735 search results - page 71 / 147 » Evaluating Probabilistic Queries over Imprecise Data |
MOBIDE
2010
ACM
15 years 2 days ago
2010
ACM
Complex event detection over data streams has become ubiquitous through the widespread use of sensors, wireless connectivity and the wide variety of end-user mobile devices. Typic...
185
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VLDB
2005
ACM
16 years 3 days ago
2005
ACM
Abstract Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that "the sensornet is a database" i...
79
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SENSYS
2003
ACM
15 years 5 months ago
2003
ACM
Wireless sensor networks enable dense sensing of the environment, offering unprecedented opportunities for observing the physical world. Centralized data collection and analysis a...
AIRS
2006
Springer
15 years 3 months ago
2006
Springer
We report on a study that was undertaken to better identify users' goals behind web search queries by using click through data. Based on user logs which contain over 80 millio...
ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...