17. A non-transitory computer-readable medium storing instructions, the instructions comprising: one or more instructions which, when executed by one or more processors, cause the one or more processors to identify a source that published a document, the source corresponding to an entity that publishes documents; one or more instructions which, when executed by the one or more processors, cause the one or more processors to determine a measure of importance of the source that published the document, the one or more instructions to determine the measure of importance of the source including: one or more instructions to determine whether content of the document includes subject matter that is associated with a geographic region, and one or more instructions to determine whether the source is associated with a geographic region that matches the geographic region associated with the subject matter, the measure of importance of the source being determined based on determining whether the source is associated with a geographic region that matches the geographic region associated with the subject matter included in the content of the document, the measure of importance of the source exceeding a measure of importance of one or more different sources that publish documents when: the source is associated with a geographic region that matches the geographic region associated with the subject matter included in the content of the document, and the one or more different sources are associated with a geographic region that does not match the geographic region associated with the subject matter included the content of the document; and one or more instructions which, when executed by the one or more processors, cause the one or more processors to rank the document against at least one other document, based on one or more factors, the one or more factors including the determined measure of importance of the source, the at least one other document being published by another source.
17. A non-transitory computer-readable medium storing instructions, the instructions comprising: one or more instructions which, when executed by one or more processors, cause the one or more processors to identify a source that published a document, the source corresponding to an entity that publishes documents; one or more instructions which, when executed by the one or more processors, cause the one or more processors to determine a measure of importance of the source that published the document, the one or more instructions to determine the measure of importance of the source including: one or more instructions to determine whether content of the document includes subject matter that is associated with a geographic region, and one or more instructions to determine whether the source is associated with a geographic region that matches the geographic region associated with the subject matter, the measure of importance of the source being determined based on determining whether the source is associated with a geographic region that matches the geographic region associated with the subject matter included in the content of the document, the measure of importance of the source exceeding a measure of importance of one or more different sources that publish documents when: the source is associated with a geographic region that matches the geographic region associated with the subject matter included in the content of the document, and the one or more different sources are associated with a geographic region that does not match the geographic region associated with the subject matter included the content of the document; and one or more instructions which, when executed by the one or more processors, cause the one or more processors to rank the document against at least one other document, based on one or more factors, the one or more factors including the determined measure of importance of the source, the at least one other document being published by another source. 20. The non-transitory computer-readable medium of claim 17 , where the instructions further include: one or more instructions to receive a search query; and one or more instructions to select the document based on receiving the search query; where the one or more instructions to determine the measure of importance of the source further include: one or more instructions to determine whether the search query is associated with a geographic region that matches the geographic region associated with the source.