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Distributed data stream management systems (DDSMS) are often used to analyze and process road network data streams. DDSMS are composed of upper layer relational query systems (RQS) and lower layer stream processing systems (SPS). DDSMS usually need to meet multiple query requests. This often converts RQS submitted by users into different quest tasks on SPS, and executes query plans on different nodes...
Spatio-textual similarity join is a basic and significant operation in many applications. It is an operation that finds all the similar pairs of objects which have similar textual descriptions and are spatially close to each other. With the popularity of GPS and their applications, the size of spatiotextual data is increasing explosively, while the existing methods cannot deal with the spatio-textual...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.