The nature of semistructured data in web collections is evolving. Increasingly, XML web documents (or documents exchanged via web services) are valid with regard to a schema, yet ...
Mariano P. Consens, Flavio Rizzolo, Alejandro A. V...
Representation of negotiations in electronic markets and their support are important issues in today's e-commerce research. Whereas most activities are focused on automation ...
User queries on extensible markup language (XML) documents are typically expressed as regular path expressions. A variety of indexing techniques for efficiently retrieving the re...
In this paper we present query filtering techniques based on bottom-up tree automata for XML access control. In our authorization model (RXACL), RDF statements are used to represen...
Updating XML documents submitted to schema constraints requires incremental validation, i.e. checking the parts of the document concerned by the updates. We propose to correct sub...