Abstract
Most digital library resources and the Web more generally are dynamic and ever-changing collections of information. However, most of the tools that have been developed for interacting with Web and DL content, such as browsers and search engines, focus on a single static snapshot of the information. In this talk, I will present analyses of how web content changes over time, how people re-visit web pages over time, and how re-visitation patterns are influenced by user intent and changes in content. These results have implications for many aspects of search including crawling, ranking algorithms, result presentation and evaluation. I will describe a prototype that supports people in understanding how information they interact with changes over time, by highlighting what content has changed since their last visit. Finally, I will describe a new retrieval model that represents features about the temporal evolution of content to inform crawl policy and improve ranking.
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© 2010 Springer-Verlag Berlin Heidelberg
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Dumais, S. (2010). Keynote: The Web Changes Everything: Understanding and Supporting People in Dynamic Information Environments. In: Lalmas, M., Jose, J., Rauber, A., Sebastiani, F., Frommholz, I. (eds) Research and Advanced Technology for Digital Libraries. ECDL 2010. Lecture Notes in Computer Science, vol 6273. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15464-5_1
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DOI: https://doi.org/10.1007/978-3-642-15464-5_1
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-15463-8
Online ISBN: 978-3-642-15464-5
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