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Proceedings of the sixth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems ,
3
Perspectives in deductive databases (Abstract only):
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Papers presented at the May 3-5, 1960, western joint IRE-AIEE-ACM computer conference ,
11
A multi-level file structure for information processing:
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Proceedings of the 6th ACM Conference on Conversational User Interfaces ,
15