’WPC{ D@k6„ę!vP«:1ėś‘Ō]b3æ»ŌķaÅīP„Ė›¼ÕŲ’F Ed…ŌX9dūq9 ¤G«$£ˆÕł iZhj Qgš!G°¬ŽQŒ‹7 pčšż!ĄfĪ·óCÓ˳eˆŪ(fšąW C¼ÓMĆ­’”$°ÖL‘—AO)"'jß#į Š©£v®eu^·i9q²b>K-Č«Ū {÷2ŻØæ’oäõ­ĒyĻe݇»W§4^rDE‡9OĄ.N·ó]N Ж ]øqē;Lvł20īa:ʇe»šŠIV˜pb–œvš{ćÖł¦§Ź•ū@"fĪ5ŻB£Ō†Œ|ųXĀČ“vć_ yv«&ś[‰1QŪÖ]°ßīq_—ūl˜Ōƒxq5frKܞ’;ŗŃß>ÅOLÜŠLÉbĀ« }Ćé>ØŌXkó?Ō£]‚fŽN=`Äv’ŒŒ_÷D»Ćją“Ā71Oe€ś®“œ ®?’ĆØ&ė5—><öśö“ŖČ_łVŽBr†&Ī$M8ß^ŖkV €ÄčRŅõģÆ,OĻ"Ś ˆ0bšA‹Ų6׫Ī]Śžņļ…•ō03©–OJÆF?ÖśŹfA3ŽźCaī> y‘ #†~UF %J 0(P¦x42:AHP LaserJet IIIHP3.PRS,\,,\,šžŲP _j Ē/·^FŸĄF <åž 9Z ‹.Courier New RegularX($””Meeting Notes X3L8 12/5-7/94 Ź   ' (Bruce Bargmeyer(0Bruce Bargmeyer .   H:A’’’’68J3|x> ’Bert’’Denis’’UDEI’Ż ƒ!ŻŻ  ŻĢÓ  ÓMeeting€NotesĢX3L8€Special€Interest€Group€Meeting€ĢHeld€at€Information€Technology€Industry€(ITI)€CouncilĢFebruary€21„23,€1995ĢÓӀĢĢAttendees:ĢĢBruce€Bargmeyerą  ąą h ąEPAŠ $ t  ŠLarry€Fitzwaterą  ąą h ąEPAŠ ų H  ŠDan€Gillmaną ø ąą  ąą h ąBureau€of€CensusŠ Ģ   ŠAlan€Goldfineą ø ąą  ąą h ąNISTŠ  š  ŠPaul€Hawesą ø ąą  ąą h ąBellcoreŠ tÄ  ŠTammy€Kirkendallą  ąą h ąNISTŠ H˜  ŠJoe€Leahyą ` ąą ø ąą  ąą h ąSAICŠ l  ŠWilliam€Kenworthey,€Jr.ą h ąSelfŠ š@  ŠKaren€Kirkbrideą  ąą h ąSelfŠ Ä ŠJudith€Newtoną ø ąą  ąą h ąNISTŠ ˜č ŠPhong€Ngoą ` ąą ø ąą  ąą h ąSAICŠ l¼ ŠFrank€Olkeną ø ąą  ąą h ąLBLŠ @ ŠMarlene€Palmerą ø ąą  ąą h ąFEMTOŠ d ŠBert€Parkerą ø ąą  ąą h ąMITREŠ č8 ŠĢMeeting€Report:ĢĢThe€meetings€took€place€all€day€the€21st€and€22nd€and€theĻafternoon€of€the€23rd.€The€following€reports€the€issues€raisedĻand€decisions€made.Ģ€Ģ1.€Review€of€parts€of€ISO/EEC€11179ĢĢ1.1€ISO/IEC€11179€Part€1ĢĢ€€oą0  ąRework€the€example€in€6„1€to€better€depict€the€perceivedŠ Ų (" Šintent€of€the€recommendations€from€the€Stockholm€SC14€WG4Ļmeeting.€In€the€text€make€a€reference€to€a€discussion€in€anĻinformative€annex€that€describes€how€data€elements€relate€toĻmodeling€constructs€such€as€"Attribute".€The€editor€will€fixĻthe€discussion€in€Annex€B.Š (#(# ŠĢ€€oą0  ąRemove€the€material€about€"data€composite"€and€"generic€dataŠ ¤&ō!) Šelement"€and€move€the€issues€to€the€X3L8€metamodel.€TheseĻtopics€are€not€addressed€or€provided€for€in€any€of€the€otherĻparts€of€11179.Š (#(# ŠĢ€€oą0  ąPaul€Hawes€(past€editor€of€Part€1)€and€Dan€Gillman€(assumingŠ Č*&. Šeditorship€of€Part€1)€discussed€Denis€Hill's€comments€onĻPart€1.€Some€of€the€issues€were€raised€in€the€groupĻdiscussion.€Dan€Gillman€will€get€back€to€Dennis€Hill.ŠD-”(1(#(# Š€€€oą0  ąSeveral€editing€changes€were€suggested€to€Dan€Gillman.а(#(# ŠĢ1.2€ISO/IEC€11179€Part€4ĢĢThe€final€draft€was€sent€off€to€SC€14€to€forward€for€publicationĻas€an€IS.