[alicebot-general] Help about ALICE pattern matching

[mehri]

Look at the pandora tutorial at:

http://www.pandorabots.com/botmaster/en/tutorial?ch=1

That shows some concrete examples with graphs that
help out when looking at the pattern matching
algorithm.

> "Try all remaining
> suffixes of the input
> following "X" to see if one matches".

It states in the document that X is:
(a) an input starting with word "X"

So X is just a word that's part of the user's input.

So if you read as part of the algorithm:
----
Does the Nodemapper contain the key "_"? If so, search
the subgraph rooted at the child node linked by "_".
Try all remaining suffixes of the input following "X"
to see if one matches. If no match was found, try:
----

That means start with the first word following "_" and
continue.

If you find in your tree "_" you start with that and
continue with the rest of your user's input to see if
one matches a <pattern>.

For example if you had:

<category>
<pattern>_ how are you</pattern>
<template>
good
</template>
</category>

And the input was:

"Hello how are you"

You would start at "_" and try and match "how" then
"are" and finally "you" and spit out "good"

If the input was:

"Hello how are me"

It would start at "_" and try and match "how" then 
"are" but not match "me" to "you" and not match at
all.

It's difficult but read through it a few times and
it'll eventually gel.

--- musky <muskvar at gmail.com> wrote:

> 
> hello,
> 
> i am a bit confused as to how ALICE does her pattern
> matching.
> I went through the pattern matching page in
> alicebot.org where the matching
> process is compared to searching for a file in the
> file system,i did not
> understand what is meant by:"Try all remaining
> suffixes of the input
> following "X" to see if one matches".
> 
> can someone explain the matching will an example.
> 
> also why is alice's brain like a spiral.it says that
> the root itself is the
> spiral but isnt the root supposed to be just one
> node?
> 
> please help.
> 
> thank you in advance.
> 
> -- 
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> at Nabble.com.
> 
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