xmlhack: Editors' Newswire for 30 April, 2002

A collected summary of items that ran on the xmlhack newswire on 30 April, 2002.

Technical Report for Ontology Storage and Querying (PDF)
from Uche Ogbuji at 20:52, 30 Apr

This report, by Aimilia Magkanaraki et alia, provides an in-depth review and comparison of RDF query languages and storage systems.

Guidelines for the Use of XML within IETF Protocols
from Simon St.Laurent at 13:43, 30 Apr

Last call draft for the IETF's XML usage guidelines, with comments due by May 8. Mailing list information and diffs from prior versions are available.

Translator from XSD regex syntax to Java regex syntax
from Eric van der Vlist at 09:59, 30 Apr

James Clark has announced a translator between Unicode 3.1 based W3C XML Schema regular expressions their 16 bits Unicode 3.0 based Java 1.4 counterpart.