688 search results - page 91 / 138 » Reverse Tree Clustering |
ER
2003
Springer
14 years 1 months ago
2003
Springer
The integration of heterogeneous legacy databases requires understanding of database structure and content. We previously developed a theoretical and software infrastructure to sup...
VLDB
1995
ACM
13 years 11 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...
DAGSTUHL
2006
13 years 9 months ago
2006
Abstract. In the context of an approach for reengineering legacy software systems at the architectural level, we present in this paper a reverse engineering methodology that uses a...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
A purely relational account of the true XQuery semantics can turn any relational database system into an XQuery processor. Compiling nested expressions of the fully compositional X...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Database queries are often exploratory and users often find their queries return too many answers, many of them irrelevant. Existing work either categorizes or ranks the results t...