Ģ€Ģ1.3€ISO/IEC€11179€Part€5Ģ€ĢThe€SIG€recommends€to€the€X3L8€Plenary€the€following€comments€forĻDIS€Ballot:ĢĢGeneral:ĢĢ€€oą0  ąChange€format€to€comply€with€ISO€guidelines€and€to€make€theŠ H˜  Šdocument€consistent€with€Parts€3€and€4.Š (#(# ŠĢ€€oą0  ąCapitalize€"Registration€Authority"€throughout€the€documentŠÄ(#(# ŠĢSpecific:ĢĢ€€oą0  ąClause€3:€Limit€definitions€to€those€substantively€used€inŠ d ŠPart€5.€E.g.,€delete€"domain";€definitions€between€all€partsĻof€11179€need€to€be€reconciled.€The€reconciliation€should€beĻbased€on€the€definition€matrix€in€Part€1.Š (#(# ŠĢ€€oą0  ąClause€3.2:€Change€definition€to€be€same€as€in€Part€3.Š8ˆ(#(# ŠĢ€€oą0  ąClause€3.12:€Change€to€a€definition€of€"Object€class€name".Šą0(#(# ŠĢ€€oą0  ąClause€4.13:€Change€to€a€definition€of€"Property€name".ŠˆŲ(#(# ŠĢ€€oą0  ąą ° ąą  ąClause€4.1:€1)€Change€"registration€authority"€toŠ 0€  Š"registration€authority€identifier"€Rationale:€It€isĻspecifically€an€identifier€that€is€being€discussed€here.€ItĻis€not€the€full€name€of€the€Registration€Authority;€€2)ĻChange€order€to€place€"registration€authority€identifier"Ļbefore€"registration€identifier".Š (#(# ŠĢą0  ąą ° ą€€oą  ąClause€4.3:€1)€Change€"Registered€Data€Element€Identifier"€Š ü$L ' Što€"Universal€Data€Element€Identifier"€and€add€sentence:ĻThis€is€a€universally€unique€identifier€for€a€data€element.ĻRationale:€Need€to€distinguish€this€from€the€components;€2)ĻReorganize€into€a€subclause€for€each€component„„registrationĻauthority€identifier,€registration€identifier,€and€version;Ļ3)€reorder€to€the€same€order€as€in€the€initial€bullet€list;Ļ4)€the€term€"registration€identifier"€is€ambiguous€in€thisĻcontext€and€revision€should€be€considered.Š (#(# ŠĢ€€oą0  ąClause€5,€item€2:€Switch€order€of€"registration€authority"Š D-”(1 Šand€"registration€identifier".Š (#(# ŠĢ€€oą0  ąClause€5,€item€3:€Change€"have€been"€to€"be".ŠXØ(#(# ŠĢ€€oą0  ąClause€6:€Remove€the€word€"domain"€from€4th€paragraph.ŠP(#(# ŠĢ€€oą0  ąClause€6.1.1.1:€Change€heading€"Object€Class"€to€"ObjectŠ Ø ų ŠClass€Component";€change€first€sentence€to€"An€object€classĻname€can€be".Š (#(# ŠĢ€€oą0  ąClause€6.1.1.2:€Change€heading€"Property"€to€"PropertyŠ ų H  ŠComponent";€change€"information€concepts"€to€"properties";Ļadd€"for€the€enterprise"€after€the€underlined€wordĻ"complete";€revise€"properties"€subclause€to€break€outĻ"representation"€component€as€a€separate€subclauseŠ (#(# ŠĢ€€oą0  ąClause€6.1.1.3:€Change€"Qualifier"€to€"Qualifier€Component".Šš@ (#(# ŠĢ€€oą0  ąClause€6.1.2,€item€b):€Example€may€need€to€be€changed,€basedŠ ˜č Šon€comment€for€Clause€6.1.1.2.Š (#(# ŠĢ€€oą0  ąClause€6.2:€Include€statement:€"Within€a€naming€convention,Š d Šit€is€possible€to€establish€syntactic€and€lexical€rules."