6974 search results - page 7 / 1395 » Querying Semi-Structured Data |
TKDE
2012
11 years 10 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
12 years 11 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
12 years 11 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...
TKDE
2010
13 years 2 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...
VLDB
2011
ACM
13 years 2 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...