4. The method of claim 1 , wherein identifying a time-sensitive attribute for the entity based on the attribute text comprises determining that the time-sensitive attribute is included in a list of predetermined time-sensitive attributes.
4. The method of claim 1 , wherein identifying a time-sensitive attribute for the entity based on the attribute text comprises determining that the time-sensitive attribute is included in a list of predetermined time-sensitive attributes. 5. The method of claim 4 , wherein the list of predetermined time-sensitive attributes comprises one or more of: a price; an age; an environmental condition; a person holding a title; or a time.