Abstract
Element-centered XML summaries collect statistical information for document nodes and their axes relationships and aggregate them separately for each distinct element/attribute name. They have already partially proven their superiority in quality, space consumption, and evaluation performance. This kind of inversion seems to have more service capability than conventional approaches. Therefore, we refined and extended element-centered XML summaries to capture more statistical information and propose new estimation methods. We tested our ideas on a set of documents with largely varying characteristics.
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References
Aboulnaga, A., Alameldeen, A.R., Naughton, J.F.: Estimating the selectivity of xml path expressions for internet scale applications. In: Proc. VLDB Conference, pp. 591–600 (2001)
Aguiar Moraes Filho, J.d., Härder, T.: Tailor-made xml synopses. In: Proc. BalticDB&IS Conference, pp. 25–36 (2008)
Freire, J., Haritsa, J.R., Ramanath, M., Roy, P., Siméon, J.: Statix: making xml count. In: SIGMOD Conference, pp. 181–191 (2002)
Lim, L., Wang, M., Padmanabhan, S., Vitter, J.S., Parr, R.: Xpathlearner: An on-line self-tuning markov histogram for xml path selectivity estimation. In: Proc. VLDB Conference, pp. 442–453 (2002)
Polyzotis, N., Garofalakis, M.N.: Xsketch synopses for xml data graphs. ACM Trans. Database Syst. 31(3), 1014–1063 (2006)
Wang, W., Jiang, H., Lu, H., Yu, J.X.: Bloom histogram: Path selectivity estimation for xml data with updates. In: Proc. VLDB Conference, pp. 240–251 (2004)
Zhang, N., Özsu, M.T., Aboulnaga, A., Ilyas, I.F.: XSeed: Accurate and fast cardinality estimation for xpath queries. In: Proc. ICDE Conference, p. 61 (2006)
Aguiar Moraes Filho, J.d., Härder, T.: EXsum—an xml summarization framework. In: Proc. IDEAS Symposium, pp. 139–148 (2008)
Haustein, M.P., Härder, T.: An efficient infrastructure for native transactional xml processing. Data Knowl. Eng. 61(3), 500–523 (2007)
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de Aguiar Moraes Filho, J., Härder, T., Sauer, C. (2009). Enhanced Statistics for Element-Centered XML Summaries. In: Ślęzak, D., Kim, Th., Zhang, Y., Ma, J., Chung, Ki. (eds) Database Theory and Application. DTA 2009. Communications in Computer and Information Science, vol 64. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10583-8_13
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DOI: https://doi.org/10.1007/978-3-642-10583-8_13
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