6. A method comprising: identifying a travelogue for location-related mining; decomposing the travelogue; representing a decomposed travelogue with a term-document matrix, wherein each word from the travelogue represents one of: a local topic; or a global topic; selecting a candidate set of travelogues based at least on the local topic; ranking the travelogues in the candidate set of travelogues based at least on the local topic; and returning travelogues in the candidate set of travelogues based at least on the ranking.
12. A method as recited in claim 6 , further comprising: determining a location-related topic corresponding to at least one of the local topic; determining a travelogue topic corresponding to each travelogue of the candidate set of travelogues; and searching among the travelogues topics corresponding to each of the candidate set of travelogues to find one or more travelogue topics similar to the location-related topic; and selecting those travelogues from the candidate set of travelogues having travelogue topics corresponding to the location-related topic.