Search for: [Subject and Keywords = systemy informacyjne] OR [Subject and Keywords = analiza danych] OR [Subject and Keywords = teoria zbiorów przybliżonych] OR [Subject and Keywords = zbiory przyblizone] OR [Subject and Keywords = logika matematyczna] OR [Title = A primer on rough sets\: A new approach to drawing conclusions from data] OR [Creator = Pawlak, Zdzisław]