Accepted Manuscript An Improved Algorithm for Mining Class Association Rules Using the Differ- ence of Obidsets Loan T.T. Nguyen, Ngoc Thanh Nguyen PII: S0957-4174(15)00007-X DOI: http://dx.doi.org/10.1016/j.eswa.2015.01.002 Reference: ESWA 9782 To appear in: Expert Systems with Applications Please cite this article as: Nguyen, L.T.T., Nguyen, N.T., An Improved Algorithm for Mining Class Association Rules Using the Difference of Obidsets, Expert Systems with Applications (2015), doi: http://dx.doi.org/10.1016/ j.eswa.2015.01.002 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.