- From: Andrea Perego <andrea.perego@jrc.ec.europa.eu>
- Date: Tue, 28 Jun 2016 18:40:32 +0200
- To: Caroline Burle <cburle@nic.br>, Bernadette Farias Lóscio <bfl@cin.ufpe.br>
- Cc: W3C DWBP WG - Comments <public-dwbp-comments@w3.org>
Thanks!
Best,
Andrea
On 28/06/2016 0:19, Caroline Burle wrote:
> Dear Andrea,
>
> thank you indeed for your comments. We addressed it on the BP Document
> [1] as you may see the Commit at Github [2] [3] [4].
>
> Kind regards,
> BP Editors
>
> [1] http://w3c.github.io/dwbp/bp.html
> [2]
> https://github.com/w3c/dwbp/pull/408/commits/f18044394f04e8495b427667bff9122f1ee194fb
> [3]
> https://github.com/w3c/dwbp/pull/408/commits/2a8089e45d9aece41c68b0f947c270f78d9cb726
> [4]
> https://github.com/w3c/dwbp/commit/64d71cb6bd4a3761cf61e3eb8670b834be6d3119
>
> On 31/05/16 08:14, Bernadette Farias Lóscio wrote:
>> Hi Andrea,
>>
>> Thanks a lot for your valuable comments and suggestions!
>>
>> We're gonna discuss your comments with the group and we will let you
>> know how we're gonna handle them.
>>
>> Cheers,
>> Bernadette
>>
>> 2016-05-31 6:18 GMT-03:00 Andrea Perego
>> <andrea.perego@jrc.ec.europa.eu <mailto:andrea.perego@jrc.ec.europa.eu>>:
>>
>> Dear DWBP WG,
>>
>> Congratulations for the great work done!
>>
>> I would like to contribute a couple of comments on the BP
>> document, concerning data versioning and access. I don't know if
>> they can be addressed at this stage, but I thought they may be
>> worth to be mentioned - at least to know the position of the WG.
>>
>> Thanks!
>>
>> Andrea
>>
>> ----
>>
>> 1. Data versioning
>>
>> The issue is about a specific metadata field, namely the date of
>> last modification of a dataset (dct:modified in DCAT).
>>
>> This field conveys useful information for end users - e.g., they
>> can check whether the data are actually recent enough for their
>> purposes - and it is sometimes considered more important than the
>> dataset issue date.
>>
>> Going through the BP doc, I realised dct:modified occurs just in
>> one of the examples (#4), and it is not included in BP2 in the
>> list of recommended fields for datasets and distributions. There's
>> actually another field (dct:accrualPeriodicity) that is referred
>> to from the data versioning section, as a way to inform end users
>> about the data update frequency. Nonetheless, the two fields are
>> not mutually exclusive, and dct:accrualPeriodicity cannot replace
>> dct:modified when the update frequency is "irregular" or "unknown".
>>
>> May I ask which is the position of the WG on this issue?
>>
>>
>> 2. Data access
>>
>> There's a scenario that I'm not sure it is addressed, at least
>> explicitly. This concerns data that, to be accessed, require users
>> to register. This is different from data that can be accessed only
>> by authorised users. It's basically just about preventing data
>> from being anonymously accessed, because, for some data providers,
>> it is important to know who downloads / uses the data.
>>
>> This is quite common for research data, but there are also quite a
>> few examples from the public sector.
>>
>> A first issue here is that, usually, this compulsory registration
>> does not result in clear benefits from the end users' side, who
>> may be reasonably concerned to provide personal information -
>> that, in many cases, is not limited to your email address, but
>> you're also asked to say which is you real name, the organisation
>> you're working for, etc.
>>
>> To address this, a recommendation to data providers could be: if
>> you require users to register / authenticate to get to the data,
>> you should explain (a) why, (b) how their personal information
>> will be used, and (c) which are the benefits (if any) they can get
>> (e.g., they will be allowed to submit feedback, they will be
>> updated about data they're interesting in).
>>
>> I think this could be addressed by extending BP22 accordingly
>> ("Provide an explanation for data that is not available").
>>
>> Another issue is that, although these data are open to everyone,
>> the need to authenticate creates a barrier to machine-based data
>> access. This can be addressed by supporting Web-based
>> authentication / authorisation protocols, but this is usually not
>> the case.
>>
>> Of course, this applies as well to data subject to access control.
>>
>> Maybe, BP23 ("Make data available through an API") could be
>> extended to mention that, whenever direct data access is
>> prevented, data providers should support standard authentication /
>> authorisation APIs.
>>
>> ----
>>
>>
>>
>>
>> --
>> Bernadette Farias Lóscio
>> Centro de Informática
>> Universidade Federal de Pernambuco - UFPE, Brazil
>> ----------------------------------------------------------------------------
>
--
Andrea Perego, Ph.D.
Scientific / Technical Project Officer
European Commission DG JRC
Institute for Environment & Sustainability
Unit H06 - Digital Earth & Reference Data
Via E. Fermi, 2749 - TP 262
21027 Ispra VA, Italy
https://ec.europa.eu/jrc/
Received on Tuesday, 28 June 2016 16:41:14 UTC