964 search results - page 149 / 193 » Efficiently Ordering Query Plans for Data Integration |
246
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Until recently, most data integration techniques involved central components, e.g., global schemas, to enable transparent access to heterogeneous databases. Today, however, with t...
247
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
While database management systems offer a comprehensive solution to data storage, they require deep knowledge of the schema, as well as the data manipulation language, in order to...
134
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DOLAP
2004
ACM
15 years 9 months ago
2004
ACM
Computer system sizing involves estimating the amount of hardware resources needed to support a new workload not yet deployed in a production environment. In order to determine th...
135
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IDEAS
2000
IEEE
15 years 8 months ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
138
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IPPS
2007
IEEE
15 years 10 months ago
2007
IEEE
1 The unstructured Peer-to-Peer (P2P) systems usually use a “blind search” method to find the requested data object by propagating a query to a number of peers randomly. In or...