Temporal analysis of a very large topically categorized Web query log

Steven M. Beitzel, Eric C. Jensen, Abdur Chowdhury (), Ophir Frieder and David Grossman

Journal of the American Society for Information Science and Technology, 2007, vol. 58, issue 2, 166-178

Abstract: The authors review a log of billions of Web queries that constituted the total query traffic for a 6‐month period of a general‐purpose commercial Web search service. Previously, query logs were studied from a single, cumulative view. In contrast, this study builds on the authors' previous work, which showed changes in popularity and uniqueness of topically categorized queries across the hours in a day. To further their analysis, they examine query traffic on a daily, weekly, and monthly basis by matching it against lists of queries that have been topically precategorized by human editors. These lists represent 13% of the query traffic. They show that query traffic from particular topical categories differs both from the query stream as a whole and from other categories. Additionally, they show that certain categories of queries trend differently over varying periods. The authors key contribution is twofold: They outline a method for studying both the static and topical properties of a very large query log over varying periods, and they identify and examine topical trends that may provide valuable insight for improving both retrieval effectiveness and efficiency.

Date: 2007
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