Term Frequency

Automatic text categorization is a problem of automatically assigning text documents to predefined categories. In order to classify text documents, we must extract good features from them. In previous research, …...

In this paper, experiments on automatic extraction of keywords from abstracts us- ing a supervised machine learning algo- rithm are discussed. The main point of this paper is that by …...

Domain-specific terms provide vital se- mantic information for many natural lan- guage processing (NLP) tasks and appli- cations, but remain a largely untapped re- source in the field. In this …...

AbstractThis study examines the relationship between two kinds of semantic spaces ― i.e., spaces based on term frequency (tf) and word cooccurrence frequency (co) ― and four semantic relations ― …...

. Abstract. Abstract. Abstract. In this study, we develop a document emotion analysis model by making use of the function of emotional words annotation. Eight basic emotion categories have been …...