255 search results - page 16 / 51 » Data mining and automatic OLAP schema generation |
PVLDB
2010
13 years 5 months ago
2010
One of the main steps towards integration or exchange of data is to design the mappings that describe the (often complex) relationships between the source schemas or formats and t...
KDD
2007
ACM
14 years 8 months ago
2007
ACM
Multinomial distributions over words are frequently used to model topics in text collections. A common, major challenge in applying all such topic models to any text mining proble...
EDM
2010
13 years 9 months ago
2010
Intelligent tutoring systems adapt to users' cognitive factors, but typically not to affective or conative factors. Crowd-sourcing may be a way to create materials that engage...
CIKM
2004
Springer
14 years 27 days ago
2004
Springer
In the recent years, the Web has been rapidly “deepened” with the prevalence of databases online. On this deep Web, many sources are structured by providing structured query i...
SIGMOD
2012
ACM
11 years 10 months ago
2012
ACM
End-users increasingly find the need to perform light-weight, customized schema mapping. State-of-the-art tools provide powerful functions to generate schema mappings, but they u...