li>
    
    <li>
      <a href="https://flink.apache.org/2020/01/29/state-unlocked-interacting-with-state-in-apache-flink/">State Unlocked: Interacting with State in Apache Flink</a>
    </li>
    
    <li>
      <a href="https://flink.apache.org/2020/01/15/advanced-flink-application-patterns-vol.1-case-study-of-a-fraud-detection-system/">Advanced Flink Application Patterns Vol.1: Case Study of a Fraud Detection System</a>
    </li>
    
    <li>
      <a href="https://flink.apache.org/2019/12/11/apache-fl