150
click to vote
DAWAK
15 years 6 months ago
2003 Springer 
Web Usage Mining is that area of Web Mining which deals with the extraction of interesting knowledge from logging information produced by web servers. In this paper, we present a s...
113
click to vote
DAWAK
15 years 6 months ago
2003 Springer 
In a data warehouse (DW) environment, when the operational environment does not posses or does not want to inform the data about the changes that occurred, controls have to be impl...
100
click to vote
DAWAK
15 years 6 months ago
2003 Springer 
On-Line Analytical Processing (OLAP) is a trend in database technology, based on the multidimensional view of data. In this paper we introduce the Cube Presentation Model (CPM), a ...
127
click to vote
DAWAK
15 years 6 months ago
2003 Springer
We introduce a new method for optimization of SQL queries with nested subqueries. The method is based on the idea of Boolean aggregates, aggregates that compute the conjunction or ...
DAWAK
15 years 6 months ago
2003 Springer
Abstract. Many SQL queries with aggregated subqueries exhibit redundancy (overlap in FROM and WHERE clauses). We propose a method, called the for-loop, to optimize such queries by ...
|
Information Technology