6660 search results - page 138 / 1332 » Data Analysis for Query Processing |
128
Voted
ADC
2008
Springer
15 years 4 months ago
2008
Springer
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
112
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VLDB
1998
ACM
15 years 6 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
117
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WEBDB
2001
Springer
15 years 6 months ago
2001
Springer
Indexing schemes for semistructured data have been developed in recent years to optimize path query processing by summarizing path information. However, most of these schemes can ...
128
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ICCS
2001
Springer
15 years 6 months ago
2001
Springer
Abstract. In database marketing, the behavior of customers is analyzed by studying the transactions they have performed. In order to get a global picture of the behavior of a custo...
126
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ICGI
2010
Springer
15 years 3 months ago
2010
Springer
This paper presents an efficient algorithm that identifies a rich subclass of multiple context-free languages in the limit from positive data and membership queries by observing wh...