Sciweavers

1552 search results - page 227 / 311
» Creating Database Queries by Demonstration
Sort
View
SIGMOD
2003
ACM
196views Database» more  SIGMOD 2003»
16 years 6 months ago
Spreadsheets in RDBMS for OLAP
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
Andrew Witkowski, Srikanth Bellamkonda, Tolga Bozk...
DOLAP
2004
ACM
15 years 11 months ago
Handling big dimensions in distributed data warehouses using the DWS technique
The DWS (Data Warehouse Striping) technique allows the distribution of large data warehouses through a cluster of computers. The data partitioning approach partition the facts tab...
Marco Costa, Henrique Madeira
CIKM
2009
Springer
16 years 23 days ago
A machine learning approach for improved BM25 retrieval
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...
Krysta Marie Svore, Christopher J. C. Burges
CC
2007
Springer
16 years 11 days ago
A Declarative Framework for Analysis and Optimization
DeepWeaver-1 is a tool supporting cross-cutting program analysis and transformation components, called “weaves”. Like an aspect, a DeepWeaver weave consists of a query part, an...
Henry Falconer, Paul H. J. Kelly, David M. Ingram,...
WISE
2006
Springer
16 years 5 days ago
SCEND: An Efficient Semantic Cache to Adequately Explore Answerability of Views
Maintaining a semantic cache of materialized XPath views inside or outside the database, is a novel, feasible and efficient approach to accelerate XML query processing. However, th...
Guoliang Li, Jianhua Feng, Na Ta, Yong Zhang, Lizh...