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» Lower Bounds on the Size of Test Data Sets
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VLDB
2003
ACM
107views Database» more  VLDB 2003»
14 years 8 months ago
A performance study of four index structures for set-valued attributes of low cardinality
The efficient retrieval of data items on set-valued attributes is an important research topic that has attracted little attention so far. We studied and modified four index structu...
Sven Helmer, Guido Moerkotte
DCC
2002
IEEE
14 years 7 months ago
Zero-Error Source Coding with Maximum Distortion Criterion
Let finite source and reproduction alphabets X and Y and a distortion measure d : X ? Y [0, ) be given. We study the minimum asymptotic rate required to describe a source distrib...
Ertem Tuncel, Prashant Koulgi, Shankar L. Regunath...
INFOCOM
2010
IEEE
13 years 5 months ago
On Computing Compression Trees for Data Collection in Wireless Sensor Networks
We address the problem of efficiently gathering correlated data from a wireless sensor network, with the aim of designing algorithms with provable optimality guarantees, and unders...
Jian Li, Amol Deshpande, Samir Khuller
GLOBECOM
2009
IEEE
13 years 5 months ago
Time-Critical Data Dissemination in Cooperative Peer-to-Peer Systems
How to rapidly disseminate a large-sized file to many recipients is a fundamental problem in many applications, such as updating software patches and distributing large scientific ...
Chi-Jen Wu, Cheng-Ying Li, Kai-Hsiang Yang, Jan-Mi...
INFOCOM
2011
IEEE
12 years 11 months ago
SelectCast: Scalable data aggregation scheme in wireless sensor networks
—In this work, for a wireless sensor network (WSN) of n randomly placed sensors with node density λ ∈ [1, n], we study the tradeoffs between the aggregation throughput and gat...
Cheng Wang, ShaoJie Tang, Xiang-Yang Li, Changjun ...