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Subject: [OASIS Issue Tracker] (EMERGENCY-29) Single text field that summarizes multiple area descriptions

     [ https://issues.oasis-open.org/browse/EMERGENCY-29?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacob Westfall updated EMERGENCY-29:

    Labels: CAP Practices  (was: )

> Single text field that summarizes multiple area descriptions
> ------------------------------------------------------------
>                 Key: EMERGENCY-29
>                 URL: https://issues.oasis-open.org/browse/EMERGENCY-29
>             Project: OASIS Emergency Management TC
>          Issue Type: Improvement
>          Components: CAP 
>            Reporter: Steve Hakusa
>              Labels: CAP, Practices
> Extracted from https://issues.oasis-open.org/browse/EMERGENCY-10 after a discussion in the CAP-SC meeting on August 20.
> In the case a CAP message has multiple <area> blocks, it would be quite useful to define a single field that succinctly summarized all of the areas. 
> For example, we frequently see alerts with a long list of <area> blocks that correspond to existing political boundaries (zip codes, counties, warning zones) rather than defining the alertable area in a single polygon.  In these cases, each <area> block has an <areaDesc> that describes that area.  There is no field, then that summarizes the long list of areas to a single string.
> As an example, NWS creates a severe winter storm alert with 5 <area> blocks, each with a geocode of a county in or around Atlanta.  I'm looking for a single, optional field like
> <areaDesc>Atlanta Metro Area</areaDesc>
> or
> <areaDesc>Northern Georgia</areaDesc>
> It may be argued that CAP already supports what I'm looking for, if only NWS in this case used a single <area> block instead of 5.
> Art Botterell comments on https://issues.oasis-open.org/browse/EMERGENCY-10: 
> """
> By the same token, if the multiple areas can be described by a single label, they probably should be a single Area. In other words, I'm thinking we should look to help originators make better use the existing <areaDesc> field before asking them to populate another, potentially redundant element. 
> And of course having redundancy or semantic overlap among fields is almost always a bad thing in the structured-data context because it raises the problem of what to do if the two values conflict.
> """
> If that is the argument, then this issue becomes roughly the same as issue 10: What if a CAP author wants/needs to provide multiple granularities of area description (name *both* the counties and the metro area) in a single CAP alert?

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