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VLDB
2005
ACM
126views Database» more  VLDB 2005»
14 years 2 months ago
Consistently Estimating the Selectivity of Conjuncts of Predicates
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
Volker Markl, Nimrod Megiddo, Marcel Kutsch, Tam M...
FOSSACS
2004
Springer
14 years 2 months ago
safeDpi: A Language for Controlling Mobile Code
safeDpi is a distributed version of the Picalculus, in which processes are located at dynamically created sites. Parametrised code may be sent between sites using so-called ports, ...
Matthew Hennessy, Julian Rathke, Nobuko Yoshida
WWW
2010
ACM
14 years 2 months ago
Data summaries for on-demand queries over linked data
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
Andreas Harth, Katja Hose, Marcel Karnstedt, Axel ...
PODC
2003
ACM
14 years 2 months ago
Performing work with asynchronous processors: message-delay-sensitive bounds
This paper considers the problem of performing tasks in asynchronous distributed settings. This problem, called DoAll, has been substantially studied in synchronous models, but th...
Dariusz R. Kowalski, Alexander A. Shvartsman
ATAL
2003
Springer
14 years 2 months ago
Optimizing information exchange in cooperative multi-agent systems
Decentralized control of a cooperative multi-agent system is the problem faced by multiple decision-makers that share a common set of objectives. The decision-makers may be robots...
Claudia V. Goldman, Shlomo Zilberstein