Definition
In structured text retrieval, the relationship between text components may be used in ranking components relative to a given query.
Key Points
In a structured text document, there exists a relationship between the document components. In the context of XML retrieval, the relationships between elements are provided by the logical structure of the XML mark-up. An element, unless it is the root element (the document itself), has a parent element, which itself may have a parent element. Similarly, non-leaf elements have children elements, and so on. Considering relationships between elements appears to be beneficial for XML retrieval. For instance, in a collection of scientific articles, it is reasonable to assume that the “abstract” of an article is a better indicator of what the article is about than a “future work” section in the same article. The challenge in XML retrieval is what types of relationship should be considered, and how this information can be used to score...
Recommended Reading
Arvola P, Junkkari M, Kekäläinen J. Generalized contextualization method for XML information retrieval. In Proceedings ACM Conference on Information and Knowledge Management, 2005. p. 20–27.
Mass Y, Mandelbrod M. Component ranking and automatic query refinement for XML retrieval. In Advances in XML Information Retrieval and Evaluation, LNCS, vol. 3493, Springer, 2005. p. 73–84.
Sigurbjörnsson B, Kamps J, de Rijke M. An element-based approach to XML retrieval. In Proceedings 2nd International Workshop of the Initiative for the Evaluation of XML Retrieval, 2003, p. 19–26.
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Kamps, J., Lalmas, M. (2016). Relationships in Structured Text Retrieval. In: Liu, L., Özsu, M. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4899-7993-3_127-2
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DOI: https://doi.org/10.1007/978-1-4899-7993-3_127-2
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