6746 search results - page 512 / 1350 » Multimodal Database Query |
168
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We consider the problem of evaluating large numbers of XPath filters, each with many predicates, on a stream of XML documents. The solution we propose is to lazily construct a sin...
159
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VLDB
2005
ACM
16 years 4 days ago
2005
ACM
Processing data streams with Quality-ofService (QoS) guarantees is an emerging area in existing streaming applications. Although it is possible to negotiate the result quality and...
150
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VLDB
1998
ACM
15 years 11 months ago
1998
ACM
The goal of the COKO-KOLA project [10, 91 is to express rules of rule-basedoptimizers in a mannerpermitting verification with a theoremprover. In [IO], we consideredquerytransform...
185
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DEXA
2008
Springer
15 years 8 months ago
2008
Springer
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...
325
Voted
ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Abstract-- Answering approximate queries on string collections is important in applications such as data cleaning, query relaxation, and spell checking, where inconsistencies and e...