Protecting the Dawid–Skene algorithm against low-competence raters and collusion attacks with gold-selection strategies

More and more online communities classify contributions based on collaborative ratings of these contributions. A popular method for such a rating-based classification is the Dawid–Skene algorithm (DSA). However, despite its popularity, DSA has two major shortcomings: (1) It is vulnerable to raters with a low competence, i.e., a low probability of rating… (More)