What is Harrison hashing, its applications in web search engines? What is Harrison hashing and what are its applications in web searching? 
Can some one give me some relevant information?    

Update:

I found it here , and is a part of M.Tech syllabus of a friend of mine. I need to explain him this concept and then see how it can be applied in web applications.
Many thanks for spending your precious time.
I think you are looking for Implementation of the Substring Test by Hashing by Malcolm C. Harrison. It describes a fast implementation, which determines if one string contains a specified substring. This technique is appropriate in searching of large static text files.

Also you can find in String Searching Algorithms By Graham A. Stephen.