User-based advertisement
US8271328 Патенты
Methods and systems to modify the number and/or position ing of advertisements presented to a user based on that user's activity patterns (e.g., previous queries, query result selec tions, ad selections, etc.) and the order in which events con stituting the activity patterns occurred. For example, the methods and systems can be based on a Markov model uti lizing the user's activity patterns.
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