SWI-Prolog Did You Know Did you know? SWI-Prolog has a Natural Language Processing (NLP) library Search Documentation:
Login to www.swi-prolog.org

Actions such as rating, commenting and tagging requires you to be signed in. We use OpenID. Currently, we accept any OpenID provider. Tested with Google, Yahoo, StackExchange using the url https://openid.stackexchange.com/%user%

After logging in for the first time, we will ask for some additional information. All information is optional.