Hoi,
The standard for the identification of a language should suffice. As long as we follow the standard and insist on the identification in this manner it is always possible to provide an identifcation. When you insist on a an item ID, that item ID needs to have a language code and this language code must never change.

Without this there is no interoperability.
Thanks,
      GerardM

On 10 April 2017 at 17:42, Daniel Kinzler <daniel.kinzler@wikimedia.de> wrote:
Tobias' comment made me realize that I did not clarify wone very important
distinction: there are two kinds of places where a "language" is needed in the
Lexeme data model
<https://www.mediawiki.org/wiki/Extension:WikibaseLexeme/Data_Model>:

1) the "lexeme language". This can be any Item, language code or no. This is
what Tobias would have to use in his query.

2) the language codes used in the MultilingualTextValues (lemma, representation,
and gloss). This is where my "hybrid" approach comes in: use a standard language
code augmented by an item ID to identify the variant.

To make it easy to create new Lexemes, the lexeme language can serve as a
default for lemma, representation, and gloss - but only if it has a language
code. If it does not have one, the user will have to specify one for use in
MultilingualTextValues.


Am 06.04.2017 um 19:59 schrieb Tobias Schönberg:
> An example using the second suggestion:
>
> If I would like to query all L-items that contain a combination of letters and
> limit those results by getting the Q-items of the language and limit those, to
> those that have Latin influences.
>
> In my imagination this would work better using the second suggestion. Also the
> flexibility of "what is a language" and "what is a dialect" would seem easier if
> we can attach statements to the UserLanguageCode or the Q-item of the language.
>
> -Tobias


--
Daniel Kinzler
Principal Platform Engineer

Wikimedia Deutschland
Gesellschaft zur Förderung Freien Wissens e.V.

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