Abstract The GRACE International Meeting on Bidirectional Transformations was held in
December 2008 near Tokyo, Japan. The meeting brought together researchers and …

The Web has been rapidly" deepened" by the prevalence of databases online. With the
potentially unlimited information hidden behind their query interfaces, this" deep Web" of …

The first edition of this book appeared in 1991 when the technology was new and there were
not too many products. In the Preface to the first edition, we had quoted Michael Stonebraker …

An ontology typically provides a vocabulary describing a domain of interest and a
specification of the meaning of terms in that vocabulary. Depending on the precision of this …

Schema matching is a basic problem in many database application domains, such as data
integration, E-business, data warehousing, and semantic query processing. In current …

Publisher Summary This chapter presents the generic schema match system, COmbination
MAtch (COMA), which provides an extensible library of simple and hybrid match algorithms …

We propose a novel approach to the view-update problem for tree-structured data: a domain-
specific programming language in which all expressions denote bidirectional …

Employees that spend more time finding relevant data than analyzing it suffer from a data
discovery problem. The large volume of data in enterprises, and sometimes the lack of …

Functional dependencies are structural metadata that can be used for schema
normalization, data integration, data cleansing, and many other data management tasks …

Recently, schema matching has found considerable interest in both research and practice.
Determining matching components of database or XML schemas is needed in many …