KRL

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KRL, aka knowledge representation language, is a programming language created in 1976 by Daniel G. Bobrow and Terry Winograd.

#1059on PLDB	47Years Old	90Users
1Books	0Papers	440Repos

KRL is a knowledge representation language, developed by Daniel G. Bobrow and Terry Winograd while at Xerox PARC and Stanford University, respectively. It is a frame-based language. Read more on Wikipedia...

KRL Wikipedia page
There are at least 440 KRL repos on GitHub
KRL first developed in Xerox PARC and Stanford University
file extensions for KRL include krl
The Google BigQuery Public Dataset GitHub snapshot shows 18 users using KRL in 30 repos on GitHub
KRL on HOPL
See also: (1 related languages)KUKA Robot Language
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Example from the web:

ruleset sample {
  meta {
    name "Hello World"
    description <<
Hello world
>>
    author "Phil Windley"
  }

  // just one rule
  rule hello {
    select when web pageview
    notify("Hello world!", "Just a note to say hello");
  }
}

Feature	Supported	Token	Example
Strings	✓	"	"Hello world"
Comments	✓		// A comment
Line Comments	✓	//	// A comment
Semantic Indentation	X

KRL - Programming language

Language features

Books about KRL from ISBNdb