier(relationType=isPreviousVersionOf), RelatedIdentifier(relationType=isNextVersionOf)",hasRelevantDataSources,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,"7,8",
   Role,y,role,,,,,,,,,,,,,,,,,,,,,,
  -SoftwareAuthor,n - replaced by agent / role,author,Creator,hasCreator,creators (creators.givennames creators.familyname),owner,Authors(s),software developer organization,author,Author names and affiliations,creator,Authors@R,Maintainer,author,Maintainers,author,author,developers,"DESCRIPTION/Author, DESCRIPTION/Maintainer",author/authors,"3, 4, 5","3, 4, 5, 8,","3,4,5,6",credit
  +SoftwareAuthor,n - replaced by agent / role,-,Creator,hasCreator,creators (creators.givennames creators.familyname),owner,Authors(s),software developer organization,author,Author names and affiliations,creator,Authors@R,Maintainer,author,Maintainers,author,author,developers,"DESCRIPTION/Author, DESCRIPTION/Maintainer",author/authors,"3, 4, 5","3, 4, 5, 8,","3,4,5,6",credit
   SoftwareCitation,y,softwareCitation,-,hasPreferredCitation,notes ?,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,"3, 4, 5, 6","3, 4, 5, 6","3,4,12",citation_method
  -SoftwareContributor,n - replaced by agent / role,contributor,Contributor,hasMajorContributor,contributors,contributors_url,-,contributor,contributor,-,-,Authors@R,-,-,-,-,contributors,contributors,-,-,"3, 4, 5","3, 4, 5, 8,","3,4,5,6",
  +SoftwareContributor,n - replaced by agent / role,-,Contributor,hasMajorContributor,contributors,contributors_url,-,contributor,contributor,-,-,Authors@R,-,-,-,-,contributors,contributors,-,-,"3, 4, 5","3, 4, 5, 8,","3,4,5,6",
   SoftwareIdentifier,y,identifier,Identifier,hasUniqueId,id,id,?,-,identifier,Persistent identifier,identifier,Package,Package,-,-,-,name,groupId,-,-,1-12,"2, 3, 4, 5, 6, 8, 9,","3,5,6,12",ascl_id 
   SoftwarePaperCitation,y,softwarePaperCitation,-,-,notes ?,-,-,Citation,-,-,-,-,-,-,-,-,-,-,-,-,"3, 4, 5, 6","3, 4, 5, 6","3,4,12",described_in
   SoftwareTitle,y,title,Title,hasName,title,full_name,Title,software,title,Software title,title,Title,-,name,Title,name,name,name,DESCRIPTION/Name,name,"1, 3, 4, 5","1, 3, 5a-d","3,5,6",title
   Suggests,y,suggests,-,hasSimilarSoftware hasInteroperableSoftware hasCompositionDescription,related_identifiers,-,-,-,-,-,-,Suggests,-,-,-,optional_features,-,-,-,-,"1, 2","1, 2, 3, 7","2,7",
   Tags,y,tags,Subject,hasSoftwareCategory hasDomainKeywords,keywords,-,tags,-,keywords,-,subject,-,-,keywords,-,keywords,keywords,-,-,-,"1, 3","1, 3","1,3",
  -TestCoverage,? - only in ontosoft,testCoverage,-,hasTestData has TestInstructions,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,3,"1, but missing use case to understand software quality/standing",11,
  +TestCoverage,? - only in ontosoft,-,-,hasTestData has TestInstructions,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,3,"1, but missing use case to understand software quality/standing",11,
   UploadedBy,y,uploadedBy,-,hasPublisher,owners (?),-,-,-,uploadedBy,-,-,"*Three letter code can specify other roles like author above: http://www.loc.gov/marc/relators/relaterm.html, https://journal.r-project.org/archive/2012-1/RJournal_2012-1_Hornik~et~al.pdf",-,-,-,-,-,-,-,-,"3, 4, 5","9, 11",-,added_by
