Re: wisn99 (8/19-20)-- very early draft -- comments?

Rohit Khare (rohit@uci.edu)
Fri, 11 Jun 1999 12:56:24 -0700


>
>> (hint: the Web doesn't have inodes as persistent, intermediate
>> addresses for documents in the face of moves, renames, and deletes).
>
>So what, you want a permanent wnode for every web object, the web as=20
>a database
>in 3rd normal form? I don't see how that would help without considerably m=
ore
>persistence in the objects themselves.

Ah, but it *shouldn't* -- indeed, as you said, the whole virtue of=20
the Web is that there is no central naming of even, say message-IDs.=20
Anyone with a domain name can conjure up a web space, and put=20
shape-shifting format negotiators behind any so-named Hollywood=20
Square.

The hint is an explication of the fundamental gap that make the task=20
DAV AColl placed before themselves so mind-slappingly difficult,=20
'sall.

:-)
Rohit

------------------------------------------------------------------------
http://www.astro.virginia.edu/~eww6n/math/Codomain.html
------------------------------------------------------------------------

Codomain

A set within which the values of a function lie (as opposed to the=20
Range, which is the set of values that the function actually takes).
See also Domain, Range (Image)

References
Borowski, E. J. and Borwein, J. M. (Eds.). The HarperCollins=20
Dictionary of Mathematics. New York: HarperCollins, p. 89, 1991.
Griffel, D. H. Applied Functional Analysis. New York: Wiley, p. 116, 1984.

------------------------------------------------------------------------
=A9 1996-9 Eric W. Weisstein
1999-06-09

[OH! but my, isn't this an interesting resource! Read on for one of=20
the most creative IPR clauses I've ever seen! It so neatly separates=20
out the casual user from the segment that ought to buy the book!!]

Sorry, Access Denied to: /~eww6n/math/Map.html
in the CRC Concise Encyclopedia of Mathematics

My apologies, but due to copyright obligations in conjunction with=20
release of the book version, portions of the CRC Concise Encyclopedia=20
of Mathematics have been blocked from web access starting Nov 12,=20
1998. Rather than remove the whole archive, entries beginning with 10=20
randomly chosen letters will be blocked each day. As the following=20
table shows, even with this restriction, your chances of finding the=20
entry you want are better than 99% within 4 days, the time it would=20
take a domestic letter to travel one-way to your mailbox.

Days (n) Chance of letter being
accessible within n days
0 63.0%
1 86.3%
2 94.9%
3 98.1%
4 99.3%

Today's available letters are:
# A C E F G K L O P Q S T V W X Z

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
[Anyway, Wayne, my point was that "onto" is the *perfect* word to be=20
using; it's the definition of surjection in the first place...]

Surjection

An Onto (Surjective) Map.
See also Bijection, Injection, Onto