- From: Reza B'Far <reza.bfar@oracle.com>
- Date: Thu, 14 Jul 2011 22:40:25 -0700
- To: public-prov-wg@w3.org
- Message-ID: <4E1FD2C9.8060301@oracle.com>
+1
On 7/14/11 10:36 PM, Ryan Golden wrote:
> With apologies to Simon for hijacking his namespace, I'd like to take up Luc's
> suggestion to break off what he called the "simon:entity" proposal from the
> earlier thread into a separate thread.
>
> Rationale
> --------------
> It should come as little surprise that some problems we are trying to solve by
> our design have been faced before by others in different contexts. After
> poring over the thread between Simon, Jim and others, I discovered a design
> issue discussion at (http://www.w3.org/DesignIssues/Generic), published by
> TimBL, which bears a _striking_ resemblance to the discussion we're having on
> stuff, thing, entity, entity state, and bob. While he does use the "R" word
> in some of the discussion, he makes the key observation that the identifiers
> we use every day have "multi-level genericity." That is to say, some
> identifiers are very specific ("Halley's comet, as viewed from the Hubble
> telescope, on 1/1/2014, in JPG format"), others more generic ("Halley's
> comet"). The Web design, he states, "should not arbitrarily seek to constrain
> life in general for its own purposes." Neither should we, I would argue.
>
> Further, we may may make statements about "dimensions of genericity." That is
> to say that a) in relation to the thing it identifies, an identifier can be
> generic with respect to a particular dimension, e.g., in relation to the real
> Halley's comet, the "Halley's comet" identifier is generic with respect to
> time and content-type; and b) one identified thing may be generic in relation
> to another identified thing with respect to zero or more dimensions. TimBL
> talks about the relatively small number of dimensions of genericity for
> electronic resources, whereas we are interested in the infinite number of
> dimensions (i.e., all possible properties) over which identifiers and things
> in the world (not just electronic resources) may vary. The idea of
> "dimensions of genericity" gives what I believe to be a nice formulation for
> what we've been trying to discuss as "IVP of." I leave the remainder of this
> discussion to a separate thread, however (please post any comments on this
> paragraph to that thread).
>
> If I fail to express some of TimBL's ideas adequately, I strongly suggest you
> read the Design Note--it is brief and more well-written.
>
> Proposal
> -------------
> Given both elegant formulations, I would like to propose we conflate the
> following concepts:
> old:stuff
> old:thing
> f2f1:entity
> f2f1:bob
> f2f1:entity state
>
> Into a single concept:
> simon:entity (alternate suggested name: "Identifiable")
>
> Which can be described as:
> that which an identifier represents
>
> And, importantly for IVP of:
> A simon:entity/Identifiable may exhibit a different level of genericity in
> relation to another simon:entity/Identifiable with respect to zero or more
> dimensions.
>
> --Ryan
Received on Friday, 15 July 2011 05:41:12 UTC