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In view of the time synchronization problem of wireless sensor network (WSN), the paper presented a self-calibration time synchronization (SCTS) algorithm of WSN based on piecewise fitting, which used a synchronous communication and self-calibration combined mechanism. An improved delay measurement time synchronization (DMTS) algorithm was used to realize the synchronization process of nodes by communication...
Enormous commercial value brought by big data analysis promotes the vigorous development of big data analysis industry. Due to the difficulties existed in the modeling process, reusing existing analysis experiences becomes a good choice to find an optimal way from problem domain to solution domain efficiently. To help data analysts reuse previous experiences to elicit and model analysis requirements...
Social tagging has become a popular solution for recognition and management of resources in web2.0 era. To solve the current problem of insufficient capacity of semantic description of web services, a multi-dimensional social tagging method for semantics of web services is proposed. Under the guidance of general social tagging model, users will annotate services manually from the domain the services...
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