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Practical Internet Groupware
book

Practical Internet Groupware

by Jon Udell
October 1999
Beginner content levelBeginner
521 pages
15h 28m
English
O'Reilly Media, Inc.
Content preview from Practical Internet Groupware

When URL and Doctitle Namespaces Don’t Suffice

You want to cram as much as possible into the URL and doctitle namespaces, because these are what you get back “for free” from search engines. But inevitably, there will be missing pieces. Consider the newsgroup results in Figure 8.2. There’s clearly a value that will map well to creation date—namely, the posting date of each newsgroup message. However, that value appears neither in the document’s URL nor in its document title. In fact, documents in the primary conferencing docbase had no HTML document titles, because they weren’t HTML documents; they were newsgroup messages that carried their fielded information in NNTP headers.

In these cases, you have to dig out the information another way. How? That depends on the nature of the docbase—whether it resides remotely on a server you don’t control or locally on a server you do control, whether you have access to the server’s file system, and possibly other factors.

Note that the newsgroup search results in Figure 8.2 presented two links. The N link’s address was a news:// URL such as news://dev4.byte.com/358C707B.ED39B9C1@aol.com, and the W link pointed to a mirrored web page such as http://dev4.byte.com/syscon/02137.html. Given this mirrored-docbase situation, there were many possible ways to get hold of a creation date for a newsgroup search result.

One solution would have been to reengineer the doctitle namespace in the web mirror of the newsgroup, just as was done for the other ...

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ISBN: 1565925378Catalog PageErrata