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N. Bruno, N. Koudas, and D. Srivastava, Holistic twig joins, Proceedings of the 2002 ACM SIGMOD international conference on Management of data , SIGMOD '02, p.310321, 2002.
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G. Gou and R. Chirkova, Efficient algorithms for evaluating xpath over streams, Proceedings of the 2007 ACM SIGMOD international conference on Management of data , SIGMOD '07, pp.269-280, 2007.
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