1. Retrieval service

• Search Libraries
• E-commerce product search
• Massive system log retrieval

2. Question-and-answer service (essentially a retrieval class)

• Online intelligent customer service
• robot

3. Map service

• Taxi app
• Takeaway app
• Community group purchase and delivery
• Socializing with strangers

...

The above are just some application scenarios that I can think of. In fact, the API of Easy-Es basically covers more than 90% of the functions of Elastic Search and more than 99% of the common functions, so you can quickly build various systems based on EE, even if It is a very complex and changeable query, and you can also deal with it calmly, Trust me!