835 search results - page 147 / 167 » Querying time-series streams |
TKDE
2010
14 years 8 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...
SOSP
2001
ACM
15 years 7 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, ...
MIDDLEWARE
2007
Springer
15 years 4 months ago
2007
Springer
Many wireless sensor network protocols are employing gossipbased message dissemination, where nodes probabilistically forward messages, to reduce message overhead. We are concerne...
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MOBIDE
2006
ACM
15 years 4 months ago
2006
ACM
Mobile and pervasive applications frequently rely on devices such as RFID antennas or sensors (light, temperature, motion) to provide them information about the physical world. Th...
PODS
2010
ACM
15 years 3 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...