Table of ContentsWeb-Based Information Systems Outline Outline Focus Information Superhighway Projected Applications History of Internet Hypermedia History Hypermedia History of WWW NSF Research Priorities Report Outline Advertising & Services Customer support Electronic Commerce Outline What and How Requirements Solution DBMS got late in the WWW arena Integrated Database Support Authoring Environment Current status Authoring Environment Requirements Authoring Tools Indexing, Semantics, and Representation Integrated Database Support WWW Evolution HTML Files Static HTML Files Dynamic HTML Files CGI (1) CGI (2) Forms and CGI POST and GET Java DB Connectivity (JDBC) JDBC Architecture JDBC Example Stateless Adding State Adding State and Transactions Static Assignment Transactions: Page Sequence Dynamic Assignment (Non)-transactional Access Integrated Database Support Security Problems Encryption Authentication Secure connection Security Activities Integrated Database Support Visualization Visualization Hy+ Visualization of Search Results WebQuery Visualization Bullseye 2D cone tree 3-dimensional in planes Graph visualization Integrated Database Support Search Engines Updating Indexes: Scalability Problem Harvest solution Harvest: Scalability Solution Harvest Architecture Disadvantages Browsing Current Mode of Searching Searching and browsing Web Pages in Databases Creating Order: little structure Araneus Project Araneus W3QS W3QS W3QS Example WAG: Web-At-a-Glance WAG Architecture WAG Engine Creating Order: more structure Mediators Mediators Function of Mediators Mediator Architecture Semi-structured Data Issues Object Exchange Model OEM Example ADMIRE Limiting the Search Scope Locating Process Locating Document Servers Membership Publication Subsrciption Outline Database-related research Database-related research Concluding Remarks References |
Author: Fac. Informatica
Email: apers@cs.utwente.nl Home Page: http://www.cs.utwente.nl/~apers Other information: |