With the proliferation of database views and curated data-bases, the issue of data
provenance-where a piece of data came from and the process by which it arrived in the …

The Web is causing a revolution in how we represent, retrieve, and process information Its
growth has given us a universally accessible database-but in the form of a largely …

To enable modern data intensive applications including data warehousing, global
information systems and electronic commerce, we must solve the schema mapping problem …

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

The popularity of the World-Wide Web (WWW) has made it a prime vehicle for disseminating
information. The relevance of database concepts to the problems of managing and querying …

A broad spectrum of data is available on the Web in distinct heterogeneous sources, and
stored under different formats. As the number of systems that utilize this heterogeneous data …

Publisher Summary An important issue in modern information systems and e-commerce
applications is providing support for interoperability of independent data sources. A broad …

Answering XML Queries over Heterogeneous Data Sources Page 1 "! & %(') 1 02 7%8! @
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Model management aims at reducing the amount of programming needed for the
development of metadata-intensive applications. We present a first complete prototype of a …

We study the typechecking problem for XML transformers: given an XML transformation
program and a DTD for the input XML documents, check whether every result of the program …