Sentiment Extension

Sentiment Analysis refers to the process of determining whether a piece of writing is positive, negative or neutral. It is also known as opinion mining, deriving the opinion or deriving the attitude of a given text.

Sentiment function

Syntax	`<int> sentiment:getRate(<string> text)`
Extension Type	Function
Description	The `sentiment:getRate` is applied to some text in string format to obtain a rating as to whether it is positive, negative or neutral.
Parameters
Example	`sentiment:getRate(“"What is wrong with these people")` returns `-2`. e.g., An event stream is defined as follows. `define stream inputStream (text string);` The sentiment extension can be used as follows. `from inputStream` `select sentiment:getRate(text) as isRate` `insert into outputStream;` Here, the input is the input sentence in `STRING` format. The output is an integer determining the positive or negative aspect of the sentence.