RE: Schema.org Sports Vocabulary Proposal

> -----Original Message-----
> From: Laura Dawson [mailto:Laura.Dawson@bowker.com]
> Sent: Thursday, February 6, 2014 3:39 PM
> To: Gregg Kellogg; Jason Johnson (BING)
> Cc: public-vocabs@w3.org
> Subject: Re: Schema.org Sports Vocabulary Proposal
> 
> In the book world, FWIW, we have the concept of ³contributors² who indeed
> can assume multiple ³roles". Expressed in RDBMS, it amounted to appending
> a new row to a table where the personıs name is repeated, and their
> additional role. (And so on, if the person has more than two roles.) So for the
> book Green Eggs and Ham, Dr. Seuss is listed twice - once as the author and
> once as the illustrator. Different websites consume/use/display this data in
> different ways, but I bet on more than one occasion you have seen
> someoneıs name listed twice on a book listing page, because theyıve had
> more than one role in creating that book and that website is importing the
> data without refining it.
> 
> Expressed semantically, I am not sure quite how you would go about it
> because I am not fluent (yet). But the concept of relating one person to
> many roles is one that media industries (music, video, games, books) have
> grappled with for quite some time.
> 
> At ISNI, we have an ever-growing list of roles a contributor can play - and a
> contributor is very loosely defined; s/he can be anyone who adds value to
> content on the web. So the football/soccer (Iım neutral) player Cristiano
> Ronaldo, though he has not created any content himself, has had a great deal
> of content created about him, so his ISNI URI is
> http://isni.org/isni/0000000114607485. (Youıll see at the bottom a link to his
> Wikipedia page - it is a reciprocal link.)
> 
> More relevant to your baseball example, Derek Jeter obviously has one ISNI
> and multiple roles - batter and shortstop - with statistics linked to each role.
> 
> Donıt know if that is helpful, but I sympathize with the problem.
> 

This indeed looks to be the 'Roles' problem we faced in this proposal - the question is what the best solution is for schema.org. :) 

> 
> 
> On 2/6/14, 5:59 PM, "Gregg Kellogg" <gregg@greggkellogg.net> wrote:
> 
> >On Feb 6, 2014, at 11:56 AM, Jason Johnson (BING)
> ><jasjoh@microsoft.com>
> >wrote:
> >
> >> The Schema.org partners, in collaboration with experts from the BBC
> >>and IPTC/SportsML, are pleased to share a proposal for improving the
> >>Schema.org sports vocabulary.  The proposal includes support for
> >>describing sports organizations, athletes, and events, with a focus on
> >>the most common sports types being published on the Web today.
> >>Although the proposal includes support for describing sports
> >>statistics within these domains, the initial set of properties are
> >>limited to those which are broadly applicable.  More detailed,
> >>sport-specific statistics will be the subject of future additions to the base
> statistic classes.
> >>
> >> The Schema.org sports vocabulary proposal is available as an exported
> >>PDF in the W3C Web Schemas - Sports wiki and a machine readable
> >>version of the schema will be posted soon.  We encourage the web
> >>community to review and provide feedback via the wiki, this mailing
> >>list, or by joining the Schema.org sports vocabulary discussion group.
> >>
> >> See Also:
> >>http://blog.schema.org/2014/02/schemaorg-sports-vocabulary.html
> >
> >I'm really happy to see progress in this area, as I've been working on
> >something similar myself.
> >
> >Getting into some specifics:
> >
> >OrderedEvent seems like it's instituting a patter that could also be
> >useful in other contexts. Perhaps something which leverages
> >schema:ItemList, such as an OrderedItemList; this could use techniques
> >from the Ordered List Ontology [1]. One advantage of such a vocabulary
> >is to not require traversing the list through first/previous links, as
> >they can be directly indexed. This is also much friendlier for doing
> >SPARQL queries. However, this would add a layer of indirection. Did the
> >group consider this type of model? Alternatively, makeing something
> >like a schema:eventList property, which specifically takes a sub-class
> >of rdf:List that restricts the range of rdf:first to be a schema:Event
> >would work well with existing list representations (e.g., JSON-LD and
> >RDFa), without requiring more "semantic overhead".
> >
> >Regarding sub-types of SportsTeam, this may be an example where some
> >enumeration is more valuable. In my modeling, I defined a
> >"sportsDiscipline" property with the range of SportsDiscipline. This
> >can then allow any number of disciplines to be defined as instances and
> >relate them, e.g., to DBpedia/Freebase URIs. For example
> >
> >:sfgiants a schema:SportsTeam
> >  schema:name "San Francisco Giants";
> >  schema:sportsDiscipline :MajorLeagueBaseball .
> >
> >:MajorLeagueBaseball a schema:SportsDiscipline
> >  schema:sameAs <http://db.org/resource/Major_League_Baseball>,
> ><http://www.freebase.com/m/09p14> .
> >
> >Otherwise, trying to enumerate every possible type of sport as a
> >distinct sub-class becomes futile. A sportsDiscipline can also be
> >useful in describing player skills.
> >
> >The teamSpecificRoles also seem a bit narrow, and people may play
> >multiple roles. Roles might better be modeled with something like a
> >"Contribution" class; we discussed this for the TV and Radio updates,
> >although nothing much came about from it. A person may contribute to a
> >sports team using multiple roles. This also allows modeling finer
> >grained sports activities such as a season, series, game, period, or
> >individual play. The roles can then be defined using an enumeration
> >class similarly to sports disciplines. Per-sport role properties are
> >simpler, but also suffer from the cost of adding them specifically to
> >the vocabulary rather than allowing the use of external enumerations.
> >
> >More team hierarchies: Defining something like SportsAssociation,
> >League, and Division allows many team sports to be contained within an
> >organizational hierarchy consistent with many amateur and professional
> >sports, and allows more interesting information to be described for
> >those various organizations.
> >
> >Other things to model in sports.
> >
> >The concept of a sports team really is something that refers to some
> >instance of the organization. For example, the 1957 Giants and 2013
> >Giants are really two different teams. We defined a "Season" class for
> >this, so that a SportsTeam has many seasons, and players are associated
> >with given seasons. A Season is modeled as a sub-class of SportsEvent,
> >as it has a beginning and end, but there may be some other kind of
> >event which is more appropriate. Similarly, a Season can have series
> >which have games, or may simply have games. A game is divided into
> >periods and plays. Below this level, a PlayAction becomes more useful
> >than an event, to describe some particular play (such as at-bat, down,
> >or individual event).
> >
> >I'd certainly like to know if you considered modeling at such detail,
> >and how this meshes with your own thoughts.
> >
> >> Cheers,
> >>
> >> Jason Johnson
> >> Microsoft
> >
> >[1] http://smiy.sourceforge.net/olo/spec/orderedlistontology.html

Received on Wednesday, 12 February 2014 20:04:57 UTC