<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, May 13, 2023 at 11:37 AM Steve Coast <<a href="mailto:steve@stevecoast.com">steve@stevecoast.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<div>Do we want to complete the map or not? That’s the question. If we do, then we can do so with a plan like this.</div></div></blockquote><div>I support Steve's idea that we should focus on the map.</div><div> </div><div>I would take it a step further and say that we want to produce a quality map, and part of quality is completeness of features. Quality also includes:</div><div>* Positional accuracy</div><div>* Accuracy of tagging</div><div>* Tagging that conforms to generally accepted standards within OSM (not an exact thing, but I think most of us could agree on a core set of tags).</div><div>* Completeness of tagging.</div><div>* Temporal accuracy (how recently was the data last reviewed)</div><div><br></div><div>If we are going to produce a quality map, we need to have some idea of how close, or far away, from that goal we are. As such we need more statistically robust studies of the quality of the map, and how it varies from place to place. Once we have that, we can take steps to address weak areas (both geographic areas, and areas of data shortfall). </div><div><br></div><div>The types of information in OSM is constantly expanding, and while that is very a good thing, we probably can't assess the accuracy of all feature types and all tags, but we could start with a core set.</div><div><br></div><div>Once we know the short fall, we can estimate the number of "active mappers" we need to close the gap. We can't know of sure, but we should be able to get a general idea[0]. I am guessing that it is a lot more than we have currently. How are we going to recruit, mentor, train, and retain all of the necessary mappers? </div><div><br></div><div>[0] <a href="https://en.wikipedia.org/wiki/Fermi_problem">https://en.wikipedia.org/wiki/Fermi_problem</a></div></div></div>