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Prolog Coding Horror

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Re: Prolog Coding Horror

#3

Post by appil »

What do people use Prolog for in the real world? I learned about it on a university course and it seems so esoteric compared to other things on the course. Like something invented just for computer scientists to enjoy.

Re: Prolog Coding Horror

#4

Post by christophilus »

appil wrote: post #3

What do people use Prolog for in the real world? I learned about it on a university course and it seems so esoteric compared to other things on the course. Like something invented just for computer scientists to enjoy.

Dunno about Prolog, but Datomic uses datalog for its query language, and it’s excellent. Datalog is a subset of Prolog.

Re: Prolog Coding Horror

#5

Post by radomir_cernoch »

appil wrote: post #3

What do people use Prolog for in the real world? I learned about it on a university course and it seems so esoteric compared to other things on the course. Like something invented just for computer scientists to enjoy.

Some applications were discussed in https://news.ycombinator.com/item?id=40994552

Re: Prolog Coding Horror

#7

Post by [deleted] »

appil wrote: post #3

What do people use Prolog for in the real world? I learned about it on a university course and it seems so esoteric compared to other things on the course. Like something invented just for computer scientists to enjoy.

[deleted]

Re: Prolog Coding Horror

#8

Post by rtpg »

There's something quite illuminating with this first "horror", where they basically say "it's OK to report wrong answers, because you can check the answers".

I don't think I've ever felt like it's OK for my program to provide a list of answers where some are right and some are wrong, but reading this... and generally believing in P != NP.... maybe that's a decent way of looking at some stuff!

Re: Prolog Coding Horror

#9

Post by ted_dunning »

christophilus wrote: post #4
appil wrote: post #3

What do people use Prolog for in the real world? I learned about it on a university course and it seems so esoteric compared to other things on the course. Like something invented just for computer scientists to enjoy.

Dunno about Prolog, but Datomic uses datalog for its query language, and it’s excellent. Datalog is a subset of Prolog.

Datalog may appear to be a subset, but it is quite distinct semantically.

Re: Prolog Coding Horror

#10

Post by raffael_de »

christophilus wrote: post #4
appil wrote: post #3

What do people use Prolog for in the real world? I learned about it on a university course and it seems so esoteric compared to other things on the course. Like something invented just for computer scientists to enjoy.

Dunno about Prolog, but Datomic uses datalog for its query language, and it’s excellent. Datalog is a subset of Prolog.

What is Datalog used for nowadays?
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