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> -----Original Message-----
> From: "Costello, Roger L." <costello@m...>
> To: "'xml-dev@l...'" <xml-dev@l...>
> Date: Mon, 31 Aug 2009 08:23:38 -0400
> Subject: What is Data?
>
> > ANOTHER EXAMPLE
> >
> > This is not data and it contains no data:
> >
> > Run really fast.
Subject Predicate Object
(You) imperative run really fast
fast adverb really
run adverbial phrase? really fast
> > The sentence contains a verb followed by an adverb followed
> > by an adjective. Verbs, adverbs, and adjectives are not data.
> >
> > Data are nouns.
Perhaps. But think of anything as a noun if you wish, then name
the relationship it has with anything that qualifies it.
Seth
> > xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > Simplification
> > xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >
> > Recent research suggests that there may be just two
> categories
> > of data:
> > 1. Entities
> > 2. Relationships
> >
> > An attribute is merely a special case of a relationship.
> >
> >
> > EXAMPLE
> >
> > Above we stated that these represent an entity, attribute,
> and
> > relationship, respectively:
> >
> > John Smith
> > Six feet tall
> > Father of
> >
> > Rather than considering "Six feet tall" as an attribute of
> > entity "John Smith", we can consider "Six" to be an entity
> and
> > there is a relationship (has a height of) between "John
> Smith"
> > and "Six":
> >
> > John Smith has a height of Six
> >
> > Thus, in this example there are two entities ("John Smith"
> and
> > "Six") and two relationships ("has a height of" and "Father
> > of")
> >
> >
> > xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > Data and Datum
> > xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >
> > Data is the plural of datum, a singular item. In practice,
> > however, people use data as both the singular and plural form
> > of the word.
> >
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