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Plan-Based Semantic Enrichment of Event Streams
Published on Jul 30, 20142978 Views
Background knowledge about the application domain can be used in event processing in order to improve processing quality. The idea of semantic enrichment is to incorporate background knowledge into ev
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Chapter list
Plan-Based Semantic Enrichment of Event Streams00:00
Outline00:14
Motivation00:35
Event Stream01:21
Example: Semantic Event Processing01:52
Knowledge-based Event Processing02:58
Example of Complex Event Pattern03:52
Example: Event Pattern04:52
Semantic Enrichment of Event Streams05:34
Semantic Enrichment of Event Stream05:49
Example of Simple Star-Shape Pattern06:31
Example of SEQUENCE Event Pattern06:52
Processing Costs07:21
Planning of Event Enrichment08:48
Single Step Processing09:07
Multi-Step Event Processing09:49
Subgraph Generation11:15
Planning of Event Enrichment in Multi-Steps12:00
Evaluation - 113:44
Evaluation - 213:47
Evaluation - 314:59
Performance Comparison of Multi-Step Processing15:12
Saved Transmission Costs in Comparison to Single- Step Processing15:37
Average Latency16:03
Planning (AND Operator)16:33
Costs of Different Plans17:05
Conclusion & Future Work17:33
Thank You!18:34