K-Praxis - Topic: Search Technologies - Kaltix Outride G...     http://www.k-praxis.com/archives/search_technologies/kaltix_...     tags: kaltix outride google An Analytical Comparison of Approaches to Personalizing Page...     http://citeseer.ist.psu.edu/cache/papers/cs/27668/http:zSzzS...     tags: pagerank kaltix