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内容説明 This book constitutes the refereed proceedings of the 4th International Conference on Distributed Computing and Internet Technology， ICDCIT 2007， held in Bangalore， India， in December 2007. The 13 revised full papers and 20 revised short papers presented together with 3 invited papers were carefully reviewed and selected from 170 submissions. Covering the main areas distributed computing， internet technology， system security， data mining， and software engineering the papers are subdivided in topical sections on network protocols， security and privacy， network management， network services， e-application engineering， e-application services， and e-applications.