Information plays an increasingly important role in our lives. Often we retrieve this information by querying the Web: data resources found on the web may provide the information ...
Bas van Gils, Henderik Alex Proper, Patrick van Bo...
Abstract. Spreadsheets are one of the most popular end-users programming environment. Although spreadsheets provide an interactive interface for data manipulation and analysis, the...
Abstract. Ecologists spend considerable effort integrating heterogeneous data for statistical analyses and simulations, for example, to run and test predictive models. Our research...
Although there has been recent research into ways to design environments that enable end users to create their own programs, little attention has been given to helping these end u...
Margaret M. Burnett, Andrei Sheretov, Bing Ren, Gr...
We study a metamodel for the Entity Relationship (ER) and the Relational data model. We do this by describing the syntax of the ER data model by introducing classes for ER schemata...