Event prediction using hierarchical event features
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United States of America Patent
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Sep 9, 2014
Grant Date -
Jan 3, 2013
app pub date -
Sep 10, 2012
filing date -
Jun 17, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Event prediction using hierarchical event features is described. In an embodiment a search engine monitors search results presented to users and whether users click on those search results. For example, features describing the search result events are universal resource locator prefix levels which are inherently hierarchically related. In an embodiment a graphical data structure is created and stored and used to represent the hierarchical relationships between features. An online training process is used in examples which enables knowledge to be propagated through the graphical data structure according to the hierarchical relations between features. In an example, the graphical data structure is used to predict whether a user will click on a search result and those predictions are used by the search engine to rank search results for future searches. In another example the events are advertisement impressions and the predictions are used by an online advertisement system.
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