This paper describes an architecture for building distributed information systems from existing information resources, based on software agent and distributed object technologies....
Martin K. Purvis, Stephen Cranefield, Geoff Bush, ...
We investigate and compare two forms of recursion on sets for querying nested collections. The rst one is called sri and it corresponds to sequential processing of data. The second...
In this paper, we propose an entity-based style of queries for semistructured data. First, we partition a semistructured data into subgraphs corresponding to real-world entities, ...
With the increasing popularity of the World Wide Web, the number of information sources providing access to various types of data has increased considerably. While simple data ret...
The current widespread use of location-based services and GPS technologies has revived interest in very fast and scalable shortest path queries. We introduce a new shortest path q...