492 search results - page 76 / 99 » Data Integration: Where Does the Time Go |
TVCG
2008
13 years 7 months ago
2008
Traditional geospatial information visualizations often present views that restrict the user to a single perspective. When zoomed out, local trends and anomalies become suppressed ...
ICDT
2012
ACM
11 years 9 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
SIGMOD
2012
ACM
11 years 9 months ago
2012
ACM
End-users increasingly find the need to perform light-weight, customized schema mapping. State-of-the-art tools provide powerful functions to generate schema mappings, but they u...
AMW
2009
13 years 8 months ago
2009
Abstract. Rewriting of conjunctive queries using views has many applications in database and data integration. We investigate ways to improve performance of rewriting and propose a...
NN
2002
Springer
13 years 7 months ago
2002
Springer
The ability to grow extra nodes is a potentially useful facility for a self-organising neural network. A network that can add nodes into its map space can approximate the input sp...