Š (#(# ŠĢ€€ą0  ąą ° ą€€oą  ąClause€6.2.2:€Add€to€list:€permissible€character€set€andŠ ą Šcase€sensitivity€(i.e.,€state€whether€or€not€termsĻdistinguish€between€upper,€lower,€and€mixed€case).Š (#(# ŠĢ€€ą0  ąą ° ą€€oą  ąAnnex€B:€Last€diagram€should€be€revised€per€clause€6.1.1.2;Š ą0 Šmove€"NAME:"€to€be€in€front€of€the€suggested€name.Š (#(# ŠĢ1.4€ISO/IEC€11179€Part€6ĢĢDecisions:€ĢĢ€€oą0  ąWe€need€a€substantive€section€on€the€procedures€ofŠ ¬!ü# Šregistration€including€the€criteria€for€each€registrationĻstate.Š (#(# ŠĢ€€oą0  ąWe€will€not€use€Annex€H€hierarchy.€Instead€describe€how€RA'sŠ ü$L ' Šcan€work€together€by€creating€new€RA€which€can€assign€a€newĻUDEI.Š (#(# ŠĢ€€oą0  ąWe€should€create€an€informative€annex€or€tutorial€that€showsŠ L(œ#+ Šan€example€of€the€whole€process,€including€intermediateĻsteps.Š (#(# ŠĢ€€oą0  ąSeveral€suggestions€for€editing€changes€were€offered.Šœ+ģ&/(#(# Šā āŠ p,Ą'0 ŠŌ  Ōā āIssues:ĢĢ€€oą0  ąWe€need€to€determine€a€scheme€for€assignment€of€uniqueŠ XØ Šidentifiers.€Will€ISO€6523€work?€Suggestions€includedĻ"distributed"€assignment€of€unique€identifier,€such€asĻrecording€the€exact€time€of€registration€creation€or€usingĻGlobal€Positioning€Satellite€(GPS)€coordinates.€However,Ļsuch€distributed€schemes€lack€the€assurance€of€having€a€listĻof€registries.Š (#(# ŠĢ€€oą0  ąDo€we€want€to€cover€registration€of€Data€element€concepts?Šų H (#(# Š€Ģ2.€X3L8€„€CDIF€MOUĢĢAlan€Goldfine€lead€a€review€of€the€MOU€and€its€status.€A€coupleĻmodifications€were€suggested.€The€SIG€unanimously€resolved€thatĻthe€MOU€be€presented€at€the€X3L8€plenary€session€with€aĻrecommendation€to€approve€it€for€signature€by€the€Chair€of€X3L8.ĢĢ3.€Metamodel€discussionĢĢPaul€Hawes€and€Joe€Leahy€worked€together€between€last€meeting€andĻthis€to€develop€two€levels€of€the€metamodel,€a€"conceptual"€levelĻand€a€"logical"€level.€The€results€of€this€work€were€distributedĻand€discussed.ĢĢ€€oą0  ąThe€work€between€Joe€Leahy€and€Paul€Hawes€led€to€someŠ 8ˆ Šrevisions€of€the€metamodel.€The€revisions€are€up€on€the€FTPĻserver.€In€the€work,€several€new€issues€were€raised,€theyĻare€now€on€the€list€of€issues.€Issues€discussed€at€theĻmeeting€are€listed€below.Š (#(# ŠĢ€€oą0  ąAgreement:€We€will€continue€on€a€concurrent€course,Š 0€  Šresolving€issues€on€the€"conceptual€metamodel"€versionĻ(recorded€by€Paul),€translating€the€"conceptual€metamodel"Ļversion€to€a€"logical€metamodel"€in€IEF€(Joe€Leahy),€andĻworking€the€translation€to€CDIF€(Tammy€Kirkendall,€workingĻwith€Joe€Leahy).Š (#(# ŠĢ€€oą0  ąNew€Issue:€how€do€we€deal€with€dimensionality€(e.g.,Š ü$L ' Š"dimension"€is€length)€of€property€classes,€and€how€do€weĻenforce€consistency€between€dimensionality€of€the€propertyĻand€units.