Time/Space Aware Event Correlation

نویسنده

  • Eiko Yoneki
چکیده

We envision event correlation in a publish/subscribe system becoming important. A publish/subscribe system may offer content-based filtering, which allows subscribers to declare their interests in the attribute values of events using a flexible subscription language, while event correlation addresses the relationships among event instances of different event types. Especially with a dramatic increase in the event monitoring capabilities of wireless devices and sensors, selective data dissemination in publish/subscribe systems requires more complex temporal and spatial resolution in event correlation. Sensor technology enables monitoring of the environment that may trigger the operation of subsequent services. An example of such a subscription is ‘Notify’ the products in the store that become on sale with 30% discount price within 50 minutes after the total number of customers in the store reaches 120. This subscription may aBsTRaCT

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تاریخ انتشار 2010