Azuraliza Abu Bakar Md Nasir Sulaiman Mohamed Othman Mohd Hasan Selamat IP algorithms in compact rough classification modeling. 419-429 2001 5 Intell. Data Anal. 5 http://iospress.metapress.com/openurl.asp?genre=article&issn=1088-467X&volume=5&issue=5&spage=419 db/journals/ida/ida5.html#BakarSOS01