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This contributed volume discusses in detail the process of construction of a WordNet of 18 Indian languages, called "Indradhanush" ( rainbow ) in Hindi. It delves into the major challenges involved in developing a WordNet in a multilingual country like India, where the information spread across the languages needs utmost care in processing, synchronization and representation. The project has emerged from the need of millions of people to have access to relevant content in their native languages, and it provides a common interface for information sharing and reuse across the Indian languages.

The chapters discuss important methods and strategies of language computation, language data processing, lexical selection and management, and language-specific synset collection and representation, which are of utmost value for the development of a WordNet in any language. The volume overall gives a clear picture of how WordNet is developed in Indian languages and how this can be utilized in similar projects for other languages. It includes illustrations, tables, flowcharts, and diagrams for easy comprehension.

This volume is of interest to researchers working in the areas of language processing, machine translation, word sense disambiguation, culture studies, language corpus generation, language teaching, dictionary compilation, lexicographic queries, cross-lingual knowledge sharing, e-governance, and many other areas of linguistics and language technology.

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Chapter 1. IndoWordNet Pushpak Bhattacharyya.- Chapter 2. Insights on Hindi WordNet Coming from the IndoWordNet Laxmi Kashyap, Salil Rajeev Joshi and Pushpak Bhattacharyya .- Chapter 3. Defining Language Specific Synset (LSS) in IndoWorNet: Some Theoretical and Practical Issues Niladri Sekhar Dash.- Chapter 4. Problems in Translating Hindi Synsets into the Bangla WordNet Niladri Sekhar Dash.- Chapter 5. Development of Punjabi WordNet, Bilingual Dictionaries, Lexical Relations Creation and its Challenges R.K. Sharma and Parteek Kumar.- Chapter 6. Insights on the Konkani WordNet Development Process Shilpa N. Desai, Shantaram W. Walawalikar, Ramdas N. Karmali, and Jyoti D. Pawar.- Chapter 7. Malayalam WordNet S. Rajendran and K. P. Soman.- Chapter 8. Creating Marathi WordNet Lata Popale and Pushpak Bhattacharyya.- Chapter 9. Gujarati WordNet: A Profile of the IndoWordNet Brijesh S. Bhatt, C. K. Bhensdadia, Pushpak Bhattacharyya, Dinesh Chauhan and Kirit Patel.- Chapter 10. Issues in the Creation of Synsets in Odia WordNet: A Report Panchanan Mohanty, Ramesh C. Malik and Bhimasena Bhol.- Chapter 11. Building Telugu WordNet using Expansion Approach S. Arulmozi and M.C. Kesava Murty.- Chapter 12. Challenges, Problems and Issues Faced in Language Specific Synset Creation and Linkage in the Kashmiri WordNet Aadil Amin Kak, Farooq Ahmad, Nazima Mehdi, Mansoor Farooq, and Muneera Hakim.- Chapter 13. Language Specific Synsets and Challenges in Synset Linkage in Urdu WordNet Rizwanur Rahman, Mazhar Mehdi Hussain and Niladri Sekhar Dash.- Chapter 14. Sanskrit Wordnet at IITB Malhar Kulkarni.- Chapter 15. Word Sense Disambiguation Using IndoWordNet Sudha Bhingardive and Pushpak Bhattacharyya.- Appendix I: The Team of the IndoWordNet.

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