[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: html, xml
> Kasetty, Ramesh >I have knowledge of HTML and trying to learn XML. Can > anyone tell me the > Kasetty, Ramesh >difference between HTML and XML and where XML can used. > > > HTML uses a fixed set of tags, to specify display properties for those > things > enclosed in the tags. XML allows the definition of tags that enable the > specification of semantic properties. > In my opinion XML offers the great benefit of being more processable by > machines than HTML. That especially holds for retrieval. Who wants to know > whether a certain document contains '1234' within <P>-Tags ? But a > question like 'which document contains 1234 as an Employee-Number' > makes sense. While I'm obsessed with search and XML, I think that's not going to be the short-term gain with XML. XML is not a set of tags like HTML, it's a set of simple rules for defining tags for your own content. This lets you use XML files for data interchange. Eventually, you'll be able to post them to the Web with associated style sheets and people will view them (but not until 5.0 browsers come out). There are major advantages for using XML files for data storage and especialy for data interchange. XML formats are basically self-documenting and are meant to be both human and machine-readable. That means that you will be able to read the file in 10 or 20 years, unlike most other data structures. You can read and write a valid XML file from any XML-generating application, so you aren't locked into a single program with a proprietary file format. It's based on Unicode, so it's not limited to Western languages. While XML is not very efficient for database access, database programs can read and write XML files very easily. For more information, see <http://www.xml.com/>, the FAQs at <http://netlingo.com/more/xmlfaq.htm>, <http://www.ucc.ie/xml/> and the news page at <http://www.oasis-open.org/cover/sgmlnew.html>. Hope that helps! Avi ________________________________________________________________ Avi Rappoport, Web Site Search Tools Maven: <mailto:avirr@l...> Guide to Site Indexing and Local Search Engines: <http://www.searchtools.com> xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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