i just discovered data errors for negative (western) longitude geo locations on de.dbpedia.org.
western longitude is indicated by negative numbers however the negative sign seems to be missing on many dbpedia entries for de. Values are correct for dbpedia.org
(sorry had to change link host names because direct linking not allowed in post)
de_dbpedia_org /page/Los_Angeles (incorrect)
dbpedia_org/ page/Los_Angeles (correct)
de_dbpedia_org /page/San_Francisco (incorrect)
dbpedia_org /page/San_Francisco (correct)
de_dbpedia_org /page/Hawaii (incorrect)
dbpedia_org /page/Hawaii (correct)
de_dbpedia_org /page/Idaho (incorrect)
This looks like a systematic problem, however there are also correct entries:
These are just some random examples i came across, guess it should be possible to find out the real scale of this problem with a sparql query?