3047 search results - page 146 / 610 » Aggregation functions: Means |
SIGMOD
1995
ACM
14 years 20 days ago
1995
ACM
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
GECCO
2008
Springer
13 years 10 months ago
2008
Springer
Motivated by the ability of living cells to form specific shapes and structures, we present a computational approach using distributed genetic programming to discover cell-cell i...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
AMMA
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. We present Turing Trade, a web-based game that is a hybrid of a Turing test and a prediction market. In this game, there is a mystery conversation partner, the “target,...
INFOCOM
2006
IEEE
14 years 3 months ago
2006
IEEE
— A key function for network traffic monitoring and analysis is the ability to perform aggregate queries over multiple data streams. Change detection is an important primitive w...