Paper Citation Record · LEDGER

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese

As of 18 August 2026, this Paper Citation Record lists 36 of 36 outbound references and 1 inbound Pith citation observation for arXiv:2504.21017.

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

pith.paper-citation-record.v1
2504.21017 v2

Coverage vector

measured 36 of 36 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-16T11:41:46.392226Z

measured 37 of 37 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 2026-08-16T11:41:37.050598Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-08-16T11:41:37.234896Z

Reference resolution

36 of 36 outbound references displayed

verified exact2
verified fuzzy3
unresolved31
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation c4efb509-cd7f-4c34-bc44-99f42173c754 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 1

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.868027Z

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 5c0dc1b0-3f99-4b08-8734-0653d93036db · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 2

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.855866Z

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 1aaece34-b4b7-4d9e-b7e1-6cd60035bbf8 · outbound

This paper cites Liu, Ana Marasovi ´c, Noah A.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Liu, Ana Marasovi ´c, Noah A

Reference 3

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:46.842014Z

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 76b8a63c-400b-472f-bf21-a8df8d387d86 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 4

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.829608Z

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 30885d72-5ffc-4640-8ac3-a78a20160309 · outbound

This paper cites Sentence Extraction-Based Machine Reading Comprehension for Vietnamese.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Sentence Extraction-Based Machine Reading Comprehension for Vietnamese

Reference 5

Resolution: unresolved; no resolver link, observed 2026-08-16T11:41:46.256193Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 0cfbe2d1-7d20-48c6-a593-f3861cc87bbf · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 6

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.817611Z

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 4091aed8-3d5b-4066-ba90-61d12da24a02 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 7

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.804750Z

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 34184820-b642-48d4-b0a9-70f68ea807e5 · outbound

This paper cites Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments.

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.

Observation b3ca3f85-fc25-4163-9d1f-3aa4b6514bea · outbound

This paper cites Lê, Hai-Chung Nguyen-Phung, Thuy Thu Tran, Ngoc-Uyen Thi Nguyen, Dang-Khoi Pham Nguyen, and Thanh-Huy Nguyen.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Lê, Hai-Chung Nguyen-Phung, Thuy Thu Tran, Ngoc-Uyen Thi Nguyen, Dang-Khoi Pham Nguyen, and Thanh-Huy Nguyen

Reference 9

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:46.792137Z

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 b916b663-87f5-42b4-9d1f-36385192617c · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-16T11:41:46.278130Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 99020d92-8fe8-45d2-ba51-a0330822c722 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 11

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.771294Z

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 54d2d1bb-9a5d-4cf5-80d8-55749e8ac5a9 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 12

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.759400Z

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 d54d0b54-e828-4ccb-a1e0-53cc5b799aa2 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 13

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.747232Z

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 dab4f8de-2572-47b8-93be-b237e53f84b6 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 14

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.735220Z

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 a65813b7-32eb-428a-9e86-71364308abf6 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 15

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.723217Z

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 3e19827f-94d5-430c-81c2-4bfdb742e53a · outbound

This paper cites New Vietnamese Corpus for Machine Reading Comprehension of Health News Articles.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese New Vietnamese Corpus for Machine Reading Comprehension of Health News Articles

Reference 16

Resolution: unresolved; no resolver link, observed 2026-08-16T11:41:46.308300Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 12c6235e-93a1-4ab7-b3b0-649faa2d1c41 · outbound

This paper cites Luu, Anh Gia-Tuan Nguyen, and Ngan Luu-Thuy Nguyen.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Luu, Anh Gia-Tuan Nguyen, and Ngan Luu-Thuy Nguyen

Reference 17

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T11:41:46.711157Z

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 e67b46df-e0f7-43d9-b2bd-af868cfeb717 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 18

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.687750Z

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 8e1b236f-0edb-4f54-9927-c1d53284f5d9 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 19

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.675967Z

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 39953f30-298a-4817-ada7-d354ef52dfa7 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 20

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.663770Z

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 17cd0d85-ed6d-4703-be71-1164ce711eec · outbound

This paper cites Rapidly Bootstrapping a Question Answering Dataset for COVID-19.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Rapidly Bootstrapping a Question Answering Dataset for COVID-19

Reference 21

Resolution: verified exact; local_arxiv, observed 2026-08-16T11:41:46.445535Z

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 c6b8854b-1a4d-4084-8768-532c2d2e81ac · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 22

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.652045Z

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 972bb461-6368-47e5-9b1d-0cb7570fe069 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 23

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.640729Z

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 debd3b8f-ab71-4f0f-9b7d-0a7bfe621aef · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 24

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.628739Z

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 31645d1d-73c5-43d6-87b5-6e61f222dd31 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 25

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.616751Z

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 b4a1333d-8780-404a-b774-59fc30c77e34 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 26

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.604659Z

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 55e4d00d-1a22-4c33-92fa-c6d865487dc8 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 27

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.592961Z

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 417e3fc4-91a2-4f6d-8c77-3d43469978d5 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 28

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.567651Z

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 6bd6d132-6438-46e7-b736-246df5740846 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 29

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.555035Z

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 f9f6a41b-deb1-452f-b239-6bc3578178f9 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 30

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.580515Z

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 dc1cca63-3eea-4818-abe7-5b032066d1de · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 31

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.528820Z

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 50dd9af4-8995-4402-b1bd-826570291730 · outbound

This paper cites Masked Face Recognition Dataset and Application.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Masked Face Recognition Dataset and Application

Reference 32

Resolution: unresolved; no resolver link, observed 2026-08-16T11:41:46.375342Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 57b789d5-9be1-401c-aa19-2afd4f2df9f7 · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 34

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.542494Z

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 3b6a3b12-ff0d-4169-b6df-ac81f9a3d94f · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 36

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.516059Z

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 d8f25b84-f33c-4da1-88f9-d3eb3ad89542 · outbound

This paper cites RoBERTa: A Robustly Optimized BERT Pretraining Approach.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese RoBERTa: A Robustly Optimized BERT Pretraining Approach

Reference 2019

Resolution: unresolved; no resolver link, observed 2026-08-16T11:41:46.283026Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 65fea3ad-d026-4538-9887-b38ee3c302ec · outbound

This paper cites an unresolved cited work.

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese Unresolved cited work

Reference 2020

Resolution: unresolved; raw_fallback, observed 2026-08-16T11:41:46.699418Z

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 de8308f0-e986-4e20-b094-63c5e2e03c5b · inbound

Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments cites this paper.

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.