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Appelquist, Daniel
, Consultant , Independent, London England United Kingdom
Email: dan@torgo.com
Daniel Appelquist has over eleven years of experience in the Internet services industry. In 1989, he founded an online fiction magazine, Quanta, which published for 5 years. He has a Bachelor of Science in Cognitive Science from Carnegie Mellon University. At Visix software, he helped to build a technical documentation system for documenting software APIs. In 1995, he co-founded and became lead technologist for E-Doc (http://www.edoc.com) a company that provided web development services to the scientific, technical, and medical publishing industry. Working with publishers such as John Wiley & Sons and Macmillan, he was the architect of the SGML-based publishing systems behind the Journal Cancer and Nature online.
At TheStreet.com (http://www.thestreet.com), he was the architect of their XML based publishing system and developer of a global strategy for deploying software technologies. Subsequently, he filled the dual role of CTO for TheStreet.co.uk and Vice President of Global Technology for TheStreet.com. At Digital Channel Partners, he built an R&D capability and led the technology team for the UK. Dan has also worked at AOL's Digital City (http://www.digitalcity.com), New Century Network and the Web consulting firm Codefab (http://www.codefab.com). He has spoken at numerous trade shows and events including Seybold and XTech, is active on the Advisory Committee of the W3C (http://www.w3.org) and is on the Advisory Board of Kinecta Corporation (http://www.kinecta.com). He has recently completed a book on building applications with XML and SQL for Addison-Wesley, which is due to be published this December.
This approach, called "Partial Decomposition" is at the heart of an application design paradigm that takes advantage of both the features of XML and the power of relational databases. The presentation is based on real world projects that are currently running on high-profile Internet sites (among them, TheStreet.com, where I was Director of Content Management) but also my recently completed work in writing a book on the use of XML and SQL together (due to be published by Addison Wesley at the end of this year).
The emphasis of this presentation is on novel approaches to using already existing and proven tools together, rather than on new, untested protocols and methods. The essence of Partial Decomposition is to take whole XML instances and store them in a database, while assembling an accompanying schema to represent specific important information around these instances. The discussion will revolve around the success and benefits of this approach, especially in the world of content management, some problems with it (managing database integrity) and solutions to those problems (including pushing XML “housekeeping” functionality into the database layer. Along the way, I will discuss strategies for using XML functionality being built into current Database products (such as Oracle and SQL Server 2000).
This presenter's paper was not received in time to be included in the proceedings.
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