781 search results - page 77 / 157 » Query Processing in ROSA Data Model |
163
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ICDE
2005
IEEE
15 years 10 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
124
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LAWEB
2005
IEEE
15 years 10 months ago
2005
IEEE
With the technology advance and the growth of Internet, the information that can be found in this net, as well as the number of users that access to look for specific data is big...
142
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OOPSLA
2007
Springer
15 years 11 months ago
2007
Springer
Current real-world software applications typically involve heavy use of relational and XML data and their query languages. Unfortunately object-oriented languages and database que...
144
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ICDM
2007
IEEE
15 years 11 months ago
2007
IEEE
The convergence of embedded sensor systems and stream query processing suggests an important role for database techniques, in managing data that only partially – and often inacc...
163
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SIGIR
2009
ACM
15 years 11 months ago
2009
ACM
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...