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There is a growing interest in modeling Web searching behaviors using query log data. In this project, we identified some gaps in current research. We propose to model Web search behaviors along three dimensions: interactions, linguistic and cognitive behaviors. We propound Web search session as a vital important concept to study interactive behaviors using query logs. A high granular, comprehensive relational model is presented for data extraction and transformation along with strategies and methods for session identification. In addition, we developed an interactive Web tool for exploring different session thresholds. Our approach is based on the fact that data mining researchers do not always know all the hypotheses that the data can answer at the outset and the log data are diverse across environments due to the lack of standardization. This model maximizes transactional data inclusion, is flexible in handling data content, and can be extended easily to incorporate new hypotheses and new data elements as mining progresses.
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