481 search results - page 16 / 97 » Approximate XML Query Answers |
122
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PLANX
2008
15 years 4 months ago
2008
We investigate the complexity of earliest query answering for n-ary node selection queries defined by streaming tree automata (STAs). We elaborate an algorithm that selects query ...
135
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EWSN
2006
Springer
16 years 2 months ago
2006
Springer
In this paper, we present a method for approximating the values of sensors in a wireless sensor network based on time series forecasting. More specifically, our approach relies on ...
95
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VLDB
1999
ACM
15 years 7 months ago
1999
ACM
165
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PERCOM
2005
ACM
15 years 8 months ago
2005
ACM
A distributed system for approximate query answering on sensor network data is proposed, where a suitable compression technique is exploited to represent data and support query an...
136
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CIKM
2009
Springer
15 years 9 months ago
2009
Springer
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...