The document discusses exploring location indicators for geographic information retrieval. It defines location indicators as text segments that can infer the geographic scope of a document, such as location names, adjectives corresponding to locations, and unique entities associated with locations. It then describes normalizing location indicators by removing diacritical marks and inflections, and mapping indicators to location names. It also discusses using semantic analysis techniques like decomposing queries and answering subqueries to identify relevant documents for geographic information retrieval tasks.