664 search results - page 47 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
107
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ISSADS
2004
Springer
15 years 5 months ago
2004
Springer
The recent emergence of handheld devices and wireless networks has implied an exponential increase of terminals users. So, today, service providers have to propose new application...
126
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DOLAP
1999
ACM
15 years 4 months ago
1999
ACM
In this paper, we describe the design of a data warehousing system for an engineering company ‘R’. This system aims to assist users in retrieving data for business analysis in...
CODES
2006
IEEE
15 years 5 months ago
2006
IEEE
We present an adaptive, feedback-based, energy estimation model for battery-powered embedded devices such as sensor network gateways and hand-held computers. Our technique maps ha...
141
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FBIT
2007
IEEE
15 years 6 months ago
2007
IEEE
In Wireless Sensor Networks (WSNs), address-based routing approaches often lead to severe problems due to node mobility, energy-saving sleep-cycles, and often missing or unreliabl...
WWW
2006
ACM
16 years 15 days ago
2006
ACM
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...