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173
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SIGMOD
2012
ACM
13 years 6 months ago
2012
ACM
Big data is the tar sands of the data world: vast reserves of raw gritty data whose valuable information content can only be extracted at great cost. MapReduce is a popular parall...
133
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DEXAW
1999
IEEE
15 years 8 months ago
1999
IEEE
Recent efforts in the Conceptual Modelling community have been devoted to properly capturing time-varying information, and several proposals of temporally enhanced Entity-Relation...
150
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INFOSCALE
2007
ACM
15 years 5 months ago
2007
ACM
— The concept of Cumulated Anomaly (CA), which describes a new type of database anomalies, is addressed. A typical CA intrusion is that when a user who is authorized to modify da...
171
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SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
Central to a data cleaning system are record matching and data repairing. Matching aims to identify tuples that refer to the same real-world object, and repairing is to make a dat...
149
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SSDBM
2005
IEEE
15 years 10 months ago
2005
IEEE
As with many large organizations, the Government's data is split in many different ways and is collected at different times by different people. The resulting massive data he...