In this paper we present a new semantics, called Local Models Semantics, and use it to
provide a foundation to reasoning with contexts. This semantics captures and makes precise …

This paper presents the conceptual modelling parts of a methodology for the design of large-
scale data-intensive web information systems (WISs) that is based on an abstract abstraction …

The research for this monograph on web information systems started in the mid-1990s,
when the second author was confronted with the desire of the information service for …

Although semantic data models provide expressive conceptual modeling mechanisms, they
do not support context, ie providing controlled partial information on conceptual entities by …

More and more Web users ask for contents and services highly tailored to their particular
contexts of use. Especially due to the increasing affordability of new and powerful mobile …

In traditional databases and information systems the number of users is more or less known
and their background is to a great extent homogeneous. In distributed and heterogeneous …

The notion of context appears in several disciplines, including computer science, under
various forms. In this paper, we are concerned with a notion of context in the area of …

We propose a descriptive high-level language XDTrans devoted to specify transformations
over XML data. The language is based on unranked tree automata approach. In contrast to …

Lower prices, shorter product cycles, and the customer individual production of highly
variant products are the main reasons for the success of product configuration systems in …

While using large-scale Web Information Systems (WISs) customers sometimes get
confused and experience difficulties in solving their business problems. We propose context …