Current-day crawlers retrieve content only from the publicly indexable Web, ie, the set of
web pages reachable purely by following hypertext links, ignoring search forms and pages …

In semistructured data, the information that is normally associated with a schema is
contained within the data, which is sometimes called “self-describing”. In some forms of …

Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces,
require the management of large volumes of metadata, ie, information describing the …

Today's Web sites are intricate but not intelligent; while Web navigation is dynamic and
idiosyncratic, all too often Web sites are fossils cast in HTML. In response, this paper …

COMMUNICATIONS OF THE ACM August 2000/Vol. 43, No. 8 153 and suggest useful
adaptations to the Web master. The use of such assistants is one way to develop adaptive …

Query languages for data with irregular structure use regular path expressions for
navigation. This feature is useful for querying data where parts of the structure is either …

The management of semistructured data has recently rccoivcd significant attention because
of the need of several applications to model and query large volumes of irregular data. This …

The creation of a complex web site is a thorny problem in user interface design. First,
different visitors have distinct goals. Second, even a single visitor may have different needs …

The Strudel system applies concepts from database management systems to the process of
building Web sites. Strudel's key idea is separating the management of the site's data, the …

Many challenging problems in information systems engineering involve the manipulation of
complex metadata artifacts or models, such as database schema, interface specifications, or …