- From: Jeff Heflin <heflin@cse.lehigh.edu>
- Date: Sat, 16 Feb 2002 15:49:23 -0500
- To: Dan Connolly <connolly@w3.org>
- CC: www-webont-wg@w3.org
Dan, Most of these comments appear to be improvements, so we'll incoroprate them into the document. I'll work on a rewording of "the problems with lack of semantics in XML" to describe specific problems for specific uses. Jeff Dan Connolly wrote: > > Our requirements document is going to > be the first exposure that some folks > get to our work; I can imagine > it showing up in Robin Cover's XML > new stuff; he'll probably grab the abstract: > > "This document specifies goals, requirements, and usage scenarios for > the OWL web ontology language." > > I can imagine xml-dev/www-talk folks saying, "er.. > gee, thanks; now what's an ontology > language?" > > That's elaborated later in the document; let's > see if there's some text to grab... yes: > > Put simply, an ontology is just a set of > standard vocabularly terms along with some > formal definitions of the terms. > > Lightly edited: > > An ontology is vocabularly of terms along > with some formal definitions of the terms. > > I'd like another sentence that gives a short > list of examples: > the yahoo hierarchy > > kindom/phylum/class sorts of biological > taxonomies > > product categorization: menswear vs. > sporting goods vs. perishables > > Or maybe a few buzzwords from our use cases would > be better: Portals, image collections, site > management, Intelligent Agents. > > Oh... please flesh out the TOC. Please make sure > all the buzzwords are in there! > > Hmm... about the intro in general... > > The W3C has chartered a Web Ontology working group (WebOnt) > to develop a language which extends the semantic reach of > current XML and RDF meta-data efforts. > > I prefer to think that the chartering isn't the cause of > our work; it's one of the effects. Presumably W3C chartered > this work because folks think it's useful. What is it > that folks think is useful? > > The three examples I gave above are the sorts of things > I expect that our audience will be familiar with which > motivate our work. I'd suggest starting there. > > The term ontology may be unfamiliar to many readers of > this document. > > That seems superfluous. I suggest striking it. > > This notion of ontologies comes from Artificial Intelligence, > where ontologies are used to allow heterogeneous systems to > exchange and reason with information. > > I'd suggest either citing specific work in this area > or striking the reference to Artificial Intelligence. > > One of the problems with using ordinary XML is that the > elements and attributes defined by DTDs or XML Schemas do > not have any semantics associated with them; > > I think a lot of folks in our audience see the lack > of semantics in XML as a feature, not a problem. > Even myself: I don't see a lack of semantics in XML > as a problem with XML, any more than the lack > of semantics in s-expressions or binary trees > is a problem. > > I'm not sure what to suggest as a replacement, other than > going right into use cases: "Consider the problem > of exchanging parts catalogs between suppliers...". > Maybe copying some stuff from the Web Portal > use case into the introductory material would be > straightforward? > > http://km.aifb.uni-karlsruhe.de/owl/ > Web Ontology Requirements > W3C Working Draft Feb 7, 2002 1:30 pm > > -- > Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Saturday, 16 February 2002 15:49:27 UTC