We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
This paper describes ProSQL, a novel prototyping tool to support the development of extensions to SQL. ProSQL provides a simple way to prototype the features of a proposed extensio...
Temporal reasoning and temporal query languages present di cult research problems of theoretical interest and practical importance. One problem is the chasm between point-based te...
Dozens of temporal extension of the relational data model and of the query language SQL have appeared in recent years. Recently, a committee formed by researchers from the academi...
Abstract. Integration of text and documents into database management systems has been the subject of much research. However, most of the approaches are limited to data retrieval. C...
Stefania Leone, Ela Hunt, Thomas B. Hodel, Michael...