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» Design of Experiments via Information Theory
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SIGIR
2006
ACM
15 years 7 months ago
A statistical method for system evaluation using incomplete judgments
We consider the problem of large-scale retrieval evaluation, and we propose a statistical method for evaluating retrieval systems using incomplete judgments. Unlike existing techn...
Javed A. Aslam, Virgiliu Pavlu, Emine Yilmaz
DOLAP
2000
ACM
15 years 6 months ago
CUBIST: A New Algorithm For Improving the Performance of Ad-hoc OLAP Queries
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
Lixin Fu, Joachim Hammer
200
Voted
SIGMOD
2009
ACM
213views Database» more  SIGMOD 2009»
16 years 2 months ago
Dictionary-based order-preserving string compression for main memory column stores
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
Carsten Binnig, Stefan Hildenbrand, Franz Fär...
MOBISYS
2011
ACM
14 years 4 months ago
Exploiting FM radio data system for adaptive clock calibration in sensor networks
Clock synchronization is critical for Wireless Sensor Networks (WSNs) due to the need of inter-node coordination and collaborative information processing. Although many message pa...
Liqun Li, Guoliang Xing, Limin Sun, Wei Huangfu, R...
MMSEC
2006
ACM
195views Multimedia» more  MMSEC 2006»
15 years 7 months ago
Image annotation watermarking: nested object embedding using hypergraph model
In this paper, we introduce to the special domain of image annotation watermarking, based on embedding of hierarchical data related to objects into user-selected areas on an image...
Claus Vielhauer, Maik Schott