XML is by now the de facto standard for exporting and exchanging data on the web. The need for querying XML data sources whose structure is not fully known to the user and the need...
Jedi (Java based Extraction and Dissemination of Information) is a lightweight tool for the creation of wrappers and mediators to extract, combine, and reconcile information from ...
Gerald Huck, Peter Fankhauser, Karl Aberer, Erich ...
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
Abstract. We describe a system in which Contextual Logic Programming is used as a mediator for knowledge modeled by ontologies. Our system provides the components required to behav...
DeXIN (Distributed extended XQuery for data INtegration) integrates multiple, heterogeneous, highly distributed and rapidly changing web data sources in different formats, e.g. XML...
Muhammad Intizar Ali, Reinhard Pichler, Hong Linh ...