This is the long paper, published at ACM/SIGIR 97.
Marti Hearst and Chandu Karadi, Cat-a-Cone: An Interactive Interface for Specifying Searches and Viewing Retrieval Results using a Large Category Hierarchy Proceedings of the 20th Annual International ACM/SIGIR Conference Philadelphia, PA, July 1997, to appear. postscript (7.8M) html
Appendix to SIGIR 97 Paper
The SIGIR 97 paper was space-constrained, and so this appendix contains additional figures and captions designed to help explain the ideas more thoroughly.
Unpublished Appendix to Cat-a-Cone: An Interactive Interface for Specifying Searches and Viewing Retrieval Results using a Large Category Hierarchy. html
This was published in ACM CHI's ``late-breaking'' paper category. Therefore, it is a two-page introduction to the longer page, and is not considered archive material by CHI.
Marti Hearst and Chandu Karadi, Searching and Browsing Text Collections with Large Category Hierarchies , Proceedings of the ACM SIGCHI Conference on Human Factors in Computing Systems (CHI), Conference Companion, Atlanta, GA, March 1997. postscript (6.5M) html