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

Publisher Summary This chapter identifies the problem of mapping adaptation in dynamic
environments with evolving schemas. To achieve interoperability, modem information …

This paper describes the overall architecture and design aspects of a hybrid relational and
XML database system called System RX. We believe that such a system is fundamental in …

Ad-hoc data models like Json simplify schema evolution and enable multiplexing various
data sources into a single stream. While useful when writing data, this flexibility makes Json …

The data produced by various services should be stored and managed in an appropriate
format for gaining valuable knowledge conveniently. This leads to the emergence of various …

In dynamic environments like the Web, data sources may change not only their data but also
their schemas, their semantics, and their query capabilities. When a mapping is left …

An increasing percentage of the data needed by business applications is being generated in
XML format. Storing the XML in its native format will facilitate new applications that exchange …

Coupled transformation occurs when multiple software artifacts must be transformed in such
a way that they remain consistent with each other. For instance, when a database schema is …

提出了一种将GML 文档存储到空间数据库的存储映射模型G2SDB, 同时通过定义边表,
保留GML 文档的部分结构信息, 有利于处理GML 查询中的路径表达式, 提高查询操作的效率 …

A two-level data transformation consists of a type-level transformation of a data format
coupled with value-level transformations of data instances corresponding to that format. We …