6974 search results - page 7 / 1395 » Querying Semi-Structured Data |
189
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TKDE
2012
12 years 12 months ago
2012
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
— An approximate string query is to find from a collection of strings those that are similar to a given query string. Answering such queries is important in many applications su...
ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
—Complex SQL queries are widely used today, but it is rather difficult to check if a complex query has been written correctly. Formal verification based on comparing a specifi...
117
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TKDE
2010
14 years 4 months ago
2010
The idea of allowing query users to relax their correctness requirements in order to improve performance of a data stream management system (e.g., location-based services and senso...
96
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VLDB
2011
ACM
14 years 4 months ago
2011
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...