[jira] [Updated] (STANBOL-1151) SentimentClassifier needs the PosTag when classifiering a word

["Rupert Westenthaler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STANBOL-1151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rupert Westenthaler updated STANBOL-1151:
-----------------------------------------

    Issue Type: Improvement  (was: Bug)
    
> SentimentClassifier needs the PosTag when classifiering a word
> --------------------------------------------------------------
>
>                 Key: STANBOL-1151
>                 URL: https://issues.apache.org/jira/browse/STANBOL-1151
>             Project: Stanbol
>          Issue Type: Improvement
>            Reporter: Rupert Westenthaler
>            Assignee: Rupert Westenthaler
>
> The SentimentClassifier interface needs to be changed in a way that the PosTag for the current word is also parsed to the 
>     public double classifyWord(String word);
> method. The reason for that is that the same word might have a different meaning for different POS tags.
> An example is the German word 
> * gefahren (past for to drive)
> * Gefahren (plural for Danger)
> While the verb does not have an sentiment assigned the Noun has the following entry
>     Gefahr|NN	-1.0	Gefahren
> because of that the SentimentClassifier currently incorrectly assigns a sentiment value of '-1' even if the word is used as verb in the text.
> This will also require to adapt the implementation to support using the POS tag when looking up the words in the vocabulary

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