589 search results - page 100 / 118 » Optimized Query Evaluation Using Cooperative Sorts |
ICDE
2010
IEEE
13 years 7 months ago
2010
IEEE
A way to optimize performance of relational row store databases is to reduce the row widths by vertically partitioning tables into table fractions in order to minimize the number ...
ICDAR
2011
IEEE
12 years 7 months ago
2011
IEEE
—We propose a novel scenario called “writer retrieval” consisting in the retrieval from a set of documents all those produced by the same writer. The retrieval is based on a ...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
Given an object q, modeled by a multidimensional point, a reverse nearest neighbors (RNN) query returns the set of objects in the database that have q as their nearest neighbor. I...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
We present a method to evaluate path queries based on the novel concept of partial path instances. Our method (1) maximizes performance by means of sequential scans or asynchronou...
ALENEX
2009
13 years 5 months ago
2009
We consider the problem of finding a ranking of a set of elements that is "closest to" a given set of input rankings of the elements; more precisely, we want to find a p...