We study the satisfiability problem associated with XPath in the presence of DTDs. This is the problem of determining, given a query p in an XPath fragment and a DTD D, whether or...
Abstract. The Web of today can be seen as an active and heterogeneous infrastructure of autonomous systems, where reactivity, evolution and propagation of information and changes p...
Semistructured data is becoming increasingly important for web applications with the development of XML and related technologies. Designing a “good” semistructured database is ...
Xiaoying Wu, Tok Wang Ling, Sin Yeung Lee, Mong-Li...
The recent Heliophysics Virtual Observatory (VxO) effort involves the development of separate observatories with a low overlap in physical domain or area of scientific specializat...
Robert S. Weigel, Mikhail N. Zhizhin, Dmitry Mishi...
Background: Digital atlases provide a common semantic and spatial coordinate system that can be leveraged to compare, contrast, and correlate data from disparate sources. As the q...