Title
Algorithms for Active Classifier Selection: Maximizing Recall with Precision Constraints.
Abstract
Software applications often use classification models to trigger specialized experiences for users. Search engines, for example, use query classifiers to trigger specialized \"instant answer\" experiences where information satisfying the user query is shown directly on the result page, and email applications use classification models to automatically move messages to a spam folder. When such applications have acceptable default (i.e., non-specialized) behavior, users are often more sensitive to failures in model precision than failures in model recall. In this paper, we consider model-selection algorithms for these precision-constrained scenarios. We develop adaptive model-selection algorithms to identify, using as few samples as possible, the best classifier from among a set of (precision) qualifying classifiers. We provide statistical correctness and sample complexity guarantees for our algorithms. We show with an empirical validation that our algorithms work well in practice.
Year
DOI
Venue
2017
10.1145/3018661.3018730
WSDM
Keywords
Field
DocType
guaranteed precision, efficient evaluation, model selection
Data mining,Computer science,Correctness,Software,Artificial intelligence,Classifier (linguistics),Search engine,Information retrieval,Algorithm,Model selection,Instant answer,Sample complexity,Recall,Machine learning
Conference
Citations 
PageRank 
References 
1
0.36
8
Authors
4
Name
Order
Citations
PageRank
Paul N. Bennett1150087.93
David Maxwell Chickering22462529.52
Christopher Meek362.77
Xiaojin Zhu43586222.74