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Robertson, S. E.; Lu, W.; MacFarlane, A. (2006)
Publisher: Springer-Verlag
Languages: English
Types: Part of book or chapter of book
Subjects: Z665, QA75

Classified by OpenAIRE into

ACM Ref: InformationSystems_INFORMATIONSTORAGEANDRETRIEVAL, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING
We consider the retrieval of XML-structured documents, and of passages from such documents, defined as elements of the XML structure. These are considered from the point of view of passage retrieval, as a form of document retrieval. A retrievable unit (an element chosen as defining suitable passages for retrieval) is a textual document in its own right, but may inherit information from the other parts of the same document. Again, this inheritance is defined in terms of the XML structure. All retrievable units are mapped onto a common field structure, and the ranking function is a standard document retrieval function with a suitable field weighting. A small experiment to demonstrate the idea, using INEX data, is described.
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    • 1. Voorhees, E.M.: Overview of the TREC 2004 question answering track. In Voorhees, E.M., Buckland, L.P., eds.: The Thirteenth Text REtrieval Conference, TREC 2004. NIST Special Publication 500-261. Gaithersburg, MD: NIST (2005) 52-69
    • 2. Callan, J.: Passage-level evidence in document retrieval. In Croft, W.B., van Rijsbergen, C.J., eds.: SIGIR '94: Proceedings of the 17th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SpringerVerlag (1994) 302-310
    • 3. Robertson, S., Zaragoza, H., Taylor, M.: Simple BM25 extension to multiple weighted fields. In Evans, D.A., Gravano, L., Hertzog, O., Zhai, C.X., Ronthaler, M., eds.: CIKM 2004: Proceedings of the 13th ACM Conference on Information and Knowledge Management, New York, ACM Press (2004) 42-49
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