128 search results - page 6 / 26 » Plan Selection Based on Query Clustering |
CSMR
2000
IEEE
14 years 3 days ago
2000
IEEE
This paper presents a technique for recovering the high level design of legacy software systems according to user defined architectural plans. Architectural plans are represented...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
IAT
2009
IEEE
14 years 2 months ago
2009
IEEE
—In recent years, there has been a move toward supporting the human element of Web search beyond a simple query box and a ranked list of search results. In this paper, we present...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
DBA
2006
13 years 9 months ago
2006
In order to facilitate query processing, the information contained in data warehouses is typically stored as a set of materialized views. Deciding which views to materialize prese...