The meaning of named entity

NE categories are generally defined according to problems, such as organization name, person name, place name, etc. And time, date, quantity phrases, etc.

According to the provisions of the MUC meeting, the task of naming entities includes three subtasks:

1. Entity name, including person name, place name and organization name.

2. Time expression, including date, time and duration.

3. Numeric expressions, including currency, weights and measures, percentage and radix.

In the evaluation of 863NE in 2004, the identification tasks of named entities include:

1, Named Entity (ENAMEX), including names of people, places and institutions.

2. Time expression (TIMEX), including date and time.

3. NUMEX (Numex)