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add documentation for the output files

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Nathan TeBlunthuis 2020-03-31 16:22:30 -07:00
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keywords/README.md
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@ -5,3 +5,10 @@ This code finds trending web searches related to the COVID-19 pandemic using Goo
We search the Wikidata API for entities in `src/wikidata_search.py` and then we make simple SPARQL queries in `src/wikidata_translations.py` to collect labels and aliases the entities. The labels come with language metadata. This seems to provide a decent initial list of relevant terms across multiple languages.
The output data lives at [covid19.communitydata.science](https://covid19.communitydata.science/datasets/keywords).
The output files have 4 colums:
- `itemid` links to the wikidata entity
- `label` is the translation of the relevant keyword
- `langcode` is the [iso 639-1](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes) code corresponding the language of the label.
- `is_alt` indicates whether the label is an [alias](https://www.wikidata.org/wiki/Help:Aliases).