[rules-users] Logic Problems & drools

Ellen Ning Zhao enzhao at gmail.com
Sat Aug 18 15:04:41 EDT 2007


have a look here:

http://ningning.org/blog2/?page_id=122

MarkA wrote:
> Are there examples online somewhere then?
>
> I just want a few more examples to examine really. That and find out how to
> run a drools app outside of eclipse without the noclassdefound error.
>
> I'll keep a look out on the list.
>
>
> Mark Proctor wrote:
>   
>> Ellen runs a little "logic club" Dr Gernot Starke one the last one, see 
>> mailing list archives for the problem. The winner gets to post the next 
>> puzzle, so stay tuned and win, so you can post your puzzle for people to 
>> try :) I believe that gernot will post the details of his solution to 
>> the blog soon.
>>
>> Mark
>> MarkA wrote:
>>     
>>> I am a big fan of the logic problem puzzles (the ones with the grids) and
>>> would like to play with drools to solve a few - just for a laugh and to
>>> see
>>> if it can be done. 
>>>
>>> I found a pretty simple one:
>>> ----------------------------
>>> Mrs. Robinson's 4th grade class took a field trip to the local zoo. The
>>> day
>>> was sunny and warm - a perfect day to spend at the zoo. The kids had a
>>> great
>>> time and the monkeys were voted the class favorite animal. The zoo had
>>> four
>>> monkeys - two males and two females. It was lunchtime for the monkeys and
>>> as
>>> the kids watched, each one ate a different fruit in their favorite
>>> resting
>>> place. Can you determine the name of each monkey, what kind of fruit each
>>> monkey ate, and where their favorite resting place was?
>>> 	1. Sam, who doesn't like bananas, likes sitting on the grass. 
>>> 	2. The monkey who sat on the rock ate the apple. The monkey who ate the
>>> pear didn't sit on the tree branch. 
>>> 	3. Anna sat by the stream but she didn't eat the pear. 
>>> 	4. Harriet didn't sit on the tree branch. Mike doesn't like oranges. 
>>> ---------------------
>>>
>>> But I can't get the logic working, has anyone done any other examples for
>>> drools (or maybe converted the monkey & banana or cannibal ones from
>>> CLIPS)?
>>>
>>> I have looked at the golf one in the examples but it's a bit simple. In
>>> that
>>> one it uses variables for each bit $bobsColour etc. and then uses those
>>> in
>>> later rules. I tried it with the one above but I kept needing to refer to
>>> a
>>> variable that I hadn't yet defined and I couldn't define it as it needed
>>> to
>>> refer to another one and so on...
>>>
>>> Many thanks,
>>>
>>> Mark.
>>>
>>>
>>>   
>>>       
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>>     
>
>   



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