3269 search results - page 425 / 654 » Query Optimization for XML |
179
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INTERNET
2010
15 years 4 months ago
2010
 We propose a query formulation language, called MashQL for querying and mashing up structured data on the web. The novelty of MashQL is that it does not requireÂ...
199
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ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
— Uncertain data is quite common nowadays in a variety of modern database applications. At the same time, the join operation is one of the most important but expensive operations...
186
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NIS
1998
15 years 6 months ago
1998
The execution time of a large query depends mainly on the memory utilization which should avoid disk accesses for intermediate results. Poor memory management can hurt performance ...
302
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
188
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
Search queries are typically very short, which means they are often underspecified or have senses that the user did not think of. A broad latent query aspect is a set of keywords ...