A key enchancment of the brand new ranking mechanism is to reflect a more accurate desire pertinent to reputation, pricing policy and slot impact based mostly on exponential decay model for on-line customers. This paper research how the net music distributor should set its rating coverage to maximise the worth of online music rating service. However, previous approaches typically ignore constraints between slot value representation and related slot description illustration in the latent house and lack sufficient model robustness. Extensive experiments and analyses on the lightweight fashions show that our proposed methods achieve significantly greater scores and substantially improve the robustness of each intent detection and slot filling. Unlike typical dialog fashions that rely on big, advanced neural network architectures and huge-scale pre-educated Transformers to achieve state-of-the-artwork outcomes, our method achieves comparable results to BERT and even outperforms its smaller variant DistilBERT on conversational slot extraction duties. Still, even a slight improvement may be value the cost.