The association of timestamps with various data items such as tuples or attribute values is fundamental to the management of time-varying information. Using intervals in timestamp...
Natural language interfaces to databases are considered one of the best alternatives for final users who wish to make complex, uncommon and frequent queries, which is a very common...
M. Jose A. Zarate, Rodolfo A. Pazos, Alexander F. ...
Abstract. We survey work on statically type checking XML transformations, covering a wide range of notations and ambitions. The concept of type may vary from idealizations of DTD t...
: Entities in engineering design databases need to evolve in both structure and behavior. Such a need is not well addressed by object-oriented data models based on the class concep...
Abstract. In Data Warehouse (DW) scenarios, ETL (Extraction, Transformation, Loading) processes are responsible for the extraction of data from heterogeneous operational data sourc...