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» Efficient gossip-based aggregate computation
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VLDB
2004
ACM
119views Database» more  VLDB 2004»
15 years 10 months ago
Evaluating holistic aggregators efficiently for very large datasets
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
Lixin Fu, Sanguthevar Rajasekaran
ICDE
2006
IEEE
150views Database» more  ICDE 2006»
15 years 11 months ago
Efficient Aggregation of Ranked Inputs
A top-k query combines different rankings of the same set of objects and returns the k objects with the highest combined score according to an aggregate function. We bring to ligh...
Nikos Mamoulis, Kit Hung Cheng, Man Lung Yiu, Davi...
ICC
2009
IEEE
161views Communications» more  ICC 2009»
14 years 7 months ago
Energy-Efficient Itinerary Planning for Mobile Agents in Wireless Sensor Networks
Compared to conventional wireless sensor networks (WSNs) that are operated based on the client-server computing model, mobile agent (MA) systems provide new capabilities for energy...
Min Chen, Victor C. M. Leung, Shiwen Mao, Taekyoun...
CCS
2008
ACM
14 years 12 months ago
Efficient security primitives derived from a secure aggregation algorithm
By functionally decomposing a specific algorithm (the hierarchical secure aggregation algorithm of Chan et al. [3] and Frikken et al. [7]), we uncover a useful general functionali...
Haowen Chan, Adrian Perrig
SIGMOD
2008
ACM
191views Database» more  SIGMOD 2008»
15 years 10 months ago
Efficient aggregation for graph summarization
Graphs are widely used to model real world objects and their relationships, and large graph datasets are common in many application domains. To understand the underlying character...
Yuanyuan Tian, Richard A. Hankins, Jignesh M. Pate...