Details
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        Type:
Monitor
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        Status: Closed
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            Priority:
 Major
                
             - 
            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?
Activity
| Field | Original Value | New Value | 
|---|---|---|
| Component/s | FIWARE-TECH-HELP [ 10278 ] | 
| Status | Open [ 1 ] | In Progress [ 3 ] | 
| Status | In Progress [ 3 ] | Answered [ 10104 ] | 
| Labels | fiware | fiware fiware-cep | 
| Assignee | Uri Shani [ urishani ] | 
| Resolution | Done [ 10000 ] | |
| Status | Answered [ 10104 ] | Closed [ 6 ] | 
| HD-Enabler | CEP [ 10869 ] | |
| HD-Chapter | Data [ 10838 ] | 
| Fix Version/s | 2021 [ 12600 ] | 
| Transition | Time In Source Status | Execution Times | Last Executer | Last Execution Date | |||||
|---|---|---|---|---|---|---|---|---|---|
		    	
  | 
			2h 57m | 1 | Backlog Manager | 22/May/17 6:05 PM | |||||
		    	
  | 
			2h 59m | 1 | Backlog Manager | 22/May/17 9:05 PM | |||||
		    	
  | 
			6d 14h 38m | 1 | José Ignacio Carretero Guarde | 29/May/17 11:44 AM | 
2017-05-22 15:09|CREATED monitor | # answers= 2, accepted answer= False