712 search results - page 63 / 143 » Decoupled Query Optimization for Federated Database Systems |
135
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DEXA
1995
Springer
15 years 6 months ago
1995
Springer
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
122
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EDBT
2010
ACM
15 years 8 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...
121
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SIGMOD
2002
ACM
15 years 2 months ago
2002
ACM
Traditional query processors generate full, accurate query results, either in batch or in pipelined fashion. We argue that this strict model is too rigid for exploratory queries o...
127
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EDBT
2010
ACM
15 years 8 months ago
2010
ACM
The wide availability of commodity multi-core systems presents an opportunity to address the latency issues that have plaqued XML query processing. However, simply executing multi...
164
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ICDE
2012
IEEE
13 years 5 months ago
2012
IEEE
—Many companies now routinely run massive data analysis jobs – expressed in some scripting language – on large clusters of low-end servers. Many analysis scripts are complex ...