Data Dictionary

Nouns

Author

The creator (or at least, the one assuming responsibility for) of the content of a resource. Either a single person, or a group. In some cases, the author may digitally sign the resource.

Reference

A pointer from an article to another resource which is not a different version of the article.

Editor

Envelope

Generalizes headline. Is associated one-to-one with a resource, and describes it, using keywords, versioning, authorship, editorial, and publication data.

Headline

Article

Specializes resource.

Filter

A predicate on the complete set of resources published by a given source or aggregator.

Source

1.The originator of the information in a resource. 2. Synonymous with aggregator

Aggregator

Functionally identically to a publisher, but an aggregator is also a subscriber to numerous other sources which (in general) pre-filters and re-categorizes the resources it subscribes to.

Resource

Version

Event Information

An article containing date-and-time and location, which is meant to describe an upcoming event. Like an article, it has keywords to facilitate searching.

Calendar

A collection of event information; thus,

Keyword

A string associated with a resource description. Keywords may either be in an undifferentiated set of strings, or they may be partitioned by subject areas.

consumer

Applications that consume or display content resources.

user

A person who reads or views content, perhaps produced by a consumer

reference

an information source which is itself an accessible or referencable resource.

source

a source of original information used by an author to create a resource. Some sources may be references.

content producer

information source

publisher

Verbs