Fourteen question-answering systems which are more or less completely programmed and operating are described and reviewed. The systems range from a conversation machine to programs which make sentences about pictures and systems which translate from English into logical calculi. Systems are classified as data based, text based, and inferential. Principals and methods of operations are detailed and discussed. It is concluded that the data base question answerer has passed from initial research into the developmental phase. The most difficult and important research questions for the advancement of general purpose language processors are seen to be concerned with measuring meaning, dealing with ambiguities, translating into formal languages and searching large tree structures. (Author).It answers questions in English about the scores, teams, locations and dates of baseball games. The input questions are restricted to ... detail of its analysis of questions. Baseball is programmed in IPL and uses list structures to organize data.
|Title||:||Answering English questions by computer|
|Author||:||Robert F. Simmons|