October 1, 2014

Definition of "Event" for Event Processing

I collected some definitions of event from the view of event processing research and practise. The emphasis is mine: (Etzion & Niblett 2010) 1 wrote: An event is an occurrence within a particular …

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October 1, 2014

Immutability and Event Derivation in RDF

“In many event processing systems […] events are immutable” 1. This stems from the definition of what an event is: “An event is an occurrence within a particular system or …

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October 1, 2014

Stream Punctuation and RDF Stream Processing

Definition by Tucker et al. 1 and Maier et al. 2: ‘‘A punctuation is a pattern p inserted into the data stream with the meaning that no data item i matching p will occur further on in the …

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December 8, 2013

Highlights from Research Project PLAY

My research project PLAY has had its final review meeting on Tuesday, November 26th, 2013. Notable highlights from the project are: Use of open Web Standards for event modelling, pattern modelling, …

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January 12, 2012

Tutorial on Complex Event Processing

I gave a tutorial about Complex Event Processing and more specifically the PLAY semantic event format and query language at the Winter School on Knowledge Technologies for Complex Business …

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