1072 search results - page 114 / 215 » Two approaches to the integration of heterogeneous data ware... |
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
ESWA
2008
13 years 9 months ago
2008
We address the problem of integrating web taxonomies from different real Internet applications. Integrating web taxonomies is to transfer instances from a source to target taxonom...
SSDBM
2008
IEEE
14 years 3 months ago
2008
IEEE
Random sampling is a popular technique for providing fast approximate query answers, especially in data warehouse environments. Compared to other types of synopses, random sampling...
IEICET
2010
13 years 7 months ago
2010
We address the problem of perceived age estimation from face images, and propose a new semi-supervised approach involving two novel aspects. The first novelty is an efficient act...
ICIS
1998
13 years 10 months ago
1998
Many organizations are in the process of replacing legacy systems with large, integrated systems using new technological platforms. Accurate estimation of project resources requir...