Constituency Structure over Eojeol in Korean Treebanks
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Computer Science > Computation and Language
Title:Constituency Structure over Eojeol in Korean Treebanks
Abstract:The design of Korean constituency treebanks raises a central representational question concerning the choice of terminal units. Although Korean words are morphologically complex, treating morphemes as constituency terminals can obscure the distinction between word-internal morphology and phrase-level syntactic structure, and can create mismatches with eojeol-based dependency resources. This paper argues for an eojeol-based constituency representation, with morphological segmentation and fine-grained POS information encoded in a separate, non-constituent layer. A comparative analysis shows that, under explicit normalization assumptions, the Sejong, Penn Korean, and KAIST treebanks can be compared over a shared eojeol-based constituency backbone. Building on this result, we outline an eojeol-based annotation scheme that preserves interpretable constituency, supports cross-treebank comparison and constituency-dependency alignment, and provides a surface-form terminal layer for future end-to-end Korean constituency parsing.
| Comments: | To appear in Korean Linguistics, John Benjamins |
| Subjects: | Computation and Language (cs.CL) |
| Cite as: | arXiv:2512.22487 [cs.CL] |
| (or arXiv:2512.22487v2 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2512.22487
arXiv-issued DOI via DataCite
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Submission history
From: Jungyeul Park [view email][v1] Sat, 27 Dec 2025 06:12:26 UTC (26 KB)
[v2] Wed, 24 Jun 2026 00:11:36 UTC (31 KB)
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