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I have been noticing frequent address searches that do not give a satisfactory answer. Example: "Harris Place, Seaton, SA, Australia" the street appears to exist and is labelled on the map but does not return a result in the search. In face searching any street name within Seaton seems to return a negative search result, even the main roads bordering it. The only time I get a result is by limiting the search to the suburb name "seaton, sa" (and state, etc.) only. Is the database of these names not being indexed or cataloged properly for searching? I do not understand why the search nominated above gives partially matching results for other states when I have clearly nominated the state. For example, I am given >40,000 finds which link to places like "Seaton Road, Highett, VIC". If seaton is a known suburb name, why does it become a street name in the search results? The problem I have with this is that giving more than 10 or 20 search result options is pointless because you cannot possibly check through a list that long. I don't understand why they are all obviously nowhere near the intended search but showing up as a search result. |
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In the examples you have given you are using codes for Australian states. I am not aware of Nominatim having the ability to recognise such codes (or indeed those for US states). Searching for "Harris Place, Seaton" returns an immediate result, as does "Harris Place, South Australia". I therefore suspect that adding state codes is throwing the Nominatim search. There are a number of reasons why Nominatim does not try to match such codes:
Additionally, Nominatim is aimed at finding short search terms rather than full address strings. It is rare for OSM data to contain full address information and often this is derived from boundary and other geographical information in OSM (often with problems when boundaries are accidentally broken or place information is inconsistently or incompletely mapped, see other questions on this site related to Nominatim). Thanks for the explanation. That helps me out a lot and and answers my queries perfectly.
(30 Aug '11, 01:05)
wbdeejay
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