Research on the Changing Trend of Employment-Relevant Terms Based on Internet Big Data Analysis

With publicly-available data collected from mainstream information platforms, this study used the term frequency inverse document (TF-IDF) algorithm to detect 74 popular terms and phrases about employment, analyzed changes in ranking of these phrases, visualized changing trend attention employment skills 2017 2019. The research result will facilitate application big technology teaching administration colleges, provide a guide for college students plan their vocational skills.