Glossary of Terms

Following are some terms and definitions / explanations. More will be added. Definitions will be supplied.

Boolean queries
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CD-DA
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CD-ROM
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clustering
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CODER
COmposite Document Expert/extended/effective Retrieval - a system developed in the 1980's at Virginia Tech to explore distributed expert-based information systems technology
controlled vocabulary
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CSCW
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digital library
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digital tree
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distance function
a function of 2 variables satisfying 3 properties (see text chapter 2), often thought of in metric spaces, most commonly involving Euclidean space and so viewed as Euclidean distance
document
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E measure
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Englebart
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Envision
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exhaustivity
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faceted classification
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flat file
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FSA (finite state automata)
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filtering
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Guide
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hashing
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HTML (HyperText Markup Language)
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HTML+ (HyperText Markup Language - extended)
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HyperCard
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hypermedia
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hypertext
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Hypertext Compendium
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Hypertext on Hypertext
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HyTime
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indexing
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indexing language
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IDF (inverse document frequency)
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INQUERY
INQUERY Information Retrieval System (U. Mass. Amherst)
inverted file
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JPEG
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KMS
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Licklider
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MARC
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MARIAN
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MIME
MIME, the Multi-purpose Internet Mail Extensions, is a specification (i.e., RFC1521 and RFC1522) that offers a way to interchange text in languages with different character sets, and multi-media e-mail among many different computer systems that use Internet mail standards. MIME FAQs
MJPEG
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Mosaic
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MPEG
Moving Picture Expert Group --- digital video standard
natural language
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natural language text-search
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Nelson
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netlib
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NII
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NREN
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NSFNET
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paperless society
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PAT
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Patricia tree
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plasticity
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precision
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query
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ranking
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recall
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regular expression
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relevance judgment
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search tree
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SGML
Standard Generalized Markup Language, an international standard for describing any type of document, ISO 8879
signature file
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similarity measure
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SMART
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specificity
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stemming (suffix stripping)
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stop word list
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superimposed coding
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term
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term broadening
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term narrowing
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term weighting
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TF (term frequency)
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thesaurus
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trie
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truncation
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TULIP
The University Licensing Program --- Elsevier, 40 bitmap journals on materials
volatility
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WAIS
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WWW
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Z39.50
Library of Congress Page for Z39.50