Dictionary search based on the target word description

Usersoften experience difficulty lexicalizing the word they want to lookup or use in the text they are writing. In order to help such a userto access the desiredword we proposea novel dictionary search method where the user can enter the descri ption/definition of the target wordratherthantheworditself in orderto look it upin thedictionary. Japaneseinput is first parsedby amorphologicalanalyzer andthencompared to thedictionarydefinitionsto obtain theclosestmatching concept in the dictionary. Furthermore, the relations amongconceptsobtained from theconcept dictionaryareexploitedto improve thesystemaccuracy.