Definitions and Controlled Vocabularies.
Definitions : a concise explanation
of the meaning of a word or phrase or symbol. A statement of the meaning of a word or word group or a sign or symbol (dictionary
definitions); A statement expressing the essential nature of a thing. The act of defining : The action or process of
determination of the subject limits.
Controlled
Vocabulary : Preferred terms or phrases that are designated for use in a catalog, database,
or other retrieval tool to be used for all the various phrases and words used to describe a concept. May also be called "descriptors"
or "subject headings", and be listed in a "thesaurus".
A controlled
language is a language with a restricted syntax and vocabulary.
Resource
Discovery :
How does a user find a resource?
How does a user access-determine
its relevance?
How does a user find associated tools?
Resource Creation :
How to choose among proliferating formats?
How to create resources that are portable across platforms
and over time?