A key enchancment of the brand new ranking mechanism is to reflect a extra correct choice pertinent to popularity, pricing policy and slot impact based on exponential decay mannequin for online users. This paper studies how the net music distributor ought to set its rating coverage to maximize the value of online music rating service. However, previous approaches usually ignore constraints between slot worth illustration and related slot description representation in the latent house and lack sufficient mannequin robustness. Extensive experiments and analyses on the lightweight fashions show that our proposed strategies obtain considerably greater scores and substantially improve the robustness of each intent detection and slot filling. Unlike typical dialog models that rely on big, complicated neural network architectures and huge-scale pre-trained Transformers to achieve state-of-the-art results, our technique achieves comparable results to BERT and even outperforms its smaller variant DistilBERT on conversational slot extraction tasks. Still, even a slight improvement is likely to be price the associated fee.