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DATESO
2010
148views Database» more  DATESO 2010»
15 years 4 months ago
Using Spectral Clustering for Finding Students' Patterns of Behavior in Social Networks
Abstract. The high dimensionality of the data generated by social networks has been a big challenge for researchers. In order to solve the problems associated with this phenomenon,...
Gamila Obadi, Pavla Drázdilová, Jan ...
DATESO
2009
121views Database» more  DATESO 2009»
15 years 4 months ago
Five-Level Multi-Application Schema Evolution
Schema evolution has recently gained much interest in both research and practice. However, most of the existing works deal with separate aspects of the problem such as evolution of...
Martin Necaský, Irena Mlýnková...
DEXAW
2009
IEEE
114views Database» more  DEXAW 2009»
15 years 4 months ago
On Different Perspectives of XML Data Evolution
XML data evolution has recently gained much interest in both research and practice. However, most of the existing works deal with separate aspects of the problem such as evolution...
Martin Necasky, Irena Mlynkova
ICDE
2009
IEEE
125views Database» more  ICDE 2009»
15 years 4 months ago
Metric Functional Dependencies
When merging data from various sources, it is often the case that small variations in data format and interpretation cause traditional functional dependencies (FDs) to be violated,...
Nick Koudas, Avishek Saha, Divesh Srivastava, Sure...
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CORR
2011
Springer
135views Education» more  CORR 2011»
14 years 10 months ago
On the Limitations of Provenance for Queries With Difference
The annotation of the results of database transformations was shown to be very effective for various applications. Until recently, most works in this context focused on positive q...
Yael Amsterdamer, Daniel Deutch, Val Tannen