The multilinguality of online information has become the major obstacle to the sharing of online information resources across nations.To overcome this obstacle,there is an urgent need fordeveloping methods and technologies of multilingual information organization and retrieval.Recent years witnessed significant progress in the research on both cross lingual and multilingual information organization and retrieval,which dates back to the 1960s but remains relatively The multilinguality of online information has become the major obstacle to the sharing of online information resources across nations .To overcome this obstacle, there is an urgent need for developmenting methods and technologies of multilingual information organization and retrieval.Recent years witnessed significant progress in the research on both cross lingual and multilingual information organization and retrieval, which dates back to the 1960s but remains relatively