Am 10.03.2015 um 16:55 schrieb Markus Krötzsch:
Hi Serge,
The short answer to this is that the purpose of aliases in Wikidata is to help searching for items, and nothing more. Aliases may include nicknames that are in no way official, and abbreviations that are not valid if used in another context. Therefore, they seem to be a poor source of data to import into other projects.
Wikidata has properties such as birth name (https://www.wikidata.org/wiki/Property:P1477) that are used to provide properly sourced multi-lingual text data for items.
Note: Wikidata doesn't yet support multilingual property values, only "monolingual" (language + value). However, multiple statements about the respective property can be used to provide values in different languages. That's actually desirable in this case, since it allows different sources to be given for different languages.
For towns and streets, the best property to use would probably be "official name" https://www.wikidata.org/wiki/Property:P1448