Sciweavers

344 search results - page 5 / 69
» Triggers over XML views of relational data
Sort
View
SDMW
2009
Springer
14 years 1 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,...
VLDB
2005
ACM
185views Database» more  VLDB 2005»
14 years 7 months ago
Storing and querying XML data using denormalized relational databases
XML database systems emerge as a result of the acceptance of the XML data model. Recent works have followed the promising approach of building XML database management systems on un...
Andrey Balmin, Yannis Papakonstantinou
ER
2003
Springer
148views Database» more  ER 2003»
14 years 17 days ago
Improving Query Performance Using Materialized XML Views: A Learning-Based Approach
We consider the problem of improving the efficiency of query processing on an XML interface of a relational database, for predefined query workloads. The main contribution of this ...
Ashish Shah, Rada Chirkova
SIGMOD
2005
ACM
150views Database» more  SIGMOD 2005»
14 years 7 months ago
Incremental Maintenance of Path Expression Views
Caching data by maintaining materialized views typically requires updating the cache appropriately to reflect dynamic source updates. Extensive research has addressed the problem ...
Arsany Sawires, Jun'ichi Tatemura, Oliver Po, Divy...
ICDE
2010
IEEE
244views Database» more  ICDE 2010»
14 years 7 months ago
Propagating Updates Through XML Views Using Lineage Tracing
We address the problem of updating XML views over relational data by translating view updates expressed in the XQuery update facility to embedded SQL updates. Although our XML view...
Leonidas Fegaras