€Raised€by€Frank€Olken.Š (#(# ŠĢ€€oą0  ąNew€Issue:€review€names€for€each€part€of€conceptual€andŠ  )p$, Šlogical€metamodels.€E.g.,€"Label"€in€current€conceptualĻmetamodel€could€be€called€"Name".€"Data€concept"€could€beĻcalled€"Data€Element€Concept".€Raised€by€Judy€NewtonŠ (#(# ŠĢ€€oą0  ąNew€Issue:€Is€there€a€difference€(that€we€want€to€record)Š D-”(1 Šbetween€a€single€concept€data€composite€and€a€multi€conceptĻdata€composite?€Raised€by€Dan€GillmanŠ (#(# ŠĢ€€oą0  ąNew€Issue:€Does€a€Data€Concept€(Data€Element€Concept)Š ,| Šrequire€a€distinct€name(s)?€Raised€by€Paul€Hawes.€Answer:ĻYes,€the€fusion€of€Object€Class€name€and€Property€name€wouldĻproduce€only€a€structured€"classification€name".€There€areĻmany€other€possible€names€at€this€level.Š (#(# ŠĢ€€oą0  ąNew€Issue:€The€current€metamodel€does€not€allow€compoundŠ $ t  Šdatatypes,€it€probably€should.€Raised€by€the€groupŠ (#(# ŠĢ€€oą0  ąNew€Issue:€need€to€be€able€to€use€multiple€taxonomies€forŠ  š  Šeach€of€the€components€(that€have€a€taxonomy).€How€toĻrepresent€this?€Raised€by€Frank€Olken€Š (#(# ŠĢ€€oą0  ąNew€Issue:€Does€a€Logical€Metadata€Class€get€a€new€VersionŠ š@  ŠLabel€when€it€changes€Registration€Status?€Raised€by€PaulĻand€Joe.€Resolution:€No.€Registration€status€has€no€impactĻon€the€data€values€or€data€meaning.Š (#(# ŠĢ€€oą0  ąDo€we€need€to€support€"generic€data€elements"€i.e.,€a€paringŠ d Šof€property€and€representation€without€object€class?€RaisedĻby€Judy€Newton.Š (#(# ŠĢ€€oą0  ąDecisions:€How€to€forward€the€work€on€the€metamodel.Šd“(#(# ŠĢą0  ą€€„ą0` (#(#ąANSI€level€send€out€press€release€as€soon€as€SD3€isŠ  \ Šapproved.€Press€release€describes€the€effort€and€how€toĻget€a€copy.€Have€available€the€front€matter€and€theĻlist€of€issues€available€as€well€as€the€two€levels€ofĻmetamodels.€Target€date:€End€of€AprilŠ ` (#` (# ŠĢą  ą€€„ą0 ` ąAs€soon€as€we€have€resolved€the€issues,€vote€out€ofŠ  T! ŠX3L8€for€ANSI€public€review.€Š ` (#` (# ŠĢą  ą€€„ą0 ` ąCurrent€thinking€is€that€the€"front€matter€explainingŠ €"Š$ Šthe€metamodel",€the€"Conceptual€Model"€and€the€"LogicalĻModel"€will€all€be€part€of€the€ANSI€standard.Š ` (#` (# ŠĢą  ą€€„ą0 ` ąIt€is€believed€that€the€metamodel€in€its€current€stateŠ Š% !( Š(particularly€the€logical€level€metamodel)€is€ready€forĻtranslation€into€CDIF€notation€and€integration€intoĻCDIF.€Tammy€will€perform€the€translation€andĻintegration,€referring€to€Joe€Leahy€and€Paul€Hawes€asĻissues€arise.€As€the€work€proceeds€it€will€be€broughtĻfor€confirmation€to€the€X3L8€SIG€at€regular€SIGĻmeeting.€Email€and€other€forms€of€communication€can€beĻused€between€meetings.€Time€frame:€initial€translationĻand€integration€by€the€end€of€March.