2217 search results - page 16 / 444 » Rank-aware Query Optimization |
DEXA
2005
Springer
14 years 3 months ago
2005
Springer
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
— We present a tool for the static analysis of XPath queries and XML Schemas. The tool introduces techniques used in the field of verification (such as binary decision diagrams...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
In this paper, we propose DBSampler, a query execution mechanism to answer "partial selection" queries in peerto-peer databases. A partial selection query is an arbitrar...
ICDE
2007
IEEE
14 years 3 months ago
2007
IEEE
Various techniques have been developed for different query types in content-based image retrieval (CBIR) systems such as sampling queries, constrained sampling queries, multiple c...
ICDE
2000
IEEE
14 years 11 months ago
2000
IEEE
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...