Archive for the Databases category

Maurizio Lenzerini
Maurizio Lenzerini

Ontology-based Data Management

Databases

Figure 1 shows a portion of a relational table contained in a real, large information system. The table concerns the customers of an organization, where each row stores data about a single customer. The first column contains her code (if the code is negative, then the record refers to a special customer, called “fictitious”), columns […]

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Gerhard Weikum
Gerhard Weikum

Where’s the Data in the Big Data Wave?

Big Data, Databases, Publication policy

Big Data should be Interesting Data! There are various definitions of Big Data; most center around a number of V’s like volume, velocity, variety, veracity – in short: interesting data (interesting in at least one aspect). However, when you look into research papers on Big Data, in SIGMOD, VLDB, or ICDE, the data that you […]

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Thomas Haigh
Thomas Haigh

Fifty Years of Databases

Databases, History

Fifty years ago a small team working to automate the business processes of the General Electric Low Voltage Switch Gear Department in Philadelphia built the first functioning prototype of a database management system. The Integrated Data Store was designed by Charles W. Bachman, who later won the ACM’s Turing Award for the accomplishment. He was […]

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