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KDD
2002
ACM
119views Data Mining» more  KDD 2002»
16 years 7 months ago
Evaluating classifiers' performance in a constrained environment
In this paper, we focus on methodology of finding a classifier with a minimal cost in presence of additional performance constraints. ROCCH analysis, where accuracy and cost are i...
Anna Olecka
VLDB
2004
ACM
119views Database» more  VLDB 2004»
16 years 6 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
VLDB
2006
ACM
147views Database» more  VLDB 2006»
16 years 6 months ago
Answering queries using materialized views with minimum size
In this paper we study the following problem. Given a database and a set of queries, we want to find a set of views that can compute the answers to the queries, such that the amoun...
Rada Chirkova, Chen Li, Jia Li
VLDB
2008
ACM
147views Database» more  VLDB 2008»
16 years 6 months ago
PicShark: mitigating metadata scarcity through large-scale P2P collaboration
With the commoditization of digital devices, personal information and media sharing is becoming a key application on the pervasive Web. In such a context, data annotation rather th...
Philippe Cudré-Mauroux, Adriana Budura, Manfred H...
SIGMOD
2006
ACM
141views Database» more  SIGMOD 2006»
16 years 6 months ago
Contour map matching for event detection in sensor networks
Many sensor network applications, such as object tracking and disaster monitoring, require effective techniques for event detection. In this paper, we propose a novel event detect...
Wenwei Xue, Qiong Luo, Lei Chen 0002, Yunhao Liu