Triple
T15631867
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | POSCO Holdings |
E375833
|
entity |
| Predicate | parentCompanyOf |
P254
|
FINISHED |
| Object | POSCO E&C |
E1095385
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: POSCO E&C | Statement: [POSCO Holdings, parentCompanyOf, POSCO E&C]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: POSCO E&C Context triple: [POSCO Holdings, parentCompanyOf, POSCO E&C]
-
A.
POSCO E&C
chosen
POSCO E&C is a South Korean engineering and construction company known for developing large-scale urban projects and infrastructure, including the Songdo International Business District.
-
B.
Korea Electric Power Corporation
Korea Electric Power Corporation is South Korea’s largest electric utility company, responsible for the generation, transmission, and distribution of electricity domestically and active in energy projects abroad.
-
C.
Hanwha Engineering & Construction
Hanwha Engineering & Construction is a South Korean construction and engineering company known for undertaking large-scale international projects, including major stadiums and infrastructure developments.
-
D.
POSCO International
POSCO International is a South Korean trading and investment company that serves as the global business arm of the POSCO Group, focusing on steel, energy, and various industrial sectors.
-
E.
POSCO Holdings
POSCO Holdings is a South Korean multinational steelmaking and materials conglomerate that serves as the holding company of the POSCO group, one of the world’s largest steel producers.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d85cd035a48190b73d5579ab73969a |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04eb536348190b93ed3c178d1ffb8 |
completed | April 16, 2026, 2:51 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff6ed079e48190b86ad7b66755fc1c |
completed | May 9, 2026, 5:28 p.m. |
Created at: April 10, 2026, 4:14 a.m.