1. A method comprising: identifying, by a computing device, appearances of a plurality of geographical names in a document, the plurality of geographical names including a first geographical name and a second geographical name; determining one or more frequencies of the first geographical name's appearances in the document; assigning one or more positional weights to the first geographical name according to positions of the first geographical name's appearances in the document, the assigning including: identifying one or more position types where the first geographical name appears in the document, assigning a same position type to a first instance of the first geographical name and a first instance of the second geographical name in response to determining that the first instance of the first geographical name and the first instance of the second geographical name are within a same paragraph of the document; and assigning a respective positional weight to each position type where the first geographical name appears in the document; and computing a score of the first geographical name based on the one or more frequencies and the one or more positional weights of the first geographical name.