Abstract
This paper describes the retrieval approaches used by UC Berkeley in our official submissions for the various Adhoc tasks. As in previous INEX evaluations, the main technique we are testing is the fusion of multiple probabilistic searches against different XML components using different probabilistic retrieval algorithms. In addition this year we began to use a different fusion/combination method from previous years. This year we also continued to use re-estimated Logistic Regression (LR) parameters for different components of the IEEE document collection, estimated using relevance judgements from the INEX 2003 evaluation. All of our runs were fully automatic with no manual editing or interactive submission of queries, and all used only the title elements of the INEX topics.
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Larson, R.R. (2006). Probabilistic Retrieval, Component Fusion and Blind Feedback for XML Retrieval. In: Fuhr, N., Lalmas, M., Malik, S., Kazai, G. (eds) Advances in XML Information Retrieval and Evaluation. INEX 2005. Lecture Notes in Computer Science, vol 3977. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-34963-1_17
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DOI: https://doi.org/10.1007/978-3-540-34963-1_17
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