3836 search results - page 398 / 768 » Semantics of Database Transformations |
183
click to vote
ER
2004
Springer
16 years 3 days ago
2004
Springer
Abstract. In Data Warehouse (DW) scenarios, ETL (Extraction, Transformation, Loading) processes are responsible for the extraction of data from heterogeneous operational data sourc...
186
click to vote
VLDB
1995
ACM
15 years 10 months ago
1995
ACM
Efficient processing of aggregation queries is essential for decision support applications. This paper describes a class of query transformations, called eager aggregation and lat...
182
click to vote
ER
2008
Springer
15 years 8 months ago
2008
Springer
For various applications there is the need to compare the similarity between two process models. For example, given the as-is and to-be models of a particular business process, we ...
208
click to vote
IPCV
2008
15 years 8 months ago
2008
Most of the existing image retrieval systems take the textual query from the user and utilize the metadata associated with the database images to retrieve the result. However, the...
199
click to vote
WWW
2003
ACM
16 years 7 months ago
2003
ACM
The binary form of an image does not tell what the image is about. It is possible to retrieve images from a database using pattern matching techniques, but usually textual descript...