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» Adaptive query-based sampling for distributed IR
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SIGIR
2006
ACM
14 years 1 months ago
Adaptive query-based sampling for distributed IR
Leif Azzopardi, Mark Baillie, Fabio Crestani
INFOSCALE
2006
ACM
14 years 1 months ago
Towards better measures: evaluation of estimated resource description quality for distributed IR
An open problem for Distributed Information Retrieval systems (DIR) is how to represent large document repositories, also known as resources, both accurately and efficiently. Obt...
Mark Baillie, Leif Azzopardi, Fabio Crestani
ADC
2007
Springer
145views Database» more  ADC 2007»
14 years 1 months ago
Selectivity Estimation by Batch-Query based Histogram and Parametric Method
Histograms are used extensively for selectivity estimation and approximate query processing. Workloadaware dynamic histograms can self-tune itself based on query feedback without ...
Jizhou Luo, Xiaofang Zhou, Yu Zhang, Heng Tao Shen...