Not quite the average: An empirical study of Web use
ACM Transactions on the Web (TWEB)
Standard parameters for searching behaviour in search engines and their empirical evaluation
Journal of Information Science
What users see - Structures in search engine results pages
Information Sciences: an International Journal
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Web information systems are the most popular service for online users to retrieve data (pages, images, or files) on the internet. In order to get a more profound insight into the method and the target of web searches, we have tracked the queries that have been entered at the Lycos search engine over several months. The analysis of this vast amount of empirical data provides us with a deeper understanding of online users' behavior. In this paper, we focus on time-dependency in the usage of terms. Furthermore, we use aspects from the human online information processing in search engines and from topic detection in documents to discuss a general classification of terms. As a result, we find timedependent clusters of (search) terms around particular subjects. Based on these findings, strategies for the design of search engines and web pages which focus on the (information) consumer will be developed. The basic classification which is presented in this paper can also be leveraged as an indication of the adequacy of mathematical models for simulating the usage of termsover time. time.