thesaurus management tools

Melissa Riesland / ASIS&T PNC 2002

Thesaurus Management Tools

TermTree

Definitions

Why control?The Great Pop vs. Soda Controversy

Source: http://www.ugcs.caltech.edu/~almccon/pop_soda/

Red Hot Chili Peppers

•red hot peppers•red hot chilly peppers•red hot chillipepper•red hot chillie peppers•red hot chilli peppers•red hot chilli pepers•red hot chill peppers•red hot chilipeppers

•red hot chili pepper•red hot chili pepers•red hot chili•red hot•chilli peppers•chili peppers •the red hot chili peppers•red chili peppers

Relationships

•Hierarchical

•Equivalent

•Associative

Hierarchical

Parent – Child OR Trees

Cats

NT Domestic Cats

NT Persians

NT Wild Cats

NT Tigers

EquivalentPop – Soda – Coke

•soft drink •tonic •soda pop, soda water

•cola, cocola

•pepsi •cold drink

•carbonated beverage

•fizzy drink •sodie, sodie pop, sody pop, sodee

Source: http://www.ugcs.caltech.edu/~almccon/pop_soda/

Associative

Dogs Dog houses

classification

“A logical system for the arrangement of knowledge.”

~~Lois Mai Chan

Source: Cataloging and Classification: An Introduction, 2nd ed.,

McGraw-Hill, 1994.

classification• Classes and subclasses

• Common and distinguishing characteristics

• Pre-established principles

• Items in a collection or entries in an index, bibliography, or catalog

• Access and retrieval

~~Online Dictionary of Library and Information Science (ODLIS)

Source: http://vax.wcsu.edu/library/odlis.html

classification

Symbolic

Represent classes and subclasses of concepts using letters, numbers, or a combination of the two.

Natural language

Traditionally represent relationships using nouns and noun phrases.

Controlled Vocabularies

• Authority lists, gazetteers, glossaries

• Taxonomies

• Thesauri

• Topic maps

Authority Lists

Christie, Agatha, 1890-1976

100 1_ |a Christie, Agatha, |d 1890-1976

…

500 1_ |w nnnc |a Mallowan, Agatha Christie,

|d 1890-1976

500 1_ |w nnnc |a Westmacott, Mary,

|d 1890-1976

Source: http://authorities.loc.gov/

Gazetteers

Source: http://www.gazetteer.de/home.htm)

Gazetteers

Glossaries

Taxonomies vs. Thesauri

Shared characteristics

•Traditional relationships

•Traditional uses

•Specific to topic or collection

Taxonomies vs. Thesauri

Distinguishing characteristics

•Information access

• Information retrieval

Information Access

Browsing

aka “buckets”

Information Access

Navigation

Information Retrieval

Explicit details

Trees & Webs

Taxonomies & Thesauri Topic Maps

Topic Maps

Traditional

• Knowledge structures

• Information resources

Topic Maps

Facet analysis and synthesis, 260-262, 280, 484

Field tags in MARC (see Fields and subfields; Subfield codes)

Form headings and subdivisions:

defined, 485in LCSH, 176, 183in Sears, 213, 218-219

Government bodies and officials, 140-141 (See also Heads of state and governments)

Topics

Occurrences

Associations

Topic Maps

Virginia Woolf wrote To the LighthouseVirginia Woolf was married to Leonard WoolfLeonard Woolf founded the Hogart PressThe Hogart Press published T.S. Eliot’s

The WastelandEliot was influenced by Ezra PoundEtc. etc.

Data integrity

• Orphans

• Circular references

• Misspellings

• Inversions

Why buy?

Time

• Cross-checking & proofreading

• Software development time

Why buy?

Cost

• Time = $$$

• In-house development = $$$

Why buy?

Choices

Choices

•Automated or manual

•Bundled or stand-alone

•Single or multi-user

Tasks

•Vocabulary construction and maintenance

•Reporting

•Search and indexing

Criteria

•Technical

•Pricing and licenses

•Acceptance

Criteria

•Documentation

•User experience

•Data integrity

Criteria

•Structural

•Editing

•Importing, exporting, and reports

•MultiTes - http://www.multites.com/•TermTree - http://www.termtree.com.au/index.html•WebChoir - http://www.webchoir.com/products.html•Synapse - http://www.synaptica.com/•Data Harmony - http://www.dataharmony.com/

For information on more software products and how to select products, see http://www.willpower.demon.co.uk/thessoft.htm.

Products Referenced in This Presentation

The End

E-mail: riesland65@yahoo.com