Title	A DTD-Syntax-Tree Based XML file Modularization Browsing Technique
Author	Zhu Zhengyu, Changzhi Li, Yuan Gao
Citation	Vol. 6  No. 2  pp. 127~131
Keywords	DTD syntax tree, XML, Basic Content Module, Information Retrieval System.

Title	A Two Level TDMA Scheduling Protocol with Intra-cluster Coverage for Large Scale Wireless Sensor Network
Author	Haigang Gong, Ming Liu
Citation	Vol. 6  No. 2  pp. 77~84
Keywords	wireless sensor networks, media access control, TDMA, energy efficiency, Intra-cluster coverage

Title	DTD Level authorization in XML documents with usage control
Author	Lili Sun, Li
Citation	Vol. 6  No. 11  pp. 244-250
Keywords	XML documents, the Document Type Definition(DTD), Usage control, Authorization

Title	XML Schema in XML Documents with Usage Control
Author	Lili Sun, Yan Li
Citation	Vol. 7  No. 10  pp. 170-177
Keywords	XML documents, Document Type Definition(DTD), XML Schema, Usage control, Authorization