1418 search results - page 181 / 284 » A Theory of Stream Queries |
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
Web search engines consistently collect information about users interaction with the system: they record the query they issued, the URL of presented and selected documents along w...
PVLDB
2008
13 years 8 months ago
2008
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...
TKDE
2010
13 years 7 months ago
2010
— The data management community has recently begun to consider declarative network routing and distributed acquisition: e.g., sensor networks that execute queries about contiguou...
ICDT
2009
ACM
14 years 10 months ago
2009
ACM
We continue the study of approximating the number of distinct elements in a data stream of length n to within a (1? ) factor. It is known that if the stream may consist of arbitra...
SOSP
2001
ACM
14 years 6 months ago
2001
ACM
We have developed a new approach for reliably multicasting timecritical data to heterogeneous clients over mesh-based overlay networks. To facilitate intelligent content pruning, ...