Analyzing content has a purpose, mostly strategic. If this analysis was done by a company that deals in people relationship, they might be interested to know any new meetup so that they can connect to more people. If any meetup in city has good amount of RSVPs, there is a fair chance that 3-4 persons of the company's 'interest can be found. It usually happens during meetups. People of similar interests get to meet. What if, we can get a notification of some kind whenever a meetup is created. We can use X-Pack's alerting capabilities-watcher to mention specifically. The notification can be a log, e-mail, or some other kind supported by watcher. To learn more about watcher, refer to chapter 10, X-Pack: Alerting, Graph, and Reporting.
Let's create a watch for this use case. We would need a schedule, input, a condition, and an action, which will be used to notify us:
Schedule: Assuming that one iteration takes place in one hour and data is updated, we will keep interval for our...