Learn Crypto and DeFi essential topics

Algorithm Application in Business:Recommendation System-Implemented a collaborative filtering algorithm in a big data environment using SQL, calculated co-visitation, and similarity matrices.-Built the final scoring order using four explainable dimensions, ensuring consensus across departments regarding the algorithm's results.-Combined multiple models to form a recommendation strategy, which significantly improved the recommendation performance(click-through rate from 1.7% to 3.5%) in the business division.Precision User Marketing-Selected critical user feature data, combined logistic regression model and LightGBM in a robust manner to predict user purchase probability-Continuously predict the probability of user purchases at key touchpoints and differentiate user intent into 7 levels.-Provide high-intent level users for precise sales outreach, achieving an absolute conversion rate increase of 1%+ and a relative increase of 25%+.Digitalize Sales Scripting System- Organize company-level script SOPs and classify them by purpose to complete the development of the full process data model.-Optimize text similarity algorithms to match chat text content with standard SOPs, achieving 95%+ SOP positioning and tracking rate.-Define evaluation core indicators and participate in designing the SOP effectiveness evaluation system.