A key improvement of the brand new rating mechanism is to replicate a extra accurate choice pertinent to popularity, pricing coverage and slot impact primarily based on exponential decay model for on-line customers. This paper studies how the net music distributor ought to set its rating policy to maximise the worth of online music ranking service. However, previous approaches often ignore constraints between slot value illustration and related slot description illustration within the latent space and lack sufficient mannequin robustness. Extensive experiments and analyses on the lightweight models show that our proposed strategies achieve significantly greater scores and considerably improve the robustness of both intent detection and slot filling. Unlike typical dialog models that depend on enormous, advanced neural community architectures and large-scale pre-skilled Transformers to attain state-of-the-art results, our technique achieves comparable outcomes to BERT and even outperforms its smaller variant DistilBERT on conversational slot extraction duties. Still, even a slight enchancment is likely to be worth the price.