The globalization of businesses and the cooperation between organizations have brought on an ever increased need for providing support for distributed collaborations. In this pape...
Semantic Web Information Systems (SWIS) are Web Information Systems that use Semantic Web technologies. Hera is a modeldriven design methodology for SWIS. In Hera, models are repr...
This paper investigates the level of metadata accuracy required for image filters to be valuable to users. Access to large digital image and video collections is hampered by ambig...
A wealth of knowledge is encoded in the form of tables on the World Wide Web. We propose a classification algorithm and a rich feature set for automatically recognizing layout tab...
Information systems often require combining datasets available in different formats, and geographical information systems are no exception. While semantic technologies have been u...