| 摘要 |
Embodiments of the present invention provide a system for identifying user activities. The system collects activity descriptions from a plurality of users, wherein a respective user is allowed to add, remove, or vote for at least one feature associated with the activity from a predetermined viewpoint. The system then identifies a user activity as a typed, stateful, and instantiated entity by detecting one or more features associated with at least one of: a type, state, and instance, of the entity.
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