نتایج جستجو برای: bitemporal flap
تعداد نتایج: 19425 فیلتر نتایج به سال:
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Background: Finger tip injuries are one of the most common types of injury. Destruction of the skin in this area leads to destruction of sensory receptors. As hand function is closely related to sensibility of the finger tips, selecting the best procedure of reconstruction that provides the highest degree of sensation is very important. As V-Y Flap and neurovascular Island flap are more common ...
Temporal databases provide built-in supports for efficient recording and querying of time-evolving data. In this paper, data clustering issues in temporal database environment are addressed. Data clustering is one of the most effective techniques that can improve performance of a database system. However, data clustering methods for conventional databases do not perform well in temporal databas...
We present a new approach to implement an object bitempo-ral database where both valid-time and transaction-time are represented. It is based on the DataBase Version model, which allows an eecient management of object versions. This facilitates the manipulation of past events and allows a straightforward representation of branching evolution in valid-time.
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