International Atomic Energy Agency

INIS : International Nuclear INIS : International Nuclear Information SystemInformation System

Yves TurgeonYves TurgeonHead, INIS UnitHead, INIS Unit

International Atomic Energy AgencyInternational Atomic Energy Agency

INIS - Joint INIS/ETDE Thesaurus 2 International Atomic Energy Agency

BackgroundBackground

• INIS was created in 1969

• Co-operative system operated by IAEA and its Members

• 129 Members

• 110 States

• 19 international organizations

• Provides information on peaceful uses of nuclear energy

INIS - Joint INIS/ETDE Thesaurus 3 International Atomic Energy Agency

Subject ScopeSubject Scope

Chemistry6%

Nuclear Pow er & Safety6%

Elementary Particle Physics11%

Engineering & Instrumentation

12%

Nuclear Materials9%

Nuclear Physics9%

Atomic, Molecular and Condensed Matter Physics

9%

Life Sciences19%

Economic, Legal & Social3% Environmental & Earth

Sciences4%

Nuclear Fuel Cycle & Radioactive Waste

5%

Fusion Research and Technology

5%

Isotopes1%

Non-Nuclear Energy1%

Safeguards0%

INIS - Joint INIS/ETDE Thesaurus 4 International Atomic Energy Agency

INISINIS

• Provides access to qualified nuclear information published worldwide

• Bibliographic database (~2.4 million records; grows 80,000+/year)

• Full text collection of non-conventional literature (~ 600,000 documents).

• Availability• INIS Database on Internet from IAEA

• INIS Database on CD-ROM (Silverplatter.)

• STN; Energy Database (Dialog)

INIS - Joint INIS/ETDE Thesaurus 5 International Atomic Energy Agency

INIS RecordsINIS Records

• Bibliographic description (title, authors, etc.)

• Abstract (at least one in English)

• Subject Categories (1-3)

• Descriptors (from the Joint Thesaurus): minimum of 3, usually more than 5• Both categories scheme and thesaurus are

maintained in collaboration with the Energy Technology Data Exchange (ETDE), of the OECD/NEA

INIS - Joint INIS/ETDE Thesaurus 6 International Atomic Energy Agency

INIS/ETDE Joint ThesaurusINIS/ETDE Joint Thesaurus

• Origins in Euratom Thesaurus

• Maintained by INIS since 1969

• Adopted by Energy Technology Data Exchange in the 80s, now managed by both

• Covers INIS scope + and energy technology scope

INIS - Joint INIS/ETDE Thesaurus 7 International Atomic Energy Agency

INIS/ETDE Joint ThesaurusINIS/ETDE Joint Thesaurus

• Each term has a unique ID

• Total number of terms: 27,773

• Valid terms: 20,973

• ‘Forbidden’ terms: 6,800

• Head terms: ~3,200

INIS - Joint INIS/ETDE Thesaurus 8 International Atomic Energy Agency

INIS/ETDE Joint ThesaurusINIS/ETDE Joint Thesaurus

• Relationship Symbol Cross reference

• Hierarchical BT Broader Term (9 levels)

NT Narrower Term (9 levels)

• Affinitive RT Related Term

• Preferential UF used for; reciprocal USE...

UF+ used for; reciprocal USE/AND

SF seen for; reciprocal SEE/OR

INIS - Joint INIS/ETDE Thesaurus 9 International Atomic Energy Agency

INIS DictionariesINIS Dictionaries

• INIS only

• All language dictionaries linked to English terms (via the ID)

• English, French, German, Russian and Spanish

• Chinese being completed

• Arabic started

INIS - Joint INIS/ETDE Thesaurus 10 International Atomic Energy Agency

Current DevelopmentsCurrent Developments

• Computer-assisted indexing• Currently installing and tuning a CAI system

• Adding ‘hidden’ terms (synonyms): expected to add between 100-200,000 such terms)

• INIS Taxonomy• Borrows from an earlier categorisation scheme

used by INIS until year 2000

• Expected to be completed in 2004

• To be used with CAI and retrieval system for navigation and knowledge organisation