SPONSORS Interested in sponsoring CiteSeer? Contact

CiteSeer(Docs) Google(Docs) Citations Acknowledgements Search for CiteSeer content using Google Try CiteSeerX, now public! Mirrors of CiteSeer are available at the following locations: U. of Kansas    MIT    U. of Zürich    National U. of Singapore Submit Documents | Statistics | Help | CiteSeer Metadata | Announcements Copyright NEC and Penn State | Privacy Policy | About | Feedback Searching 767,558 documents. Hosted by Penn State's College of Information Sciences and Technology