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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 19 / Book One

Text Classification by Labeling Words

February 1, 2023

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Authors

Bing Liu

Xiaoli Li

Wee Sun Lee

and Philip S. Yu

DOI:


Abstract:

Traditionally, text classifiers are built from labeled training examples. Labeling is usually done manually by human experts (or the users), which is a labor intensive and time consuming process. In the past few years, researchers investigated various forms of semi-supervised learning to reduce the burden of manual labeling. In this paper, we propose a different approach. Instead of labeling a set of documents, the proposed method labels a set of representative words for each class. It then uses these words to extract a set of documents for each class from a set of unlabeled documents to form the initial training set. The EM algorithm is then applied to build the classifier. The key issue of the approach is how to obtain a set of representative words for each class. One way is to ask the user to provide them, which is difficult because the user usually can only give a few words (which are insufficient for accurate learning). We propose a method to solve the problem. It combines clustering and feature selection. The technique can effectively rank the words in the unlabeled set according to their importance. The user then selects/labels some words from the ranked list for each class. This process requires less effort than providing words with no help or manual labeling of documents. Our results show that the new method is highly effective and promising.

Topics: AAAI

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HOW TO CITE:

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu Text Classification by Labeling Words Proceedings of the AAAI Conference on Artificial Intelligence, 19 (2004) 425.

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu Text Classification by Labeling Words AAAI 2004, 425.

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu (2004). Text Classification by Labeling Words. Proceedings of the AAAI Conference on Artificial Intelligence, 19, 425.

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu. Text Classification by Labeling Words. Proceedings of the AAAI Conference on Artificial Intelligence, 19 2004 p.425.

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu. 2004. Text Classification by Labeling Words. "Proceedings of the AAAI Conference on Artificial Intelligence, 19". 425.

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu. (2004) "Text Classification by Labeling Words", Proceedings of the AAAI Conference on Artificial Intelligence, 19, p.425

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu, "Text Classification by Labeling Words", AAAI, p.425, 2004.

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu. "Text Classification by Labeling Words". Proceedings of the AAAI Conference on Artificial Intelligence, 19, 2004, p.425.

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu. "Text Classification by Labeling Words". Proceedings of the AAAI Conference on Artificial Intelligence, 19, (2004): 425.

Bing Liu|| Xiaoli Li|| Wee Sun Lee|| and Philip S. Yu. Text Classification by Labeling Words. AAAI[Internet]. 2004[cited 2023]; 425.


ISSN:


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