Sciweavers

1654 search results - page 248 / 331
» Ontology Based Query Processing in Database Management Syste...
Sort
View
DEXA
2009
Springer
175views Database» more  DEXA 2009»
15 years 10 months ago
RoK: Roll-Up with the K-Means Clustering Method for Recommending OLAP Queries
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
Fadila Bentayeb, Cécile Favre
CIKM
2008
Springer
15 years 5 months ago
Content-based filtering for efficient online materialized view maintenance
Real-time materialized view maintenance has become increasingly popular, especially in real-time data warehousing and data streaming environments. Upon updates to base relations, ...
Gang Luo, Philip S. Yu
106
Voted
ICIAP
1997
ACM
15 years 7 months ago
Image Retrieval by Color Regions
—A major research subject in image databases is to support efficient and effective access to images based on their visual content. In color image databases, this requires to sup...
Alberto Del Bimbo, Mauro Mugnaini, Pietro Pala, F....
141
Voted
CIKM
2006
Springer
15 years 7 months ago
Cache-oblivious nested-loop joins
We propose to adapt the newly emerged cache-oblivious model to relational query processing. Our goal is to automatically achieve an overall performance comparable to that of fine-...
Bingsheng He, Qiong Luo
DBPL
1999
Springer
98views Database» more  DBPL 1999»
15 years 7 months ago
Ozone: Integrating Structured and Semistructured Data
Applications have an increasing need to manage semistructured data such as data encoded in XML along with conventional structured data. We extend the structured object database ...
Tirthankar Lahiri, Serge Abiteboul, Jennifer Widom