Sciweavers

1248 search results - page 93 / 250
» Querying and Updating the File
Sort
View
ADC
2004
Springer
87views Database» more  ADC 2004»
14 years 3 months ago
On the Computation of Approximations of Database Queries
Reflective Relational Machines were introduced by S. Abiteboul, C. Papadimitriou and V. Vianu in 1994, as variations of Turing machines which are suitable for the computation of ...
Flavio Antonio Ferrarotti, Jose Maria Turull Torre...
SDMW
2009
Springer
14 years 4 months ago
Controlling Access to XML Documents over XML Native and Relational Databases
In this paper we investigate the feasibility and efficiency of mapping XML data and access control policies onto relational and native XML databases for storage and querying. We de...
Lazaros Koromilas, George Chinis, Irini Fundulaki,...
PPSWR
2004
Springer
14 years 3 months ago
Data Retrieval and Evolution on the (Semantic) Web: A Deductive Approach
To make use of data represented on the Semantic Web, it is necessary to provide languages for Web data retrieval and evolution. This article introduces into the (conventional and S...
François Bry, Tim Furche, Paula-Lavinia Pat...
VLDB
1994
ACM
84views Database» more  VLDB 1994»
14 years 1 months ago
A Multidatabase System for Tracking and Retrieval of Financial Data
We have built a multidatabase system to support a financial application that stores historical data used by traders to identify trends in the market. The application has an update...
Munir Cochinwala, John Bradley
ICDE
2004
IEEE
259views Database» more  ICDE 2004»
14 years 11 months ago
Querying about the Past, the Present, and the Future in Spatio-Temporal
Moving objects (e.g., vehicles in road networks) continuously generate large amounts of spatio-temporal information in the form of data streams. Efficient management of such strea...
Jimeng Sun, Dimitris Papadias, Yufei Tao, Bin Liu