   Version,y,version,Version,hasSoftwareVersion hasVersionReleaseDate supersedes supersededBy,-,-,-,Version,-,Software version,-,Version; numeric_version,Version,version,-,version,version,version,DESCRIPTION/Version,version,"2, 3, 5, 7, 8, 9","2, 3, 4, 5, 6, 7, 8, 9, 11, 13","5,8,9",
   ZippedCodeLink,y,zippedCode,-,-,filename,archive_url,file,-,-,-,-,-,-,download_url,-,-,-,-,-,-,-,-,"5,9",
positive.code: L10n,"? - in python, trove",-,-,-,-,-,-,-,-,-,-,-,-,classifiers['Natural Language'],Translations,-,-,-,-,-,-,-,"3,5",
  License,y,license,Rights,License,license,license (https://developer.github.com/v3/licenses/#get-a-repositorys-license),License,software license,license,Software license,license,License,-,"license, classifiers['License']",License,license,license,license,DESCRIPTION/License,license/licenses,"3, 10","4, 7, 10","4,7,10",
  ObjectType,y,objectType,ResourceType(resourceTypeGeneral=Software),---,upload_type,-,file_type,-,type,-,type,Type,Package-Type,-,-,-,-,type,-,-,1-12,-,5,
  OperatingSystem,?,-,-,SupportsOperatingSystem,-,-,-,-,-,-,-,-,-,classifiers['Operating System'],Operating System,OSNAMES,os,-,-,-,-,-,"2,3,7,8",
  Outputs,y,outputs,-,hasOutputs,-,-,-,data,-,Formats for data inputs and outputs,-,-,-,-,-,-,-,-,-,-,3,"1, 2, 3, 7, 8, 9","1,3,7",
  Package,n - seems like a duplicate of downloadLink,package,-,-,filename/?,-,-,-,-,-,-,-,-,packages,-,-,-,packaging,-,files,?,-,-,
  ProgrammingLanguage,y,programmingLanguage,Format,hasProgrammingLanguage,-,languages_url,-,programming language,-,-,-,-,-,classifiers['Programming Language'],Programming Language,-,-,-,-,-,"1, 2, 3, 7, 8, 9","1, 2, 3, 7, 8, 9","2,7",
  Publisher,y,publisher,Publisher,os:hasPublisher means metadata author,-,-,-,software publisher organization,publisher,-,-,-,-,-,-,-,-,-,-,-,3,"3, 4, 5, 6, 11",5,
  ReadmeLink,y,readme,-,hasDocumentation hasInstallationInstructions,r_i.relation,-,-,-,-,-,-,-,-,-,-,README,files,-,-,-,"1, 2, 3",13,-,
  
negative.code: AuthorName,y,name,-,hasCreator,-,-,Name,-,name,-,-,"Authors@R person(given, family)",-,-,-,author:contact-name,author.name,-,-,-,"3,4,5",-,"3,4,5,6",
  BuildLink,y,buildInstructions,-,-,r_i.relation,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,"2,3,4",13,"2,8,9,11",
  CILink,y,contIntegration,-,-,r_i.relation,-,-,-,-,-,-,-,-,-,-,-,-,ciManagement,-,-,"2, 3, 9",13,"9,11",
  CitationCount,n - not time invariant,-,-,hasUseStatistics,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,3,"6, 4, 3","4,6,12",
  CodeRepositoryLink,y,codeRepository,-,os:hasCodeLocation os:hasExecutableLocation,r_i.relation,git_url,-,-,codeRepository,Links to code repository,-,URL,HomePage,url,-,resources.repository,repository,repositories,-,homepage,"1, 2, 3, 7, 9, (11), (12)","1, 2, 6, 7, 13","3,4,5,6,9,11",site_list
  ControlledTerm,y,controlledTerm,-,hasSoftwareCategory hasDomainKeywords,communities,-,category,-,-,-,-,-,-,classifiers['Topic'],Topic,CATEGORIES,-,-,DESCRIPTION/Categories,-,"1,3","1, 3","1,3",
  DateCreated,y,dateCreated,Date (dateType = Created),-,-,created_at,-,-,dateCreated,-,created,-,Date,-,-,-,-,-,-,-,3,"3, 4, 11",-,
  