Browsing by Author "Narang, Ashish"

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    Creation of lexical relations for indoWordNet
    (Association for Computational Linguistics, 2014-01) Narang, Ashish
    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 al-ready been developed by IIT, Bombay. The Indian languages WordNets are being created using expansion approach from Hindi Word-Net under IndoWordNet project. In expan-sion approach, semantic relations are bor-rowed from the reference language, while the lexical relations need to be created for each language, as these relations are language de-pendent. 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 Word-Net and with another provision to create lexi-cal relations in target language without refer-ring to Hindi WordNet. It has been observed that lexical relations for target language can be created easily on the basis of relations cre-ated 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.
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    Development of Punjabi WordNet
    (Springer, 2013-12) Narang, Ashish
    Natural language processing (NLP) tasks such as word sense disambiguation, machine translation (MT) and part-of-speech tagging etc. require large scale lexical resources. These lexical resources have already been developed for digitally advanced languages, such as English, but yet to be developed for widely spoken but digitally young languages, such as Punjabi. WordNet is one such lexical resource that can be used for variety of NLP tasks ranging from digital dictionary to automated MT. The basic building block of WordNet is synset, a word sense with which one or more synonymous words are associated. Each synset in WordNet is linked to other synsets using lexical and semantic relations. Lexical relations are between word forms, whereas semantic relations exist between two whole synsets. This paper presents lexical and semantic relations of Punjabi WordNet, including synonymy, hypernymy/hyponymy, meronymy/holonomy, entailment and troponymy etc. It also illustrates the process of creation of Punjabi synsets from Hindi synsets, design of synsets and semantic databases for implementation of semantic relations for Punjabi WordNet