This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
Abstract-Unstructured text represents a large fraction of the world's data. It often contain snippets of structured information within them (e.g., people's names and zip ...
Daisy Zhe Wang, Eirinaios Michelakis, Joseph M. He...
Type-and-effect systems are a natural approach for statically reasoning about a program’s execution. They have been used to track a variety of computational effects, for example...
— Information extraction systems are traditionally implemented as a pipeline of special-purpose processing modules. A major drawback of such an approach is that whenever a new ex...
ion is a critical concept that underlies many topics in computing science. For example, in software engineering, the distinction between a component’s behavior and its implement...