NDLI: Cost-based labeling of groups of mass spectra

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Cost-based labeling of groups of mass spectra

Content Provider	ACM Digital Library
Author	Chen, Lei Ramakrishnan, Raghu Huang, Zheng
Abstract	We make two main contributions in this paper. First, we motivate and introduce a novel class of data mining problems that arise in labeling a group of mass spectra, specifically for analysis of atmospheric aerosols, but with natural applications to market-basket datasets. This builds upon other recent work in which we introduced the problem of labeling a single spectrum, and is motivated by the advent of a new generation of Aerosol Time-of-Flight Spectrometers, which are capable of generating mass spectra for hundreds of aerosol particles per minute. We also describe two algorithms for group labeling, which differ greatly in how they utilize a linear programming (LP) solver, and also differ greatly from algorithms for labeling a single spectrum.Our second contribution is to show how to automatically select between these two algorithms in a cost-based manner, analogous to how a query optimizer selects from a space of query plans. While the details are specific to the labeling problem, we believe that is a promising first step towards a general framework for cost-based data mining, and opens up an important direction for future search.
Starting Page	167
Ending Page	178
Page Count	12
File Format	PDF
ISBN	1581138598
DOI	10.1145/1007568.1007589
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2004-06-13
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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