I can't find any confirmation but I'm pretty cure 20q.net is NOT a nueral net. There is no need for it to be. Basicaly it breaks down to this. You have a set of objects and a set of questions. For each object you have 1 or more questions (more = better) that you know the answers to. Start with a random question (hopefully one that divides the rest of your items in half). Then continue to ask questions that divide the rest of your items in half (half say yes and half say no). You should reach the bottum of your tree and be left with the item that the user is guessing. There are some finer points since some items wont have answers to all questions. Obviously though the more questions and items/answers you have the smarter your system seems. I've programmed one of these in the past and they are quite fun and seem quite intellegent.

---

---

Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!

Titles consisting of a single word are discouraged, and in most cases are disallowed outright.

Read Where should I post X? if you're not absolutely sure you're posting in the right place.

Please read these before you post! —

• How do I compose an effective node title?
• How do I post a question effectively?
• Markup in the Monastery

Posts may use any of the Perl Monks Approved HTML tags:

a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr

You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)

	For:		Use:
	&		&
	<		&lt;
	>		&gt;
	[		&#91;
	]		&#93;

Link using PerlMonks shortcuts! What shortcuts can I use for linking?

See Writeup Formatting Tips and other pages linked from there for more info.