ŠD-”(1` (#` (# Їą  ą€€„ą0 ` ąIt€is€believed€that€the€X3L8€metamodel€in€CDIF€notationŠ ° Šand€integrated€into€the€CDIF€Integrated€Meta„model,€asĻderived€in€the€above€item,€is€sufficient€to€identifyĻissues€that€need€to€be€addressed€the€CDIF€IntegratedĻMeta„model.€A€list€of€issues€should€be€available€to€L8Ļby€the€end€of€March.€The€SIG€will€consider€these,€andĻforward€them€to€CDIF€as€appropriate.Š ` (#` (# ŠĢThe€following€are€keyed€to€the€list€of€ń6 ńmetamodel€issues,€which€isĻkept€as€a€separate€document€on€the€ń9 ńX3L8€ń9 ńFTP€server.ĢĢ€€oą0  ąIssue€3:€Decision:€We€have€created€an€associative€entity,Š Ģ   Šcurrently€labeled€"data€concept",€which€inherits€all€theĻattribution€of€"logical€metadata€class"€and€has€theĻfollowing€unique€attributes?€"Property€Class€Qualifier€Name"Ļand€"Definition€Text".€This€item€is€resolved.Š (#(# ŠĢ€€oą0  ąIssue€6:€Decision:€This€can€be€taken€care€of€by€the€fourŠ Ä Šattributes€of€"Registration€Authority":€UniqueĻIdentification€Label,€Natural€Language€Label,€AddressĻDescription,€Derivation€Expression€Language€Label.€Status:ĻResolved.Š (#(# ŠĢ€oą0  ąNew€Issue:€Does€the€qualifier€of€"Representation€Class"Š ¼  Šchange€the€meaning€of€the€data€element?€Decision:€No.ĻQualifiers€that€change€the€meaning€occur€at€the€PropertyĻlevel.€At€the€representation€level,€the€qualifier€describesĻthe€representational€form.€E.g.,€Alpha€or€Numeric€as€aĻqualifier€of€Representation€Class,€"Code".€Status:€Resolved.Š (#(# ŠĢ4.€Next€meetings:ĢĢSIG€Meetings„„the€following€SIG€meetings€will€be€held€at€NIST:ĢĢWednesday,€March€29Ģ€€€Admin.€Bldg.,€Room€B111,€9:00€a.m.€to€4:30€p.m.Ģ€€€No€dining€room€for€lunchĢThursday,€March€30Ģ€€€Building€221,€Room€A366,€9:00€a.m.€to€4:30€p.m.Ģ€€€Admin.€Bldg.,€Dining€Room€AĢFriday,€March€31Ģ€€€Building€225,€Room€B157,€9:00€a.m.€to€4:30€p.m.Ģ€€€Admin.€Bldg.,€Dining€Room€AĢĢTuesday,€April€18Ģ€€€Building€223,€Room€B307,€9:00€a.m.€to€4:30€p.m.Ģ€€€Admin.€Bldg.,€Dining€Room€AĢWednesday,€April€19Ģ€€€Building€223,€Room€B307,€9:00€a.m.€to€4:30€p.m.Ģ€€€Admin.€Bldg.,€Dining€Room€CŠ D-”(1 ŠThursday,€April€20Ģ€€€Admin.€Bldg.,€Room€B113,€9:00€a.m.€to€4:30€p.m.Ģ€€€Admin.€Bldg.,€Dining€Room€AĢĢTuesday,€May€23Ģ€€€Admin.€Bldg.,€Room€B113,€9:00€a.m.€to€4:30€p.mĢ€€€Admin.€Bldg.,€Dining€Room€CĢWednesday,€May€24Ģ€€€Building€225,€Room€B157,€9:00€a.m.€to€4:30€p.m.Ģ€€€Admin.€Bldg.,€Dining€Room€CĢThursday,€May€25Ģ€€€Building€225,€Room€B157,€9:00€a.m.€to€4:30€p.m.Ģ€€€Admin.€Bldg.,€Dining€Room€AĢĢX3L8€documents,€including€this€meeting€report,€are€available€viaĻAnonymous€FTP€from€speckle.ncsl.nist.gov.€Change€directory€toĻXń4 ń3ń4 ńL8€and€check€the€"readme"€file€for€details.