Computer Aided Processing for Natural Language - PIAF System.
Introduction A set of programs oriented to natural language pro cessing have been designed and implemented. These programs were first applied to French language analysis and led to creation of the PIAF system (Programmes Interactifs dfAnalyse du Fran§ais). Some applications are operational mainly in automatic information retrieval where the PIAF system performs two tasks in parallel: 1. Data acquisition and control, 2. Production of simple or compound key words. Following a request from the Centre National des Arts et Metiers, we have developed the contracted braille transla tion and editing of French texts with respect to typo graphic codes from programs and basic algorithms of the PIAF system. General Principles of the PIAF System We propose to the average user a set of tools to define and handle textual datas, under the control of an editor: i) The definition tools are facilities to create and perform interactive updating of the dictionaries and models of the selec...