21993 search results - page 236 / 4399 » Evolution of Data Models |
170
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NCA
2007
IEEE
15 years 6 months ago
2007
IEEE
Based on independent component analysis (ICA) and self-organizing maps (SOM), this paper proposes an ISOM-DH model for the incomplete data’s handling in data mining. Under these ...
180
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LAWEB
2003
IEEE
15 years 11 months ago
2003
IEEE
So far, conceptual modeling of Web applications has been used primarily in the upper part of the life cycle, as a driver for system analysis. Little attention has been put on expl...
157
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JSW
2007
15 years 6 months ago
2007
— Software is often constructed using a layered approach to encapsulate various functionality in corresponding layers. Individual requirements of each layer demand layer specifi...
170
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ICEIS
2002
IEEE
15 years 11 months ago
2002
IEEE
: The World-Wide-Web contains data that cannot be constrained by a schema. Another source for such data is heterogenous corporate systems which are integrated in order to get bette...
169
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CAISE
2008
Springer
15 years 8 months ago
2008
Springer
Abstract. The model management operator ModelGen translates a schema expressed in one modelling language into an equivalent schema expressed in another modelling language, and in a...