Creation of Lexical Relations for IndoWordNet

WordNet is an electronic lexical database available on-line as a powerful resource to the researchers in the area of computational linguistics, text processing and other related areas. WordNet for Hindi language has already been developed by IIT, Bombay. The Indian languages WordNets are being created using expansion approach from Hindi WordNet under IndoWordNet project. In expansion approach, semantic relations are borrowed from the reference language, while the lexical relations need to be created for each language, as these relations are language dependent. This paper describes the process of creation of lexical relations like antonym, compounding, conjunction and gradation for IndoWordNet. A lexical creation tool has been presented in this paper with provision to create lexical relations in target language on the basis of relations created in Hindi WordNet and with another provision to create lexical relations in target language without referring to Hindi WordNet. It has been observed that lexical relations for target language can be created easily on the basis of relations created in Hindi WordNet for Hindi in-family languages, while for the languages that do not fall in the same family provision of creation of lexical relation without referring to Hindi WordNet can be used.