Mary Fernández
Dan Suciu
ABSTRACT
Integrated information systems are often realized as data-intensive Web sites, which integrate data from multiple data sources. We present a system, called STRUDEL, for specifying and generating data-intensive Web sites. STRUDEL separates the tasks of accessing and integrating a site's data sources, building its structure, and generating its HTML representation. STRUDEL's declarative query language, called StruQL, supports the first two tasks. Unlike ad-hoc database queries, a StruQL query is a software artifact that must be extensible and reusable To support more modular and reusable site definition queries, we extend StruQL with functions and describe how the new language, FunStruQL, better supports common site-engineering tasks, such as choosing a strategy for generating the site's pages dynamically and/or statically To substantiate STRUDEL's benefits, we describe the re-engineering of a production Web site using FunStruQL and show that the new site is smaller, more reusable, and unlike the original site, can be analyzed and optimized.
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Index Terms
- Declarative specification of data-intensive Web sites
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