1091 search results - page 146 / 219 » Approximation in Databases |
196
Voted
SIGMOD
2008
ACM
16 years 2 months ago
2008
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...
203
Voted
SIGMOD
2006
ACM
16 years 2 months ago
2006
ACM
We introduce a method to discover optimal local patterns, which concisely describe the main trends in a time series. Our approach examines the time series at multiple time scales ...
125
Voted
SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
Querying XML data is a well-explored topic with powerful databasestyle query languages such as XPath and XQuery set to become W3C standards. An equally compelling paradigm for que...
153
Voted
SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
We are inevitably moving into a realm where small and inexpensive wireless devices would be seamlessly embedded in the physical world and form a wireless sensor network in order t...
105
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
While work in recent years has demonstrated that wavelets can be efficiently used to compress large quantities of data and provide fast and fairly accurate answers to queries, lit...