[Talk-se] OpenStreetMap data to georeference Swedish texts

[Tomas Marklund]

Or, even IF there exists more than one intersetion between "xxx"-gatan and
"yyy"-vägen in sweden, the number of intersections is heavily reduced
compared to only all the "xxx-"gatan in Sweden.

/Tomas



2016-09-15 10:42 GMT+02:00 Pär Svensson <par.svensson at gmail.com>:

> Hello, really cool project!
>
> One thing that seems to be missing is an understanding of the concept of
> "korsningen bredgränd dragabrunnsgatan". Although there are several
> "Bredgränd" in Sweden, there are only one that crosses another street
> called "Dragabrunnsgatan", namely in Uppsala.
>
> Regards
> /Pär
>
>
>
> On Thu, Sep 15, 2016 at 9:05 AM, Thomas Fischer <thomas.fischer at his.se>
> wrote:
>
>> Hello,
>>
>> my name is Thomas Fischer and I am a researcher and teacher at the
>> University in Skövde (Högskolan i Skövde).
>>
>> In the past months, I have worked on a project that makes use of
>> OpenStreetMap data to geolocate/georeference text phases as found in
>> news paper articles or police reports. For example, if a news report
>> is about a traffic accident on E20 near Vårgårda, the software's
>> task is to identify the place were E20 passes closest to the city of
>> Vårgårda. Similarly, if the report talks about Skolgatan, the
>> software shall identify the right instance of a road of this name if
>> the report names the municipality in the same input text. The
>> software is designed specifically for Sweden (hierarchy of road
>> names and administrative structures) and the Swedish language (stop
>> words, for blacklisting certain terms, converting plural forms into
>> singular, ...).
>>
>> A demonstrator of the resulting software is available at
>>  http://fish.research.nsa.his.se:9876/
>>
>> The demonstrator's source code is available at GitHub:
>>  https://github.com/thomasfischer-his/pbflookup
>>
>> In my experience, the software is working already quite well. There
>> are two main limitations:
>> - Missing, inconsistent, or erroneous information in the underlying
>>   map data from OpenStreetMap (unfortunately)
>> - Lack of a deeper textual analysis: Words are extracted as is from
>>   the input text, so the word 'vara' (to be) and the city of Vara
>>   are indistinguishable.
>>
>> The software is written in C++, but care has been taken for code
>> quality by using static code checkers and tools like Coverity Scan
>> or Valgrind.
>> The project to develop this softwas was co-financed by
>> Internetstiftelsen
>>
>> I am contacting this mailing list for two reasons. First, I would
>> like to get some feedback such as error reports or ideas for
>> extensions.
>> Second, I would like to pursue this project further, so I am looking
>> for cooperation partners that can (financially) support the project.
>> Examples for cooperation partners can be app developers that want to
>> make use of the JSON/XML interface, news agencies or newspapers that
>> want to add the service of matching their articles to a map
>> location, or governmental, regional, or municipal agencies that want
>> to geolocate their own or citizens' reports (think of 112 calls or
>> citizens reporting broken street lights).
>>
>> So, if you have an existing contact at an organization that may be
>> interested, please forward this mail. If you personally interested
>> in a cooperation, you can contact me directly, of course.
>>
>> Greetings from Skövde, Sweden,
>> Thomas Fischer
>> https://www.his.se/fish
>>
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>>
>
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