[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: DAFIF and date formats
> -----Original Message----- > From: David Megginson [mailto:dmeggin@a...] > Sent: Sunday, May 02, 2004 20:01 > To: XML Developers List > Subject: DAFIF and date formats > > > Michael Kay wrote: > > > Their site appears to have a security certificate that > expired on 5th > > February, or possibly 2nd May. > > If only a standards body could come up with a date format > that people from > all countries could understand ... ISO TC 154 is working on a revision of ISO 8601. I have seen the current draft and it is a big improvement over the current version of the standard. (I don't remember at which stage of standardization the new draft is, but I can easily find out.) The ASN.1 group of ISO/ITU-T is adding support for date/time datatypes to ASN.1, based on the new version of ISO 8601. By the way, XML Schema Part 2 uses the (obsolete) version 1988 of ISO 8601 for its own date/time datatypes. I hope that the new version of XML Schema will also adopt the new version of the standard (assuming it is finalized in time). (For those who are curious: The new version of 8601 seems to be getting rid of the "truncated representation" stuff. Things like "-month-day" without the year seem to have disappeared.) Here are some examples of the normal "extended format" for those who have no clue about ISO 8601: 2004-02-27 2004-02 2004 15:30:41 15:30 15:30:41-05 15.1389254435 (or 15,1389254435) 2004-02-27T15:30 Alessandro Triglia OSS Nokalva > > Seriously, the DAFIF is a wonderful example of free > information online, even > if the Web people forget to renew their certificate, or even > to come up with > a domain name to associate with the IP address. If anyone is > interested in > a medium-size, free (as-in-beer and as-in-speech) dataset to > convert to XML > and test with tools, I highly recommend the DAFIFT (the tab-delimited > version), which includes worldwide information on thousands > of airports, > runways, air traffic service frequencies, air routes, etc. etc. > > https://164.214.2.62/products/digitalaero/index.cfm > > The U.S. government leads the world in making this kind of > data freely > available, however much it sticks in my Canadian throat to say so. > Converting the tab-delimited tables to XML is fairly trivial, > as long as you > read the data dictionaries first. > > > All the best, > > > David > > ----------------------------------------------------------------- > The xml-dev list is sponsored by XML.org > <http://www.xml.org>, an initiative of OASIS > <http://www.oasis-open.org> > > The list archives are at http://lists.xml.org/archives/xml-dev/ > > To subscribe or unsubscribe from this list use the subscription > manager: <http://www.oasis-open.org/mlmanage/index.php> > >
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