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What is Labeled Set

Chapter 16
Handbook of Research on Web Log Analysis
Set of item-label pairs. The item consists of an actual example that can be classified, and the label is the classification. In a supervised learning paradigm this set is sometimes referred to as the “training set”.
Published in Chapter:
Machine Learning Approach to Search Query Classification
Isak Taksa (Baruch College, City University of New York, USA), Sarah Zelikovitz (The College of Staten Island, City University of New York, USA), and Amanda Spink (Queensland University of Technology, Australia)
Copyright: © 2009 |Pages: 16
DOI: 10.4018/978-1-59904-974-8.ch016
Abstract
Search query classification is a necessary step for a number of information retrieval tasks. This chapter presents an approach to non-hierarchical classification of search queries that focuses on two specific areas of machine learning: short text classification and limited manual labeling. Typically, search queries are short, display little class specific information per single query and are therefore a weak source for traditional machine learning. To improve the effectiveness of the classification process the chapter introduces background knowledge discovery by using information retrieval techniques. The proposed approach is applied to a task of age classification of a corpus of queries from a commercial search engine. In the process, various classification scenarios are generated and executed, providing insight into choice, significance and range of tuning parameters.
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