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Aiming at the issues that customers know less parameters about the product, can not describe their customize product feature reasonably and accurately, research on individual product customization technology based on user and item double Fuzzy Clustering under the Internet. User-Item Matrices was double fuzzy clustered through the similarity about the user… (More)
From the perspective of teaching practical application, the principles and objectives of the design of multiwindow multimedia teaching platform are discussed. Based on C++ and software dynamic integration technology, the key technologies of multiwindow multimedia teaching platform implementation are presented and stated in detail.
To solve the problem that collaborative design concurrency control cannot adopt optimistic locking mechanism or traditional pessimistic locking mode, THP(Tentative Hold Protocol) is introduced into collaborative design concurrency control method on the basis of studying on it and its transaction model. And then, a conflict prevention method is proposed… (More)