Query federation is a way to make use of distributed data sources on the Web, including many SPARQL endpoints as well as relational databases. SWObjects makes use of mapping rules represented as ...

Once again I've run into uncharted waters. The captain suggested that it might be prudent to hail Ars, to see if they had any advice.<BR><BR>I've got a report which requires data from the local ...

Did you know that you could calculate fields in the query in Microsoft Access? If the user wants a calculated field in a query, the user needs to input a name for the calculated field, a colon, and ...