Check if an issue is viable for analysis or should be filtered

[mantono]

    /**
     * Check if this issue contains enough textual data to actually be analyzed
     * and compared to other issues (after stop lists and are applied)
     * 
     * @return true if it is considered viable for analysis, else false.
     */
    public boolean isViable()
    {
        // logic here
    }

[mantono]

Even something as simple as if(title.size() + body.size() < 10) return false; could go quite a long way for removing potential false positives.