Abstract
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. In this chapter, we present two kinds of join algorithms: XML structural join and XML holistic twig pattern processing. The structural join decomposes twig pattern into many binary relationships, which can be either parent–child or ancestor–descendant relationships, while holistic twig join processes the twig pattern as a whole, which has been proved more efficient. In addition, we showed two new streaming schemes: Tag+level scheme and Prefix-Path Streaming, which can provide optimal solutions for a larger class of twig patterns.
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References
Al-khalifa, S., Jagadish, H.V., Patel, J.M., Wu, Y., Koudas, N., Srivastava, D.: Structural joins: a primitive for efficient XML query pattern matching. In: Proceedings of the 20th International Conference on Data Engineering, San Jose, pp. 141–152 (2002)
Bremer, J.M., Gertz, M.: An efficient XML node identification and indexing scheme. Technical Report CSE-2003-04, University of California at Davis (2003)
Bruno, N., Koudas, N., Srivastava, D.: Holistic twig joins: optimal XML pattern matching. Technical Report, Columbia University (2002)
Carey, M.J., Dewitt, D.J., Franklin, M.J., Hall, N.E., Mcauliffe, M.L., Naughton, J.F., Schuh, D.T., SolomoN, M.H., Tan, C.K., Tsatalos, O.G., White, S.J., Zwilling, M.J.: Shoring up persistent applications. In: Proceedings of SIGMOD (1994)
Chen, T. Ling, T.W., Chan, C.Y.: Prefix path streaming: a new clustering method for optimal XML twig pattern matching. In: Proceedings of DEXA 2004, Zaragoza, pp. 801--811 (2004)
Chen, T., Lu, J., Ling, T.W.: On boosting holism in XML twig pattern matching using structural indexing techniques. In: Proceeding of the ACM SIGMOD International Conference on Management of Data, Baltimore (2005)
Chen, Q., Lim, A., Ong, K.W.: D(k)-index: an adaptive structural summary for graph-structured data. In: Proceedings of the ACM SIGMOD International Conference on Management of Data, San Diego, pp. 134--144 (2003)
He, H., Yang, J.: Multiresolution indexing of XML for frequent queries. In: Proceedings of ICDE 2004, Boston, pp. 683--694 (2004)
Kaushik, R., Bohannon, P., Naughton, J.F., Korth, H.F.: Covering indexes for branching path queries. In: Proceedings of SIGMOD 2002, Madison (2002)
Kaushik, R., Shenoy, P., Bohannon, P., Gudes, E.: Exploiting local similarity for efficient indexing of paths in graph structured data. In: Proceedings of ICDE 2002, San Jose, pp. 129--140 (2002)
Lu, J., Chen, T., Ling, T.W.: Efficient processing of XML twig patterns with parent child edges: a look-ahead approach. In: CIKM, Washington, DC, pp. 533–542 (2004)
Lu, J., Ling, T.W., Chan, C., Chen, T.: From region encoding to extended Dewey: on efficient processing of XML twig pattern matching. In: Proceedings of 31th International Conference on Very Large Data Bases (VLDB), Trondheim, pp. 193–204 (2005)
Li, Q., Moon, B.: Indexing and querying XML data for regular path expressions. In: Proceedings of the 27th VLDB Conference, Rome, pp. 361–370, Sept 2001
Milo, T., Suciu, D.: Index structures for path expressions. In: Proceedings of ICDT 99, Jerusalem, pp. 277–295 (1999)
Tatarinov, I., Viglas, S., Beyer, K.S., Shanmugasundaram, J., Shekita, E.J., Zhang, C.: Storing and querying ordered XML using a relational database system. In: Proceedings of the ACM SIGMOD International Conference on Management of Data, Madison, pp. 204–215 (2002)
Wu, X., Lee, M., Hsu, W.: A prime number labeling scheme for dynamic ordered XML trees. In: Proceeding of ICDE, Boston, pp. 66–78 (2004)
Zhang, C., Naughton, J.F., Dewitt, D.J., Luo, Q, Lohman, G.M.: On supporting containment queries in relational database management systems. In: Proceedings of the ACM SIGMOD International Conference on Management of Data, Santa Barbara, pp. 425–436 (2001)
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© 2013 Tsinghua University Press, Beijing and Springer-Verlag Berlin Heidelberg
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Lu, J. (2013). XML Tree Pattern Processing. In: An Introduction to XML Query Processing and Keyword Search. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-34555-5_4
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DOI: https://doi.org/10.1007/978-3-642-34555-5_4
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