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Re: The triples datamodel -- was Re: Semantic Web pe
On Jun 8, 2004, at 2:40 AM, Henrik Martensson wrote:
>
> "Validating" does not mean "breaking". It is the other way around.
> Validation is one form of error checking. It is when you don't check
> for
> errors that you end up with brittle software. Worse, you can end up
> with
> software that produces insane results without notifying anyone. This
> can
> be a killer, literally.
>
A couple of others answered this, I'd just add one more point: real
business-level validation checks a lot more than syntax. It's not
enough that a name and address field are filled in, that usually has to
unambiguously match a known customer. It's not enough that a date is
in the format specified by the schema, it has to be in an appropriate
timeframe (usually the recent past or the recent future). Given that
you have to validate all that stuff anyway, and that you have tools
such as XPath to extract the needed information from a more general
context rather than a rigid syntax, lots of people find that the
exercise of defining, agreeing to, and validating against a
syntax-level schema doesn't add enough benefit to justify the cost.
- References:
- RE: The triples datamodel -- was Re: Semantic Web permathread, iteration n+1
- From: "Howard Katz" <howardk@f...>
- RE: The triples datamodel -- was Re: SemanticWeb permathread, iteration n+1
- From: Elliotte Rusty Harold <elharo@m...>
- Re: The triples datamodel -- was Re: Semantic Web permathread, iteration n+1
- From: Bjoern Hoehrmann <derhoermi@g...>
- Re: The triples datamodel -- was Re: SemanticWeb permathread, iteration n+1
- From: Elliotte Rusty Harold <elharo@m...>
- Re: The triples datamodel -- was Re: SemanticWeb permathread, iteration n+1
- From: Alaric B Snell <alaric@a...>
- Re: The triples datamodel -- was Re: SemanticWeb permathread, iteration n+1
- From: Henrik Martensson <henrik.martensson@b...>
- Re: The triples datamodel -- was Re: Semantic Web permathread, iteration n+1
- From: Elliotte Rusty Harold <elharo@m...>
- Re: The triples datamodel -- was Re: Semantic Web permathread, iteration n+1
- From: Robert Koberg <rob@k...>
- Re: The triples datamodel -- was Re: Semantic Web permathread, iteration n+1
- From: Elliotte Rusty Harold <elharo@m...>
- Re: The triples datamodel -- was Re: Semantic Web permathread, iteration n+1
- From: "Thomas B. Passin" <tpassin@c...>
- Re: The triples datamodel -- was Re: Semantic Web permathread, iteration n+1
- From: Robert Koberg <rob@k...>
- Re: The triples datamodel -- was Re: Semantic Web permathread, iteration n+1
- From: "Thomas B. Passin" <tpassin@c...>
- Re: The triples datamodel -- was Re: SemanticWeb permathread, iteration n+1
- From: Henrik Martensson <henrik.martensson@b...>
- Re: The triples datamodel -- was Re: SemanticWeb permathread, iteration n+1
- From: "Thomas B. Passin" <tpassin@c...>
- Re: The triples datamodel -- was Re: SemanticWeb permathread, iteration n+1
- From: Rick Marshall <rjm@z...>
- Re: The triples datamodel -- was Re: Semantic Web permathread, iteration n+1
- From: Michael Champion <mc@x...>
- Re: The triples datamodel -- was Re: SemanticWeb permathread, iteration n+1
- From: Henrik Martensson <henrik.martensson@b...>
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