Andrius Merkys

This citation says that you can use CC0-licensed code *inside* GPL-licensed code, not the other way round.

@blokhin I think this depends on whether space group number and Hall symbol are enough to uniquely define any set of symmetry operators (I tend to think they are not)....

Good catch! The closest one can get currently is limiting the results to 1D-2D structures: ``` dimension_types HAS 0 AND dimension_types HAS 1 ``` But there seems to be no...

I like the `COUNT` option too. But I'd like to see it as an extension of current `LENGTH` operator, which is essentially querying the number of *all* elements in a...

I am as well a bit unsure whether we need this. I assume this is here just to be able to support all possible comparison combinations from set `{ property,...

Decoupling OPTIMADE's permanent URLs from GitHub is good indeed! > My immediate thought is under the 'schema' repository I just created. But maybe it would be confusing with: `https://schemas.optimade.org/specification/v1.0/optimade.html` >...

> I can see your argument, but could it not be that the requirement of not allowing trailing slashes may be difficult in some web frameworks? Might be so. Then...

In the web meeting of 2020-10-28 @sauliusg has brought our attention to [RFC 1738](https://tools.ietf.org/html/rfc1738), which says: > An HTTP URL takes the form: > > http://:/? [omit] > Within the...

In https://github.com/Materials-Consortia/optimade-python-tools/issues/552 I have suggested using subnamespace `cif_` of structure property namespace. This is in contrast to defining `_cif_` prefix like database-specific prefix, which is described here earlier by @rartino....

> The way you have implemented this clearly requires the `cartisian_site_positions` and `fractional_site_positions` to be in the exact same order - line-by-line referring to the same coordinates. I think that...