As per the ACM's Rights and Responsibilities in ACM Publishing, copies of my papers published in ACM publications are made available in electronic form at this Web site. ACM's policy says:

ACM's copyright notice says, `` ACM COPYRIGHT NOTICE. Copyright © YEAR by the Association for Computing Machinery, Inc. Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, to republish, to post on servers, or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from Publications Dept., ACM, Inc., fax +1 (212) 869-0481, or permissions@acm.org.

The ACM copyright notice must be displayed on the first page or initial screen of a display of all works copyrighted by ACM, whether those works are published in print or in a digital medium. It is acceptable to place the string ``© Copyright YEAR by ACM, Inc.'' as a hypertext link to the full copyright notice in digital media, . http://www.acm.org/pubs/copyright_policy/#Notice.