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Metadata Exchange amongst RegistriesMetadata Exchange amongst Registries

Phong Ngo (NCITS/L8 - SAIC)Phong Ngo (NCITS/L8 - SAIC)

April 15-17, 1998

Metadata Registry Workshop

Washington, D.C., U.S.A.

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Metadata Registration PrinciplesMetadata Registration Principles

Non exclusive registration: Non exclusive registration: Every Every organization may be a Registration Authority.organization may be a Registration Authority.

Data sharing registration: Data sharing registration: Data may be Data may be shared intra- or inter-organizationally.shared intra- or inter-organizationally.

Economically enforced registration: Economically enforced registration: Utility Utility determines longevity and usefulness.determines longevity and usefulness.

Flexible Registration: Flexible Registration: Metadata may be Metadata may be registered at different levels of quality.registered at different levels of quality.

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ISO/IEC 11179-6 informative Annex BISO/IEC 11179-6 informative Annex B

It is envisioned that organizations wishing to share It is envisioned that organizations wishing to share information among themselves may want to establish information among themselves may want to establish an RA for that purposean RA for that purpose

If two or more RAs believe that they should If two or more RAs believe that they should standardize certain data elements across their areas of standardize certain data elements across their areas of interest, then:interest, then:– negotiate to complement one another's registers with their negotiate to complement one another's registers with their

already standardized data elementsalready standardized data elementsOROR– establish another RA to register data elements that they want establish another RA to register data elements that they want

to share, but are not available or agreed uponto share, but are not available or agreed upon

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Discussion TopicsDiscussion Topics Lessons Learned:Lessons Learned:

1 Have you shared, i.e, RETRIEVED and/or PROVIDED, metadata Have you shared, i.e, RETRIEVED and/or PROVIDED, metadata within your own organization?within your own organization?

2 How do you promote the use of metadata within your How do you promote the use of metadata within your organizations? What ? How ?organizations? What ? How ?

3 Have you shared metadata with other organizations ? What ? Have you shared metadata with other organizations ? What ? How ?How ?

4 What metadata attributes are used/shared the most ?What metadata attributes are used/shared the most ?5 What mechanism/interfaces do you use to share metadata ?What mechanism/interfaces do you use to share metadata ?

Looking into the Future:Looking into the Future:6 What SHOULD we share ?What SHOULD we share ?7 How SHOULD we share ?How SHOULD we share ?

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•Advise•Notify

Specify DE

•Submit DE for registration•Provide supplemental info

•Resolve conflict

process applicationsassign IRDI valuesmaintain a Data Element RegistryAssign appropriate Registration Status

Notify SOs of its decisions

Consult

•Reconcile•Clarify

Arbitratesemantics namedomain

Submitting Organization

Responsible Organization

Registration Authority

Roles and Responsibilities

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At t ribute At t ribute CategoryCategory Name of Data ElementName of Data Elem ent

RE: ISO/IECRE: ISO/IEC11179-311179-3 ObligationObligation

ResponsibilityResponsibility

SOSO RORO RARA

Identi fying Name (6.1.1) M P R R

Identi fier (6.1.2) M* A

Version (6.1.3) M* A

Registration authority (6.1.4) M* P R

Synonymous name (6.1.5) O P R

Context (6.1.6) M* P R

At t ribute At t ribute CategoryCategory Name of Data ElementName of Data Elem ent

RE: ISO/IECRE: ISO/IEC11179-311179-3 ObligationObligation

ResponsibilityResponsibility

SOSO RORO RARA

P R R

RA — Registrat ion A uthority O— OptionalCO — Responsible Organization M— MandatorySO— Submit t ing Organization P— ProvideA— Assign R— Rev iewC— Condit ional

RA — Registrat ion A uthority O— OptionalCO — Responsible Organization M— MandatorySO— Submit t ing Organization P— ProvideA— Assign R— Rev iewC— Condit ional

Table A-1: Basic Attributes of Data Elements for Data Element Registers(RE: Part 3 of ISO/IEC 11179)

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Definitional Definition (6.2.1) M P R R

Relational Class ification scheme (6.3.1) O P R

Keyword(s) (6.3.2) O P R

Related data reference (6.3.3) O P R

Type of relationship (6.3.4) C P R

RA — Registration A uthority O— OptionalCO — Responsible Organization M— MandatorySO— Submit t ing Organization P— ProvideA— Assign R— Rev iewC— Condit ional

RA — Registration A uthority O— OptionalCO — Responsible Organization M— MandatorySO— Submit t ing Organization P— ProvideA— Assign R— Rev iewC— Condit ional

Table A-1: Basic Attributes of Data Elements for Data Element Registers(RE: Part 3 of ISO/IEC 11179)

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Representational

Representation category (6.4.1) M P R

Form of representation (6.4.2) M P R

Data type of data element values (6.4.3) M P R

Max imum size of data elementvalues

(6.4.4) M P R

Minimum size of data elementvalues

(6.4.5) M P R

Layout of representation (6.4.6) C P R

Perm issible data element values (6.4.7) M P R R

RA — Registration A uthority O— OptionalCO — Responsible Organization M— MandatorySO— Submit t ing Organization P— ProvideA— Assign R— Rev iewC— Condit ional

RA — Registration A uthority O— OptionalCO — Responsible Organization M— MandatorySO— Submit t ing Organization P— ProvideA— Assign R— Rev iewC— Condit ional

Table A-1: Basic Attributes of Data Elements for Data Element Registers(RE: Part 3 of ISO/IEC 11179)

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Administrative

Responsible organization (6.5.1) M* P R

Registration status (6.5.2) M* A

Submitting organization (6.5.3) M* P R

Comments (6.5.4) O P R

RA — Registrat ion A uthority O— OptionalCO — Responsible Organization M— MandatorySO— Submit t ing Organization P— ProvideA— Assign R— Rev iewC— Conditional

RA — Registrat ion A uthority O— OptionalCO — Responsible Organization M— MandatorySO— Submit t ing Organization P— ProvideA— Assign R— Rev iewC— Conditional

Table A-1: Basic Attributes of Data Elements for Data Element Registers(RE: Part 3 of ISO/IEC 11179)

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................

Name of Data Element ObligationResponsibility

SO RA

Administrative status M A

Address of submitting organization (SO) M P R

Name of SO's contact person M P R

Title of SO's contact person O P R

Postal address of SO's contact person M P R

Electronic mail address of SO's contact person O P R

Phone number of SO's contact person M P R

RA

A

Table A-2: Administrative Attributes for Data Element Registers

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Recorded

Certified

Standardized

Retired

Incomplete

Registration Status