Different Levels on Sentimental Analysis

Sentimental analysis is becoming increasingly hot in the natural language processing fields. It is dealing with not only different review data, but the web social media data such as newsgroups and blogs. An effective analysis requires more than a simple bag-of-words approach. Many studies have been done on different linguistic granularities using different level of linguistic analysis.

Granularity layers

• Word
  
• Phrase
• Pattern
  
• Contextual expressions(subsentential)
• Sentence level

Linguistic Analysis Levels

• Lexical
• Syntactic Parsing
• Semantic
• Discourse