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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

HelaNER 2.0: A Novel Deep Neural Model for Named Entity Boundary Detection

Author 1: Y. H. P. P Priyadarshana
Author 2: L Ranathunga

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2022.0130914

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 13 Issue 9, 2022.

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Abstract: Named entity recognition (NER) is a sequential labelling task in categorizing textual nuggets into specific types. Named entity boundary detection can be recognized as a prominent research area under the NER domain which has been heavily adapted for information extraction, event extraction, information retrieval, sentiment analysis etc. Named entities (NE) can be identified as per flat NEs and nested NEs in nature and limited research attempts have been made for nested NE boundary detection. NER in low resource settings has been identified as a current trend. This research work has been scoped down to unveil the uniqueness in NE boundary detection based on Sinhala related contents which have been extracted from social media. The prime objective of this research attempt is to enhance the approach of named entity boundary detection. Considering the low resource settings, as the initial step, the linguistic patterns, complexity matrices and structures of the extracted social media statements have been analyzed further. A dedicated corpus of more than 100,000 tuples of Sinhala related social media content has been annotated by an expert panel. As per the scientific novelties, NE head word detection loss function, which was introduced in HelaNER 1.0, has been further improved and the NE boundary detection has been further enhanced through tuning up the stack pointer networks. Additionally, NE linking has been improved as a by-product of the previously mentioned enhancements. Various experimentations have been conducted, evaluated and the outcome has revealed that our enhancements have achieved the state-of-art performance over the existing baselines.

Keywords: Computational linguistics; deep neural networks; natural language processing; named entity boundary detection; named entity recognition

Y. H. P. P Priyadarshana and L Ranathunga, “HelaNER 2.0: A Novel Deep Neural Model for Named Entity Boundary Detection” International Journal of Advanced Computer Science and Applications(IJACSA), 13(9), 2022. http://dx.doi.org/10.14569/IJACSA.2022.0130914

@article{Priyadarshana2022,
title = {HelaNER 2.0: A Novel Deep Neural Model for Named Entity Boundary Detection},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2022.0130914},
url = {http://dx.doi.org/10.14569/IJACSA.2022.0130914},
year = {2022},
publisher = {The Science and Information Organization},
volume = {13},
number = {9},
author = {Y. H. P. P Priyadarshana and L Ranathunga}
}


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