Narrowing the search

Anonymous Patron writes “Raul Valdes-Perez, CEO and co-founder of Vivisimo, has a piece over on CNET, Narrowing the search, on personalizing search. He says true search personalization has several inherent problems. People are not static, The surfing data used for personalizing search is weak, computers are often shared, and Queries tend to be too short to be useful.”