[OSM-talk] Recent spikes in the use of road key

[Mateusz Konieczny]

Note that with so such rarely used key a manual edit without any mass editing
or imports can generate spikes on such graph.

Adding 100 or 300 ways in one manual edit is not unusual or suspicious. 

Mar 3, 2021, 18:47 by bert.araali.afritastic at gmail.com:

>
> Taginfo link for chronology: > https://taginfo.openstreetmap.org/keys/road#chronology
>
> On 03/03/2021 20:33, Bert -Araali- Van      Opstal wrote:
>
>>
>> Just the key "road=*", search for road in          Taginfo tab KEY.
>>  In Taginfo I searched for the key, got a long list with all          kinds of keys containing the word "road", then selected just          "road" from the list returned by taginfo.
>>
>> If you go to chronology tab you see the          spikes very clearly.
>>
>>
>> Greetings,
>>
>>
>> Bert Araali
>>
>> On 03/03/2021 20:23, Pierre Béland        wrote:
>>
>>> Hi Bert,
>>>
>>> please, give us more              details about the tags you spotted in taginfo as not              valid, not using the highway key.
>>>
>>> From there, it should be              easy for us to propose an Overpass query.
>>>
>>>  
>>>  >>> Pierre 
>>>
>>> Le mercredi 3 mars 2021 12 h 18 min 37 s UTC−5, Bert              -Araali- Van Opstal >>> <bert.araali.afritastic at gmail.com> <mailto:bert.araali.afritastic at gmail.com>>>>  a écrit :
>>>
>>>
>>>
>>> Dear all,
>>>
>>>
>>> I was recently working on some                      local proposals and, through taginfo, saw some                      recent spikes in the use of the non approved and                      discouraged use of the road key (should be                      highway).
>>>  The spikes, due to their amount and short                      time-frame in which they appear seem to be                      indicating unnoticed mass or automated edits.
>>>  Do they need closer attention / investigation and                      action to revert ?
>>>
>>> 1. Jan 2017 - spike of +-500,                      seems to be reverted by +-300 by Mar 2017
>>>  2. Mar 2019 - spike of +-400, not reverted
>>>  3. Sep/Okt 2020 to Feb 2021 - spike of +-800, not                      reverted and continuing at a worrying rate
>>>
>>> These 3 spikes together make                      up 3/4 of the total use cases of the road key.
>>>
>>>
>>> Would appreciate some help                      with taginfo / overpass trubo / other tools to get                      more insight on the phenomena.
>>>
>>>
>>> Greetings,
>>>
>>>
>>> Bert Araali
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>>  talk mailing list
>>>  >>> talk at openstreetmap.org
>>>  >>> https://lists.openstreetmap.org/listinfo/talk
>>>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/talk/attachments/20210303/d37de7c1/attachment.htm>