An implicit links enhancement system and method for search engines that
generates implicit links obtained from mining user access logs to
facilitate enhanced local searching of web sites and intranets. The
implicit links search enhancement system and method includes extracting
implicit links by mining users' access patterns and then using a modified
link analysis algorithm to re-rank search results obtained from
traditional search engines. More specifically, the implicit links search
enhancement method includes extracting implicit links from a user access
log, generating an implicit links graph from the extracted implicit
links, and computing page rankings using the implicit links graph. The
implicit links are extracted from the log using a two-item sequential
pattern mining technique. Search results obtained from a search engine
are re-ranked based on an implicit links analysis performed using an
updated implicit links graph, a modified re-ranking formula, and at least
one re-ranking technique.