On incomplete conjunctive information
نویسندگان
چکیده
منابع مشابه
Answering Arbitrary Conjunctive Queries over Incomplete Data Stream Histories
Streams of data often originate from many distributed sources. A user wanting to query the streams should not need to know from where each stream originates but should be provided with a global view of the streams. R-GMA is a system that integrates distributed data streams to provide a global view of all the streams for users to query. R-GMA has been developed as a grid information and monitori...
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ژورنال
عنوان ژورنال: International Journal of Approximate Reasoning
سال: 1988
ISSN: 0888-613X
DOI: 10.1016/0888-613x(88)90075-8