712 search results - page 91 / 143 » Decoupled Query Optimization for Federated Database Systems |
128
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SAC
2004
ACM
15 years 8 months ago
2004
ACM
Until recently, issues in image retrieval have been handled in DBMSs and in computer vision as separate research works. Nowadays, the trend is towards integrating the two approach...
122
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EDBT
2010
ACM
15 years 5 months ago
2010
ACM
One of the most challenging tasks for the database administrator is to physically design the database to attain optimal performance for a given workload. Physical design is hard b...
132
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SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
217
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VLDB
2002
ACM
16 years 3 months ago
2002
ACM
Abstract. Several alternatives to manage large XML document collections exist, ranging from file systems over relational or other database systems to specifically tailored XML base...
142
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EDBT
2008
ACM
16 years 3 months ago
2008
ACM
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...