Sciweavers

867 search results - page 26 / 174
» SQL Server 2005
Sort
View
MSR
2006
ACM
14 years 2 months ago
Mining email social networks in Postgres
Open Source Software (OSS) projects provide a unique opportunity to gather and analyze publicly available historical data. The Postgres SQL server, for example, has over seven yea...
Christian Bird, Alex Gourley, Premkumar T. Devanbu...
DSS
2006
93views more  DSS 2006»
13 years 8 months ago
Implementing an agent trade server
An experimental server for stock trading autonomous agents is presented and made available, together with an agent shell for swift development. The server, written in Java, was im...
Magnus Boman, Anna Sandin
ICDE
2006
IEEE
168views Database» more  ICDE 2006»
14 years 9 months ago
Robust Cardinality and Cost Estimation for Skyline Operator
Incorporating the skyline operator inside the relational engine requires solving the cardinality estimation and the cost estimation problem, hitherto unaddressed. We propose robus...
Surajit Chaudhuri, Nilesh N. Dalvi, Raghav Kaushik
ICDE
2010
IEEE
172views Database» more  ICDE 2010»
14 years 3 months ago
Rule profiling for query optimizers and their implications
—Many modern optimizers use a transformation rule based framework. While there has been a lot of work on identifying new transformation rules, there has been little work focused ...
Surajit Chaudhuri, Leo Giakoumakis, Vivek R. Naras...
VLDB
2004
ACM
102views Database» more  VLDB 2004»
14 years 1 months ago
PIVOT and UNPIVOT: Optimization and Execution Strategies in an RDBMS
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
Conor Cunningham, Goetz Graefe, César A. Ga...