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Spatio-Temporal Data Aggregation Query Algorithm in Wireless Sensor Networks(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2008年04期
Page:
39-42
Research Field:
Publishing date:

Info

Title:
Spatio-Temporal Data Aggregation Query Algorithm in Wireless Sensor Networks
Author(s):
Xu Yan; Sun Yan
School of Mathematics and Computer Science,Nanjing Normal University,Nanjing 210097,China
Keywords:
w ire less sensor network;  spatio- tem po ra ; l data aggrega tion;  WSNB-TREE
PACS:
TP212.9;TN929.5
DOI:
-
Abstract:
In th is paper, based-on attr ibute- cluster, a new spatio- tem po ra l data aggregation query algor ithm is proposed. Da ta agg regation uses c luste rs asW SNB-TREE’s storage object. Areas wh ich are covered by w ire less sensor network are d iv ided into attr ibute- clusters. The data of the homogene ity sensors are easy to do rea-l time statistics and segm enta l query. Areas wh ich a con firm ed in advance are div ided into a few data aggreg ation c lusters, then the da ta o f the he terogene-i ty sensors a re aggreg ated. H ence, less tim e is taken to filter out the even ts wh ich a re needed to be quer ied, and then spa tio-tempora l data aggrega tion que ries are conducted in the who le netwo rk.

References:

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Last Update: 2013-04-24