349 search results - page 22 / 70 » The Complexity of Querying External Memory and Streaming Dat... |
EDBT
2011
ACM
12 years 11 months ago
2011
ACM
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...
DASFAA
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract. The rapid growth in the amount of XML data and the development of publish-subscribe systems have led to great interest in processing streaming XML data. We propose the Qs...
ISAAC
2004
Springer
14 years 1 months ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
A fundamental building block of many data mining and analysis approaches is density estimation as it provides a comprehensive statistical model of a data distribution. For that re...
EDBT
2011
ACM
12 years 11 months ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...