- From: Graham Klyne <gk@ninebynine.org>
- Date: Wed, 20 Jun 2018 08:35:26 +0100
- To: Sebastian Samaruga <ssamarug@gmail.com>, Simon.Cox@csiro.au
- CC: "Peter F. Patel-Schneider" <pfpschneider@gmail.com>, public-schemaorg@w3.org, W3C Semantic Web IG <semantic-web@w3.org>
See also: CIDOC CRM - http://www.cidoc-crm.org (event here is considered a subclass of a period - e.g. http://www.cidoc-crm.org/sites/default/files/objProduction.jpg) PeriodO - http://perio.do (focuses on identifying periods rather than measurement/calculation) #g -- On 20/06/2018 04:48, Sebastian Samaruga wrote: > Events denoting dimensional changes of State (measures / observations) over > an entity? Periods / processes: spans while an observation in respect to a > (dimensional) concept remains the same? > > State: countryPresident, > Event: presidentialElection, > Period / Process: presidentialRuling. > > Still thinking in a more semiotical / dimensional approach. > > On Tue, Jun 19, 2018, 10:58 PM Sebastian Samaruga <ssamarug@gmail.com> > wrote: > >> Semiotically, an Event could be regarded as the occurrence of a Concept in >> the form of a Sign for a given Object (metaclass / class / instance >> relationship). Occurrences of entities happens as dimensional measures, not >> only temporal or physical ('birthdays' could be a 'dimension'). Measures >> bring Data from which Contexts (schema) could be aggregated. And from >> schema one could infer Interactions or roles in behaviors (DCI OO design >> pattern). >> >> This is roughly sketched at: >> https://github.com/ssamarug/ssamarug/blob/master/Metamodel.pdf?raw=true >> >> I think dimensional modelling approach is not only useful in OLAP cubes >> but also in the Semantic Web. For example in this Event / Period dilemma. >> >> Is this discussion pertinent to the SW community in general >> (semantic-web)? As this is an ontological issue I'm including the >> corresponding list. Regards, >> >> Sebastián. >> http://exampledotorg.blogspot.com >> >> >> On Tue, Jun 19, 2018, 10:38 PM <Simon.Cox@csiro.au> wrote: >> >>> That is signified by the fact that '19 June 2018' doesn't have a name, >>> only an index. >>> >>> An 'event' that happened on that day would probably have a name relating >>> to the activity. >>> >>> -----Original Message----- >>> From: Peter F. Patel-Schneider [mailto:pfpschneider@gmail.com] >>> Sent: Wednesday, 20 June, 2018 11:17 >>> To: public-schemaorg@w3.org >>> Subject: Re: Historical events >>> >>> I think that ages are qualitatively different from events. Consider a >>> very short age - 19 June 2018. As far as I am concerned that is not an >>> event. >>> >>> >>> peter >>> >>> >>> >>> On 06/19/2018 05:06 PM, Anthony Moretti wrote: >>>> Look, I'm no temporal expert or anything, but maybe the problem is in >>>> English it could be a continuum from "event" to "period" as the >>>> interval of time being named gets longer, with no clear boundary. >>>> >>>> Mike's birthday party - an event >>>> The Middle Ages - a period >>>> >>>> Because from a data modeling point of view they're the same (at least >>>> as far as my modeling knowledge goes). >>>> >>>> So an unpopular solution I'm guessing would be to rename the type to >>>> *EventOrPeriod*. >>>> >>>> So your previous example: >>>> >>>> The Black Death >>>> superEventOrPeriod: The Middle Ages >>>> >>>> People's ideas? >>>> >>>> Anthony >>>> >>>> On Tue, Jun 19, 2018 at 4:10 PM Richard Wallis >>>> <richard.wallis@dataliberate.com >>>> <mailto:richard.wallis@dataliberate.com>> >>>> wrote: >>>> >>>> Anthony, >>>> >>>> I’m not following your logic here. I don’t see a Period (of time >>> from a >>>> start time/date to an end date/time) as an event. >>>> >>>> ~Richard. >>>> >>>> Richard Wallis >>>> Founder, Data Liberate >>>> http://dataliberate.com >>>> Linkedin: http://www.linkedin.com/in/richardwallis >>>> Twitter: @rjw >>>> >>>> On 20 June 2018 at 00:05, Anthony Moretti < >>> anthony.moretti@gmail.com >>>> <mailto:anthony.moretti@gmail.com>> wrote: >>>> >>>> That definitely works, but only if some definition of Period was >>>> agreed on. >>>> >>>> The property periodEventOccurred would be a subproperty of >>>> superEvent in any case: >>>> >>>> superEvent >>>> >>>> periodEventOccurred >>>> >>>> >>>> So you could describe the same information using the existing >>> term >>>> right? >>>> >>>> The Black Death >>>> >>>> superEvent: The Middle Ages >>>> >>>> >>>> Anthony >>>> >>>> >>>> On Tue, Jun 19, 2018 at 3:50 PM Richard Wallis >>>> <richard.wallis@dataliberate.com >>>> <mailto:richard.wallis@dataliberate.com>> wrote: >>>> >>>> Using a Period Type I would suggest a cleaner alternative >>> way of >>>> saying an event occurred during a period would be like this: >>>> >>>> { >>>> "@context": "http://schema.org", >>>> "@type": "Event", >>>> "name": "The Black Death", >>>> "Description": "A pandemic that spread throughout Europe", >>>> "periodEventOccured": { >>>> "@type": "Period", >>>> "name": "The Middle Ages", >>>> "approximateStartDate": "400AD", >>>> "approximateEndDate":"1500AD" >>>> } >>>> } >>>> >>>> On 19 June 2018 at 23:41, Anthony Moretti >>>> <anthony.moretti@gmail.com <mailto: >>> anthony.moretti@gmail.com>> >>>> wrote: >>>> >>>> I was referencing the development version of Schema, I >>>> should probably reference production, sorry Roger: >>>> >>>> * https://schema.org/subEvent >>>> * https://schema.org/superEvent >>>> >>>> To say some event happened during the Iron Age for >>> example: >>>> >>>> Invention of iron plow >>>> superEvent: Iron Age >>>> >>>> >>>> Anthony >>>> >>>> On Tue, Jun 19, 2018 at 3:05 PM Muri, Allison >>>> <allison.muri@usask.ca <mailto:allison.muri@usask.ca>> >>> wrote: >>>> >>>> The google Cloud host is really slow and I think >>> the 404 >>>> is a result of something loading too slowly. I could >>>> probably publish this more reliably on my own >>> website! I >>>> generally just wait a bit and reload the page. Sorry >>>> about that. >>>> >>>> Sent from my iPhone >>>> >>>> On Jun 19, 2018, at 3:58 PM, Roger Rohrbach >>>> <roger@ecstatic.com <mailto:roger@ecstatic.com>> >>> wrote: >>>> >>>>> I get 404 Not Found for both of those pages. >>>>> >>>>> >>>>>> On Jun 19, 2018, at 11:50 AM, Anthony Moretti >>>>>> <anthony.moretti@gmail.com >>>>>> <mailto:anthony.moretti@gmail.com>> wrote: >>>>>> >>>>>> Isn't it already modeled by these properties?: >>>>>> >>>>>> * https://webschemas.org/subEvent >>>>>> * https://webschemas.org/superEvent >>>>>> >>>>>> Events can exist in part-whole hierarchies, aren't >>>>>> named periods just events high in these >>> hierarchies? >>>>>> >>>>>> Anthony >>>>> >>>> >>>> >>> >>> >>> >
Received on Wednesday, 20 June 2018 07:35:56 UTC