| tool,0-2-J82-3002,ak | This paper gives an overall account of a prototype <term> natural language question answering system </term> , called <term> Chat-80 </term> . <term> Chat-80 </term> has been designed to be both efficient and easily adaptable to a variety of applications . | #14143 This paper gives an overall account of a prototype natural language question answering system, called Chat-80. Chat-80 has been designed to be both efficient and easily adaptable to a variety of applications. | |
| tech,1-3-J82-3002,ak | The <term> system </term> is implemented entirely in <term> Prolog </term> , a <term> programming language </term> based on <term> logic </term> . | #14161 The system is implemented entirely in Prolog, a programming language based on logic. | |
| other,13-3-J82-3002,ak | The <term> system </term> is implemented entirely in <term> Prolog </term> , a <term> programming language </term> based on <term> logic </term> . | #14173 The system is implemented entirely in Prolog, a programming language based on logic . | |
| tool,12-4-J82-3002,ak | With the aid of a <term> logic-based grammar formalism </term> called <term> extraposition grammars </term> , <term> Chat-80 </term> translates English questions into the <term> Prolog subset of logic </term> . | #14187 With the aid of a logic-based grammar formalism called extraposition grammars, Chat-80 translates English questions into the Prolog subset of logic. |
