321 search results - page 19 / 65 » A Blackboard Architecture for Query Optimization in Object B... |
DPD
2002
14 years 9 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
SIGMOD
2012
ACM
13 years 4 days ago
2012
ACM
How-To queries answer fundamental data analysis questions of the form: “How should the input change in order to achieve the desired output”. As a Reverse Data Management probl...
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SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
Recent data stream systems such as TelegraphCQ have employed the well-known property of duality between data and queries. In these systems, query processing methods are classified...
EDBT
2010
ACM
15 years 2 months ago
2010
ACM
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
ADBIS
2010
Springer
14 years 10 months ago
2010
Springer
Abstract. The last years there is an increasing interest for query processing techniques that take into consideration the dominance relationship between objects to select the most ...