25 Jan 2007
Towards Efficient and Scalable Memory-based Collaborative Filtering
Speaker: TAM Ming Wai
Abstract
It is common for one looking for interesting information, but the task is not
easy as there is great amount of information. Some domains, such as movies, rely
on professional reviewers. This solution is clearly not good enough, since the
taste and interest are different among people. Memory-based Collaborative
Filtering is popular in personalized preference prediction, which is aimed at
the above application. However, the efficiency of Memory-based CF is low, which
is a problem in large database. Alternatives to Memory-based CF suffer from
other overhead. This talk will give an overview on CF, present a solution given
in a SIGIR2002 paper, and outline some possible further improvement to the CF
algorithm.
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