Sciweavers

173 search results - page 1 / 35
» Data exchange beyond complete data
Sort
View
PODS
2011
ACM
201views Database» more  PODS 2011»
12 years 7 months ago
Data exchange beyond complete data
In the traditional data exchange setting, source instances are restricted to be complete in the sense that every fact is either true or false in these instances. Although natural ...
Marcelo Arenas, Jorge Pérez, Juan L. Reutte...
ICDT
2009
ACM
149views Database» more  ICDT 2009»
14 years 5 months ago
Query languages for data exchange: beyond unions of conjunctive queries
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
Juan Reutter, Marcelo Arenas, Pablo Barceló
FOCI
2007
IEEE
13 years 11 months ago
Waiting time analysis of foreign currency exchange rates: Beyond the renewal-reward theorem
— We evaluate the average waiting time between observing the price of financial markets and the next price change, especially in an on-line foreign exchange trading service for ...
Naoya Sazuka, Jun-ichi Inoue
IDEAS
2002
IEEE
151views Database» more  IDEAS 2002»
13 years 9 months ago
Completing CAD Data Queries for Visualization
A system has been developed permitting database queries over data extracted from a CAD system where the query result is returned back to the CAD for visualization and analysis. Th...
Milena Gateva Koparanova, Tore Risch
BMCBI
2005
130views more  BMCBI 2005»
13 years 4 months ago
MiMiR: a comprehensive solution for storage, annotation and exchange of microarray data
Background: The generation of large amounts of microarray data presents challenges for data collection, annotation, exchange and analysis. Although there are now widely accepted f...
Mahendra Navarange, Laurence Game, Derek Fowler, V...