This article describes a system for knowledge-based information extraction from Web-documents, reading HTML and XML structured documents using logic inference and text categorization. The system uses a multimedia speech synthesizer, into windows environment. The users could be normal persons searching filtered information without paying his whole attention, display- disable readers or visually impaired persons. In the first stage, structured digital texts like public domain books (e-books) and translated to voice their heading, name of chapters, subdivisions, words key, and paragraphs of the text. The user personalizes his filters using keywords and the user can move inside the text through the paragraphs and listening his contents, This project mainly increases the availability of electronic-texts for persons with a reading handicap.
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