1 / 20

HARMONIZATION AND INTEGRATION OF METADATA

HARMONIZATION AND INTEGRATION OF METADATA. AN URGENT TASK FOR FUTURE EFFICIENT USE OF THE WEB Prepared by Dusan Soltes, FM CM BRATISLAVA, SLOVAKIA for the IASSIST’2002 at the UCONN Storrs (USA). WWW . HAS ACHIEVED A HIGH LEVEL OF HARMINIZATION ALL OVER THE WORLD: HARDWARE SOFTWARE

hova
Download Presentation

HARMONIZATION AND INTEGRATION OF METADATA

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. HARMONIZATION AND INTEGRATION OF METADATA AN URGENT TASK FOR FUTURE EFFICIENT USE OF THE WEB Prepared by Dusan Soltes, FM CM BRATISLAVA, SLOVAKIA for the IASSIST’2002 at the UCONN Storrs (USA)

  2. WWW • HAS ACHIEVED A HIGH LEVEL OF HARMINIZATION ALL OVER THE WORLD: • HARDWARE • SOFTWARE • TELECOMS • LANGUAGE • NAVIGATION…HOWEVER…

  3. WWW • HAS NOT YET ACHIEVED: • HARMONIZATION OF DATA CONTENT • DEFINITION OF DATA • INTERPRETATION OF INFORMATION • DIRECT AND/OR EASY COMPARABILITY OF DATA /INFORMATION FROM DIFFERENT SOURCES

  4. NEW ROLE AND CHALLENGE FOR • METADATA/METAINFORMATION • AS SPECIFIC DATA/INFORMATION • ON OTHER (OBJECT) DATA AND/OR INFORMATION

  5. METADATA ITSELF NEEDS HARMONIZATION • AS THERE ARE: • - TOO MANY THEORIES • - MODELS • - APPROACHES • - VARIOUS TOOLS AND TECHNIQUES • - DIFFERENT INTERPRETATIONS • - OBJECTS • - ATTRIBUTES • - …

  6. ONE OF INTERNATIONAL EFFORTS IS METANET • A NETWORK OF EXCELLENCE FOR HARMONIZING AND SYNTHESISING THE DEVELOPMENT OF STATISTICAL METADATA UNDER THE EU’S METANET PROJECT

  7. METANET • FOUR WORKING GROUPS: • - METADA TOOLS AND MODELS • - METADA CONTENT-SEMANTICS • - METADA FUTURE DEVELOPMENT • - METADATA USERS’ ASPECTS

  8. WG 2 – METADATA CONTENTS AND SEMANTICS • THERE ARE AS MANY APPROACHES AS THERE ARE MANY VARIOUS MODELS OF METADATA • ALTOGETHER WE HAVE IDENFIFIED OVER 30 OF DIFFERENT METADA MODELS/APPROACHES WITH DIFFERENT CONTENTS, ETC.

  9. METADATA INVENTORY AND ANALYSIS • METADATA STANDARDS AND TOOLS ASSESSMENT FORM: • - NAME OF THE STANDARD OR TOOL • CONSIDERED • - REFERENCE • - REVIEWER • - VERSION

  10. METADATA STANDARDS AND TOOLS ASSESSMENT FORM • CHARACTERISTICS & DESCRIPTION: • - ORIGIN OF MODEL OR STANDARD • - STANDARDISATION STATUS RESP. • FORMALISATION • - MAIN PURPOSE OF STANDARD OR • MODEL • - OPPORTUNITIES FOR SECONDARY • USAGE, OTHER FUNCTIONALITIES • - ACTUAL USER COMMUNITY

  11. CONTINUATION OF CHARACTERISTICS (1) • - ABSTRACTION LEVEL • - CONTENTS DESCRIBED BY THE • STANDARD OR MODEL • - WHICH OBJECTS ARE CONSIDERED? • - WHICH PROCESSES ARE • CONSIDERED? • - SEMANTIC VIEW • - STATISTICAL VIEW • - INFORMATIC VIEW

  12. CONTINUATION OF CHARACERISTICS (2) • - ADMINISTRATIVE VIEW • - FORMAT (IF RELEVANT) • - CORRESPONDING UML • REPRESENTATION • - RELATION TO XML • - FREE SOFTWARE AND INTERFACES • - COMMERCIAL SOFTWARE, INTERFACES, • SUPPORT, CONSULTANCY • - SPECIAL TERMINOLOGY • - SAMPLE TERMS

  13. PRELIMINARY RESULTS OF ANALYSIS • MANY VARIOUS SYSTEMS • TOO MANY ARE EITHER TOO TECHNICAL OR TOO GENERAL OR TOO SPECIFIC FOR ONE GIVEN SYSTEM ONLY • SOME GOOD EXAMPLES: • - DUBLIN CORE • - NEUCHATEL GROUP • - UN/ECE/METIS

  14. DUBLIN CORE (ISO/IEC 11179-3 BASED) • 15 ATTRIBUTES (6 ISO COMPLYING): • - TITLE - TYPE • - CREATOR - FORMAT • - SUBJECT - IDENTIFIER • - DESCRIPTION - SOURCE • - PUBLISHER - LANGUAGE • - CONTRIBUTOR - RELATION • - DATE - COVERAGE • - RIGHTS

  15. NEUCHATEL GROUP (SWE,DEN, NOR, SWI) • CLASSIFICATION OBJECTS AND ATTRIBUTES: • - CLASS.NAME - OWNERS • - IDENTIFIER - FAMILY • - TITLE - VERSIONS • - DESCRIPTION - CURRENT VERS’N • - OBJECT/UNIT - ITEM HISTORY • - CONTEXT - KEYWORDS • - SUBJECT AREA - FOOTNOTES

  16. UN/ECE/METIS • OBJECTS: ATTRIBUTES OF VARIABLE: • - SURVEY - IDENTIFIER • - OBJECT/UNIT - MEASUREM’T UNIT • - POPULATION - NAME • - VARIABLE - TYPE • - DATA FILE - ORIGIN • - TABLE/PUBLIC’N - CLASSIFICATION • - PROGRAMS - ALGORITHM • - DEFINITION …

  17. FURTHER PROCEEDING: • - FINALIZE INVENTORY • - CREATE META-META DATA BASE • - ANALYSIS OF MMDB ENTRIES • - SELECTION OF MOST SUITABLE • - CREATE STANDARD PROPOSAL • - ADOPTION OF THE STANDARD • - WWW IMPLEMENTATION

More Related