Learning to Learn Implicit Queries from Gaze Patterns

author: Kai Puolamäki, Finnish Institute of Occupational Health
published: Aug. 7, 2008,   recorded: July 2008,   views: 3203


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In the absence of explicit queries, an alternative is to try to infer users' interests from implicit feedback signals, such as clickstreams or eye tracking. The interests, formulated as an implicit query, can then be used in further searches. We formulate this task as a probabilistic model, which can be interpreted as a kind of transfer learning and meta-learning. The probabilistic model is demonstrated to outperform an earlier kernel-based method in a small-scale information retrieval task.

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