Kaiwen Zhang

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—Top-k filtering is an effective way of reducing the amount of data sent to subscribers in pub/sub applications. In this paper, we investigate top-k subscription filtering, where a publication is delivered only to the k best ranked subscribers. The naive approach to perform filtering early at the publisher edge broker works only if complete knowledge of the(More)
Massively multiplayer online games (MMOGs), which are typically supported by large distributed systems, require a scalable, low latency messaging middleware that supports the location-based semantics and the loosely coupled interaction of multiplayer games components. In this experimentation paper, we present three different pub/sub-driven designs for a(More)
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