610 search results - page 21 / 122 » Efficient Query Evaluation on Probabilistic Databases |
163
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
193
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract-- In sensor environments and moving robot applications, the position of an object is often known imprecisely because of measurement error and/or movement of the object. In...
169
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
This work introduces novel polynomial algorithms for processing top-k queries in uncertain databases under the generally adopted model of x-relations. An x-relation consists of a n...
175
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
Similarity search in time series data is an active area of research. In this paper, we introduce the novel concept of threshold-similarity queries in time series databases which r...
KDD
1997
ACM
15 years 1 months ago
1997
ACM
Theproblemof efficiently and accurately locating patterns of interest in massivetimeseries data sets is an important and non-trivial problemin a wide variety of applications, incl...