Paper Citation Record · LEDGER

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments

As of 18 August 2026, this Paper Citation Record lists 22 of 22 outbound references and 1 inbound Pith citation observation for arXiv:2504.21016.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2504.21016 v2

Coverage vector

measured 22 of 22 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-16T11:41:37.072224Z

measured 23 of 23 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-18T06:34:40.430872+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-16T11:41:46.269091Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: pith, observed 2026-08-16T11:41:46.485709Z

Reference resolution

22 of 22 outbound references displayed

verified exact5
verified fuzzy13
unresolved4
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 3bb9c953-4082-4fdd-9692-e53fc49c7dd8 · outbound

This paper cites Banda, Ramya Tekumalla, Guanyu Wang, Jingyuan Yu, Tuo Liu, Yuning Ding, Katya Artemova, Elena Tutubalina, and Gerardo Chowell.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Banda, Ramya Tekumalla, Guanyu Wang, Jingyuan Yu, Tuo Liu, Yuning Ding, Katya Artemova, Elena Tutubalina, and Gerardo Chowell

Reference 1

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.615321Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 83ef8331-abef-4b6f-ab4d-ef2f4289cf70 · outbound

This paper cites BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding

Reference 3

Resolution: unresolved; no resolver link, observed 2026-08-16T11:41:36.987273Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 72f5b94c-8a63-416a-8c2b-e020fb837b77 · outbound

This paper cites Bidirectional LSTM-CRF Models for Sequence Tagging.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Bidirectional LSTM-CRF Models for Sequence Tagging

Reference 5

Resolution: unresolved; no resolver link, observed 2026-08-16T11:41:36.996507Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 9640681a-8e60-4963-85e1-96806d6262f5 · outbound

This paper cites Kingma and Jimmy Ba.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Kingma and Jimmy Ba

Reference 7

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.556189Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation bacf16b1-d469-4faa-8a5f-400ae92578c9 · outbound

This paper cites Improving clinical document understanding on covid-19 research with spark nlp,.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Improving clinical document understanding on covid-19 research with spark nlp,

Reference 8

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.541146Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation fb507858-1b0f-42b1-adc2-5c4b3f0d8fd0 · outbound

This paper cites an unresolved cited work.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Unresolved cited work

Reference 9

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:37.526899Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 0fdb60bb-d819-4f1b-b4f0-79ce04f0bf82 · outbound

This paper cites Trankit: A light-weight transformer-based toolkit for multilingual natural language processing.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Trankit: A light-weight transformer-based toolkit for multilingual natural language processing

Reference 11

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.511600Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation ebc084e4-dcf6-45b9-ba42-ad6f93dad4e3 · outbound

This paper cites PhoBERT: Pre-trained language models for Vietnamese.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments PhoBERT: Pre-trained language models for Vietnamese

Reference 13

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.496752Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation f1efa094-dde8-4b95-a1c9-bc0e4637fc8c · outbound

This paper cites Vlsp 2016 shared task: Named entity recognition.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Vlsp 2016 shared task: Named entity recognition

Reference 14

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.480551Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation e4f84f35-4b2d-4128-a0b0-35305e455f86 · outbound

This paper cites Tjong Kim Sang and Fien De Meulder.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Tjong Kim Sang and Fien De Meulder

Reference 19

Resolution: verified exact; raw_fallback, observed 2026-08-16T11:41:37.218032Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 7a5e81c1-d5f2-4daa-a47c-c13ff7e90c6e · outbound

This paper cites Weld, Oren Etzioni, and Se- bastian Kohlmeier.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Weld, Oren Etzioni, and Se- bastian Kohlmeier

Reference 21

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.419047Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 25f7fe63-186f-4d7e-b463-8041d8e24c89 · outbound

This paper cites Extracting covid-19 events from twitter, 2020.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Extracting covid-19 events from twitter, 2020

Reference 22

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.404735Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation a33c37d8-67f4-46a3-b8cf-e34757a66e9c · outbound

This paper cites COVID-19 Named Entity Recog- nition for Vietnamese.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments COVID-19 Named Entity Recog- nition for Vietnamese

Reference 2003

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.433935Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 71cb6305-a961-49f4-996b-fe9100bac68d · outbound

This paper cites Automatic text summariza- tion of covid-19 medical research articles using bert and gpt-2,.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Automatic text summariza- tion of covid-19 medical research articles using bert and gpt-2,

Reference 2015

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.570410Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 4329ece1-3e81-4a4b-878b-03adf8a57c9e · outbound

This paper cites A Fast and Accurate Vietnamese Word Segmenter.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments A Fast and Accurate Vietnamese Word Segmenter

Reference 2016

Resolution: verified exact; local_arxiv, observed 2026-08-16T11:41:37.259623Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 20ba372a-321f-402b-9343-0578f733ed42 · outbound

This paper cites Vlsp shared task: Named entity recognition.Journal of Computer Science and Cy- bernetics, 34(4):283–294,.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Vlsp shared task: Named entity recognition.Journal of Computer Science and Cy- bernetics, 34(4):283–294,

Reference 2017

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.464872Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 49921ea5-0abc-4feb-ae98-b680a64e8284 · outbound

This paper cites Weibo-cov: A large-scale covid-19 social media dataset from weibo,.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Weibo-cov: A large-scale covid-19 social media dataset from weibo,

Reference 2018

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.584969Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation de8308f0-e986-4e20-b094-63c5e2e03c5b · outbound

This paper cites ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese

Reference 2019

Resolution: verified exact; local_arxiv, observed 2026-08-16T11:41:37.239825Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 5a4b40d7-4d02-4d2a-8695-4bd6166bc040 · outbound

This paper cites an unresolved cited work.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Unresolved cited work

Reference 2020

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:37.599404Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 0b5c17e4-2319-4c15-94b8-4329e45396d6 · outbound

This paper cites A Feature-Based Model for Nested Named-Entity Recognition at VLSP-2018 NER Evaluation Campaign.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments A Feature-Based Model for Nested Named-Entity Recognition at VLSP-2018 NER Evaluation Campaign

Reference 2021

Resolution: verified exact; local_arxiv, observed 2026-08-16T11:41:37.279923Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation ba5c188b-910d-4400-9ad2-4b54f4ba2661 · outbound

This paper cites Exploring cross-sentence contexts for named entity recognition with bert.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments Exploring cross-sentence contexts for named entity recognition with bert

Reference 2023

Resolution: verified exact; raw_fallback, observed 2026-08-16T11:41:37.355862Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation f7582174-911a-416e-a912-ae948c58db57 · outbound

This paper cites fairseq: A fast, extensible toolkit for se- quence modeling.

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments fairseq: A fast, extensible toolkit for se- quence modeling

Reference 2025

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:37.449800Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Pith citing papers

Observation 34184820-b642-48d4-b0a9-70f68ea807e5 · inbound

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese cites this paper.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments

Reference 8

Resolution: verified exact; local_arxiv, observed 2026-08-16T11:41:46.490854Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.