30 search results - page 2 / 6 » On the Optimal Ordering of Maps, Selections, and Joins Under... |
DASFAA
2007
IEEE
13 years 10 months ago
2007
IEEE
Abstract. In this paper, we present a novel ordered XPATH evaluation in treeunaware RDBMS. The novelties of our approach lies in the followings. (a) We propose a novel XML storage ...
BMCBI
2007
13 years 6 months ago
2007
Background: Cluster analysis has been widely applied for investigating structure in bio-molecular data. A drawback of most clustering algorithms is that they cannot automatically ...
SIGMOD
2010
ACM
13 years 11 months ago
2010
ACM
Modern maps provide a variety of information about roads and their surrounding landscape allowing navigation systems to go beyond simple shortest path computation. In this demo, w...
PEPM
2010
ACM
14 years 3 months ago
2010
ACM
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...