TY - BOOK AU - Pawlak, Zdzislaw TI - Rough sets: theoretical aspects of reasoning about data SN - 9789401055642 (hbk) U1 - 006.3 PY - 1991/// CY - America PB - Springer science+Business media KW - Artificial intelligence KW - Information theory KW - knowledge representation KW - Numerical analysis KW - Data processing KW - Set theory KW - FC N1 - Includes bibliographical references and index ER -