Re: Proposal to register Allen's temporal interval relations as relation-types

Mark Nottingham <mnot@mnot.net> Mon, 26 November 2018 00:15 UTC

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Subject: Re: Proposal to register Allen's temporal interval relations as relation-types
From: Mark Nottingham <mnot@mnot.net>
In-Reply-To: <50c5cdb109984962a64bbd3a0d8bf321@exch1-mel.nexus.csiro.au>
Date: Mon, 26 Nov 2018 11:15:15 +1100
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To: Simon.Cox@csiro.au
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Hi Simon,

I approved these last week; IANA should act shortly (they've been on holiday, I think).

Cheers,


> On 26 Nov 2018, at 9:12 am, Simon.Cox@csiro.au wrote:
> 
> This PR https://github.com/link-relations/registry/pull/5 proposes to register a set of temporal interval relations.
>  
> These relations support the assertion of the relative position of time intervals, such as ‘before’, ‘after’, ‘overlaps’, ‘during’ etc, which are expected to be of interest for web resources. For example, it might be useful to be able to say that a lecture overlaps lunchtime, or that a conference is started by a plenary session.
>  
> The relations proposed were defined by Allen last century[1,2], and are broadly accepted as the canonical set required to express all relationships between time intervals. They were recently included in the W3C OWL-Time recommendation [3], and that document is used as the accessible source to be cited in the registry entry.
>  
> There has been a little discussion in GitHub here: https://github.com/link-relations/registry/issues/4
>  
> Simon Cox
>  
> [1] Actions and events in interval temporal logic In: Spatial and Temporal Reasoning. O. Stock, ed., Kluwer, Dordrecht, Netherlands, pp. 205-245.. J.F. Allen; G. Ferguson.1997. URL: http://dx.doi.org/10.1007/978-0-585-28322-7_7
> [2] Towards a general theory of action and time. Artificial Intelligence 23, pp. 123-154.. J.F. Allen.1984. URL: http://dx.doi.org/10.1016/0004-3702%2884%2990008-0
> [3] https://www.w3.org/TR/owl-time/#time:intervalAfter
>  
> Simon J D Cox
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Mark Nottingham   https://www.mnot.net/