We demonstrate a visual based XML-Relational database system where XML data is managed by commercial RDBMS. A query interface enables users to form path expression based queries a...
We describe a meta-querying system for databases containing queries in addition to ordinary data. In the context of such databases, a meta-query is a query about queries. Represen...
Jan Van den Bussche, Stijn Vansummeren, Gottfried ...
Recently, a number of papers have been published showing the benefits of column stores over row stores. However, the research comparing the two in an "apples-to-apples" ...
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...
Ixent Galpin, Christian Y. A. Brenninkmeijer, Farh...
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...