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Database management systems deal with numerous aspects of data storage: data versioning, access control, validation, querying etc. They may do so by offering features that allow the user to specify the data model and express the desired system behaviour: SQL, tables, views, triggers, stored procedures, user-defined types and functions. These features add(More)
We use Common Crawl’s 25TB data set of web pages to construct a database of associated concepts using Hadoop. The database can be queried through a web application with two query interfaces. A textual interface allows searching for similarities and differences between multiple concepts using a query language similar to set notation, and a graphical(More)
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