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update documentation for new wikipedia data

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This commit is contained in:
Sarah Hoffmann
2019-11-01 10:07:04 +01:00
parent d1a9dc0f24
commit d53af96aa4
4 changed files with 25 additions and 18 deletions
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13
docs/admin/Import-and-Update.md
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@@ -33,7 +33,7 @@ the directory exists. There should be at least 40GB of free space.
## Downloading additional data
### Wikipedia rankings
### Wikipedia/Wikidata rankings
Wikipedia can be used as an optional auxiliary data source to help indicate
the importance of OSM features. Nominatim will work without this information
@@ -41,15 +41,14 @@ but it will improve the quality of the results if this is installed.
This data is available as a binary download:
cd $NOMINATIM_SOURCE_DIR/data
wget https://www.nominatim.org/data/wikipedia_article.sql.bin
wget https://www.nominatim.org/data/wikipedia_redirect.sql.bin
wget https://www.nominatim.org/data/wikimedia_importance.sql.gz
Combined the 2 files are around 1.5GB and add around 30GB to the install
The file is about 1GB and it adds around 10GB to the install
size of Nominatim. They also increase the install time by an hour or so.
*NOTE:* you'll need to download the Wikipedia rankings before performing
the initial import of the data if you want the rankings applied to the
loaded data.
*NOTE:* if you forgot to download the wikipedia rankings, you can also add
them after the import by running `./utils/setup.php --import-wikipedia-articles`
and then `./utils/update.php --recompute-importance`.
### Great Britain, USA postcodes