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SIGMOD
2003
ACM
146views Database» more  SIGMOD 2003»
15 years 9 months ago
Estimating Compilation Time of a Query Optimizer
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...
Ihab F. Ilyas, Jun Rao, Guy M. Lohman, Dengfeng Ga...
DATE
2004
IEEE
130views Hardware» more  DATE 2004»
15 years 1 months ago
Utilizing Formal Assertions for System Design of Network Processors
System level modeling with executable languages such as C/C++ has been crucial in the development of large electronic systems from general processors to application specific desig...
Xi Chen, Yan Luo, Harry Hsieh, Laxmi N. Bhuyan, Fe...
116
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VLDB
2001
ACM
190views Database» more  VLDB 2001»
15 years 1 months ago
LEO - DB2's LEarning Optimizer
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
Michael Stillger, Guy M. Lohman, Volker Markl, Mok...
BPSC
2010
194views Business» more  BPSC 2010»
14 years 8 months ago
Ad-hoc Management Capabilities for Distributed Business Processes
: Advanced business processes are mostly distributed and require highly flexible management capabilities. In such scenarios, process parts often leave their initiator’s direct sp...
Sonja Zaplata, Dirk Bade, Kristof Hamann, Winfried...
RIDE
1999
IEEE
15 years 1 months ago
Specification of Cooperative Constraints in Virtual Enterprise Workflow
Workflow systems are an emerging technology which have become increasingly important in the drive for business to provide better services and increase productivity. Intuitively, w...
Anne H. H. Ngu