Negation detection is a technique that has often been studied in sentiment analysis. Negation words like “not”, “never”, “no” etc. can drastically change the meaning of a sentence and hence the sentiment expressed in them. Due to presence of such words, the meaning of nearby words bec...
“no” etc. can drastically change the meaning of a sentence and hence the sentiment expressed in them. Due to presence of such words, the meaning of nearby words becomes opposite. Such words are said to be in the scope of negation. Many researches have worked on detecting the scope of ...
Negation detection is a technique that has often been studied in sentiment analysis. Negation words like “not”, “never”, “no” etc. can drastically change the meaning of a sentence and hence the sentiment expressed in them. Due to presence of such words, the meaning of nearby words bec...
The need negation detection in sentiment analysis can be illustrated by the difference in the meaning of the phrases, "This is good" vs. "This is not good" However, the negations occurring in natural language are seldom so simple. Handling the negation consists of two tasks – Detection of...