3225 search results - page 172 / 645 » Query Optimization by Stored Queries |
SIGMOD
2012
ACM
12 years 17 days ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
DEBS
2007
ACM
14 years 2 months ago
2007
ACM
Queries for composite events typically involve the four complementary dimensions of event data, event composition, relationships between events (esp. temporal and causal), and acc...
WSDM
2009
ACM
14 years 4 months ago
2009
ACM
A lot of the world’s knowledge is stored in books, which, as a result of recent mass-digitisation efforts, are increasingly available online. Search engines, such as Google Book...
VLDB
2002
ACM
14 years 10 months ago
2002
ACM
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
ICDE
2012
IEEE
12 years 16 days ago
2012
IEEE
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...