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INFOCOM
2011
IEEE
12 years 11 months ago
Optimal sampling algorithms for frequency estimation in distributed data
—Consider a distributed system with n nodes where each node holds a multiset of items. In this paper, we design sampling algorithms that allow us to estimate the global frequency...
Zengfeng Huang, Ke Yi, Yunhao Liu, Guihai Chen
RSP
2005
IEEE
155views Control Systems» more  RSP 2005»
14 years 1 months ago
Optimization Techniques for ADL-Driven RTL Processor Synthesis
Nowadays, Architecture Description Languages (ADLs) are getting popular to speed up the development of complex SoC design, by performing the design space explon a higher level of ...
Oliver Schliebusch, Anupam Chattopadhyay, Ernst Ma...
INFOCOM
2009
IEEE
14 years 2 months ago
Optimal Anycast Technique for Delay-Sensitive Energy-Constrained Asynchronous Sensor Networks
Abstract—In wireless sensor networks, asynchronous sleepwake scheduling protocols can significantly reduce energy consumption without incurring the communication overhead for cl...
Joohwan Kim, Xiaojun Lin, Ness B. Shroff
ESWS
2011
Springer
12 years 11 months ago
Optimizing Query Shortcuts in RDF Databases
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
Vicky Dritsou, Panos Constantopoulos, Antonios Del...
SECON
2007
IEEE
14 years 2 months ago
Approximation Algorithm for Base Station Placement in Wireless Sensor Networks
Base station location has significant impact on network lifetime performance for a sensor network. For a multihop sensor network, this problem is particular challenging as we need ...
Yi Shi, Yiwei Thomas Hou