Details
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        Type:
Monitor
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        Status: Closed
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            Priority:
 Major
                
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            Resolution: Done
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            Affects Version/s: None
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            Fix Version/s: 2021
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            Component/s: FIWARE-TECH-HELP
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            Labels:
 
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                        HD-Chapter:Data
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                        HD-Enabler:CEP
 
Description
Created question in FIWARE Q/A platform on 16-02-2016 at 18:02
Please, ANSWER this question AT https://stackoverflow.com/questions/35438731/proton-cep-how-to-count-distinct-instances-in-temporal-context
Question:
Proton CEP: How to count distinct instances in temporal context
Description:
I wish to count the number of distinct visitors to a store each half an hour.
I know I will need:
the temporal context (half an hour)
What kind of EPA should I create to count distinct visitor ids?
I suppose I will need an internal segmentation by visitorId?
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