- From: Jim Hendler <hendler@cs.rpi.edu>
- Date: Fri, 2 Nov 2007 07:59:10 -0400
- To: Bijan Parsia <bparsia@cs.man.ac.uk>
- Cc: public-owl-wg@w3.org
actually, what I had in mind was to actually write our charter deliverables including the "descriptive specification" and the "user guide" -- I don't see where we have any choice on that. On Oct 31, 2007, at 11:56 AM, Bijan Parsia wrote: > On 31 Oct 2007, at 14:46, Jim Hendler wrote: > >> Bijan >> I don't think any of us are talking end users in the sense of >> "grandma" > > But it's not clear. And some people's grandma's have PhD's in > computer science and chairs at prestigious universities ;) > > My point is that without clear identification of the users we're > interested in reaching (and how, and why), we don't know what's the > best use of WG resource. Different audiences have very different > requirements. I adjust my presentation of material all the time*. > >> but if we're going to see more OWL uptake, many of us believe > > Jim, it will be easier for me if you clearly mention who you think > believes what, or speak strictly for yourself. Right now, I have a > rough idea of who you think is in the many, but I'd rather be able > to slot them by name (hence my listing of users who've made > requests about annotations, etc.). > >> that people will want at least some understanding of the language >> "while they stand on one foot" to decide whether to dig in deeper. > > I don't disagree with this at all. It's clearly true. But people > get that at least some understanding in a variety of different > ways. Some people get turned off by certain ways. So, for example, > the OWL1.0 user documents are very RDF/XML based, and there's some > evidence that the semantic web community (or at least a vocal > fraction) is moving away from RDF/XML as a user facing syntax. This > is something we have to take into account. As a WG we aren't as > free as third parties. > > There are several ways to handle this, including switchable syntax. > But I'd rather the working group provided a hub for user facing > material than be a producer of it. That is, use our bully pulpit to > get writers to learn and to write stuff for a *wide* variety of > audiences. So, I think we get most joy by making documents that > support *those* users. > > Many of your suggestions, fwiw, do that! E.g., index of terms. So I > support those. > > I'm trying to articulate principles to help us decide. > >> Further, we've seen with OWL 1.0 that there are some communities >> that are willing to pick and choose a few OWL constructs to use in >> their applications. I don't think that is a bad thing, and it >> provides an "on ramp" to OWL. FOAF, SKOS and vocabularies in the >> individual sciences are starting to pick up on some OWL >> constructs, and I think it is good to keep this coming. > > I agree, but this is definitely orthogonal. > >> Most of these people are not trained logicians or people with DL >> backgrounds, and given how impenetrable I find the current three >> documents, and I do have that training, I'm guessing a lot of them >> simply won't take the time to see if the new constructs are of >> use, until there's a simple way to look at them and get a feel. > > This hasn't been true in my experience, basically because people > just *ask* me. Or rather, a rather shallow approach is sufficient. > > Plus, again, there are a variety of ways to do this (e.g., blogs, > etc.). > >> I think it is important that we let people know what OWL may >> look like after the new version, and see what kind of response we >> get from the application designers using OWL, > > So, all the features in OWL 1.1 came from user requirements, some > of long standing. All have been used by end users who are not tool > developers. I've pointed to these people and testimonials and > evidence over and over. > > All without specific end user documents. > > I've put together 3 international workshops specifically to solicit > user feedback and to improve the communication lines between > vendors, language designers, and users. This is an ongoing process. > > So I agree with the value but disagree with some of the (sketchily > proposed) tactics. I agree with some of the other tactics. > > Can we not agree that I agree with the goals and they don't have to > be articulated yet again, especially with the heavy insinuation > that I don't agree or understand those goals? > >> rather than only from the people developing OWL "power tools" like >> Pellet and SWOOP [1] > > But non-power users use these tools and it is through those tools > that they experiment with the language. One of my points is that > you are much more likely to get end-users experimenting with things > and making *informed decisions* if you give them good tools to work > with. Hence my strong efforts to get robust and widespread tools > support. Users of tools generally prefer language documentation > that's tied to their favored tool, something which the WG can't > support. > >> it's also clear to me that we will eventually have to create a >> reference for the new features, as well as some sort of examples >> that people can cut and paste to make sure they get the syntax >> right while learning the language > > This presumes that cnp of some syntax is a major development > vector. Ian pasted some evidence that this isn't true. If it isn't, > then we have to ask whether supporting those users directly is > worth teh effort. > >> So while you are right that end-user studies are very tied to >> particular users, that is not what any of us seem to be proposing. > > No, *any end user stuff* is tied to particular sorts of users. If > you want to write an article about OWL for businessweek, it needs > to be very different from one from XML.com, which is very different > from one for ISWC. > > Roughly, it seems that people worry that the current documents are > like something for ISWC, and that the WG needs to produces stuff > for somewhere between XML.com and BusinessWeek (I suspect you are > wanting more XML.com, but Vipul seemed to suggest businessweekness). > >> Rather, we're looklng for an easier way than the current documents >> for people > > Which people? That's my point. > >> to "Grok the fullness" of OWL 1.1's new features and to give us >> feedback (as well as to get excited about those things in the new >> version they might see as useful > > And I'm suggesting that wg documents, esp. rec-track ones, are not > the most effective way to do this. I've given a number of reasons why > >> - which will also be necessary later in the process when we are >> trying to get the AC excited) > > I think a wide array of tools and third party articles is much more > useful for that. I've given reasons for that, and can give more. > > Again, what would you prefer, "What is OWL?" on XML.com or an OWL > primer on W3C space? For convincing AC people, I'd much rather have > the former. So too for reaching a wider audience. > > Cheers, > Bijan. > > > > "If we knew what we were doing, it wouldn't be called research, would it?." - Albert Einstein Prof James Hendler http://www.cs.rpi.edu/~hendler Tetherless World Constellation Chair Computer Science Dept Rensselaer Polytechnic Institute, Troy NY 12180
Received on Friday, 2 November 2007 11:59:30 UTC