1Madria S, Passi K, Bhowmick S. An XML Schema integration and query mechanism system[J].Data & Knowledge Engineering, 2008,65(2):266-303.
2Nguyena H Q, Taniar D, Rahayu J W, et al. Double-layered schema integration of heterogeneous XML sources[J].Journal of Systems and Software, 2011,84(1):63-76.
3Liu Jian, Zhang X X. Data integration in fuzzy XML documents[J].Information Sciences, 2014,280:82-97.
4Szymczak M, Zadrozny S, Bronselaer A, et al. Coreference detection in an XML Schema[J].Information Sciences, 2015,296:237-262.
5Kilpeainen P. Checking determinism of XML Schema content models in optimal time[J].Information Systems, 2011,36(3):596-617.
6Necasky M, Mlynkova I, Klimek J, et al. When conceptual model meets grammar: A dual approach to XML data modeling[J].Data & Knowledge Engineering, 2012,72:1-30.