Sciweavers

2001 search results - page 31 / 401
» Dynamic Materialized Views
Sort
View
VC
2008
93views more  VC 2008»
13 years 7 months ago
Real-time editing and relighting of homogeneous translucent materials
Existing techniques for fast, high-quality rendering of translucent materials often fix BSSRDF parameters at precomputation time. We present a novel method for accurate rendering a...
Rui Wang 0004, Ewen Cheslack-Postava, Rui Wang 000...
SDMW
2007
Springer
14 years 1 months ago
Query Rewriting Algorithm Evaluation for XML Security Views
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
Nataliya Rassadko
DAWAK
1999
Springer
13 years 11 months ago
Heuristic Algorithms for Designing a Data Warehouse with SPJ Views
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over relations that are stored in distributed heterogeneous databases. The selection of views for...
Spyros Ligoudistianos, Timos K. Sellis, Dimitri Th...
SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
14 years 7 months ago
ARCube: supporting ranking aggregate queries in partially materialized data cubes
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
Tianyi Wu, Dong Xin, Jiawei Han
VLDB
2001
ACM
90views Database» more  VLDB 2001»
13 years 12 months ago
Update Propagation Strategies for Improving the Quality of Data on the Web
Dynamically generated web pages are ubiquitous today but their high demand for resources creates a huge scalability problem at the servers. Traditional web caching is not able to ...
Alexandros Labrinidis, Nick Roussopoulos