708 search results - page 77 / 142 » A Genetic Algorithm for Database Query Optimization |
184
click to vote
DASFAA
2010
IEEE
15 years 8 months ago
2010
IEEE
This paper studies a new query on uncertain data, called k-selection query. Given an uncertain dataset of N objects, where each object is associated with a preference score and a p...
249
click to vote
ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
211
click to vote
VLDB
2007
ACM
16 years 4 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
123
click to vote
SAC
2009
ACM
15 years 11 months ago
2009
ACM
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...
136
Voted
SEMWEB
2004
Springer
15 years 10 months ago
2004
Springer
Abstract. Increasing the number of peers in a peer-to-peer network usually increases the number of answers to a given query as well. While having more answers is nice in principle,...