We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
In implementations of non-standard database systems, large objects are often embedded within an aggregate of different types, i.e. a tuple. For a given size and access probabilit...
Recent research has made it possible to build information agents that retrieve and integrate information from the World Wide Web. Although there now exist solutions for modeling W...
Greg Barish, Dan DiPasquo, Craig A. Knoblock, Stev...
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
In several working environments, production involves repeated executions of certain procedures. A workflow describes the individual tasks performed in these procedures and their i...
Anastassia Ailamaki, Yannis E. Ioannidis, Miron Li...