285 search results - page 48 / 57 » Optimization of Real Conjunctive Queries |
STOC
2002
ACM
14 years 7 months ago
2002
ACM
Given a set S of n points in IRd , a (t, )-approximate Voronoi diagram (AVD) is a partition of space into constant complexity cells, where each cell c is associated with t represe...
EDBT
2010
ACM
14 years 1 months ago
2010
ACM
The goal of data fusion is to combine several representations of one real world object into a single, consistent representation, e.g., in data integration. A very popular operator...
VLDB
2005
ACM
14 years 26 days ago
2005
ACM
Evaluation and applicability of many database techniques, ranging from access methods, histograms, and optimization strategies to data normalization and mining, crucially depend o...
AAAI
2008
13 years 9 months ago
2008
Changing preferences is very common in real life. The expressive power of the operations of preference change introduced so far in the literature is limited to adding new informat...
PR
2006
13 years 7 months ago
2006
For the management of digital document collections, automatic database analysis still has ties to deal with semantic queries and abstract concepts that users are looking for. When...