 Standard approaches adopt maximum likelihood estimation (MLE) and rely on sampling to ensure scalability , which reduces DCG to a task similar to language modeling.
<clarity>  Standard approaches adopt maximum likelihood estimation (MLE) and rely on sampling to ensure scalability , which reduces DCG to a task similar to language modeling.
 Standard approaches adopt maximum likelihood estimation (MLE) through sampling for better scalability and address the problem of DCG in a way similar to language modeling.