Machine Learning: Named Entity Recognition

In order to generate automate reports, we extract the important information from the messages - in this case, user's report. Technically, we identify, locate, and classify entities into a pre-defined categories - this called as named-entity recognition (NER) [2]. We defined our entities first: person, location, weapon, description. Maybe you're gonna ask why we define them as our entities?.

Entities

description: When reporting an emergency, you should describe what kind of emergencies you are in. This entity is a keyword stating the emergency. For example - a fire, burglar, sexual harassment, violence. location: weapon: person: