Sentiment Analysis of Persian Documents using Optimal Transform Domain
Subject Areas : electrical and computer engineering
A.
Pourmasoumi
1
(Ferdosi University)
H.
Sadoghi Yazdi
2
(Ferdosi University)
H.
Ghaemi
3
(Ferdosi University)
Z.
Delkhasteh
4
(Ferdosi University)
Keywords: Sentiment analysis transform domain maximizing spectral energy,
Abstract :
With development of web-based interactions such as social networks, personal blogs, surveys and user comments, sentiment analysis and opinion mining has become an important research domain in computer science. Up to now, many approaches have been proposed for analysis of sense using machine learning and natural language processing techniques. In this paper, we used the distribution of words in the collection of documents as new criteria for analyzing sentiment. In proposed approach, we model an optimal transform domain over words distribution with two goals: maximizing spectral energy of class at low frequencies and maximizing spectral energy of at high frequencies. Using optimal transform domain, we can map data from frequency domain into Fourier domain and easily distinguish optimism and pessimism patterns. For this purpose, we use samples’ profiles of class which have low-frequency components. Assuming the contrast of the spectrum of two classes and, maximizing the spectral energy of class will be satisfied. We have performed this approach for English and Persian documents.
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