Despite the recent advances in search quality, the fast increase in the size of the Web collection has introduced new challenges for Web ranking algorithms. In fact, there are sti...
Bruno M. Fonseca, Paulo Braz Golgher, Bruno P&ocir...
An active XML (AXML) document contains tags representing calls to Web services. Therefore, retrieving its contents consists in materializing its data elements by invoking the embe...
The capability to easily find useful services (software applications, software components, scientific computations) becomes increasingly critical in several fields. Current approa...
Juan Carlos Corrales, Daniela Grigori, Mokrane Bou...
RDF (core Semantic Web standard) is not originally appropriate for context representation, because of its initial focus on the ordinary Web resources, such as web pages, files, dat...
Sergiy Nikitin, Vagan Y. Terziyan, Yaroslav Tsaruk...
This paper deals with pipelined queries over services. The execution plan of such queries defines an order in which the services are called. We present the theoretical underpinni...