Page 173 - DLIS405_INFORMATION_STORAGE_AND_RETRIEVAL

Information Storage and Retrieval

Notes Academic Standards [+]
Basic Skills [+]
Competence [+]
Competency Based Education [+]
Mastery Tests
Minimum Competencies
National Competency Tests
Student Certification
Test Score Decline
Parenthetical Qualifiers
A Parenthetical Qualifier is used to identify a particular indexable meaning of a homograph. In
other words, it discriminates between terms (either Descriptors or USE references) that might
otherwise be confused with each other. Examples include LETTERS (ALPHABET) and LETTERS
(CORRESPONDENCE); SELF EVALUATION (INDIVIDUALS) and SELF EVALUATION
(GROUPS).

The Qualifier is considered an integral part of the Descriptor and must be used with
the Descriptor in indexing and searching.

Self Assessment

Fill in the blanks:
1. A ...... is a brief statement of the intended usage of a descriptor.
2. ......, procedures, or sets of items that are used to measure ability, skill, understanding,
knowledge, or achievement.

3. While you can also search ERIC using keywords of your choosing, you will get more precise
search results if you use ...... terms.
Multiple Choice Questions:
4. A former descriptor that has been downgraded to the status of a UF term is accompanied by
a ...... notation in parentheses.
(a) Lifelong (b) Life span
(c) Recurrent (d) Permanent
5. ...... have a close conceptual relationship to the main term, but not the direct class/subclass
relationship described by BTs/NTs.
(a) Narrow Terms (b) Broader Terms
(c) Related Terms (d) None of These

14.2 Thesaurofacet

The term “thesaurofacet” was coined by Aitchison et al. (1969) as the combination of a faceted
classification and a thesaurus.
Aitchison (1970) describes a faceted classification and thesaurus covering engineering and related
scientific, technical, and management subjects. A novel feature of the system is the integration of

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