1487 search results - page 39 / 298 » Representing and Querying Data Transformations |
101
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JDCTA
2010
14 years 8 months ago
2010
In order to solve the low efficiency problem of directly querying single node probability in the set of all ordinary XML data obtained by enumerating possible world set of the cor...
176
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ICDE
1998
IEEE
16 years 2 months ago
1998
IEEE
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
111
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DBVIS
1993
15 years 5 months ago
1993
In this paper, we present ideas how visualization technology can be used to improve the difficult process of querying very large databases. With our VisDB system, we try to provid...
139
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ICDE
2012
IEEE
13 years 3 months ago
2012
IEEE
— Uncertainties in data arise for a number of reasons: when the data set is incomplete, contains conflicting information or has been deliberately perturbed or coarsened to remov...
156
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SIGIR
2012
ACM
13 years 3 months ago
2012
ACM
Most queries in web search are ambiguous and multifaceted. Identifying the major senses and facets of queries from search log data, referred to as query subtopic mining in this pa...