Triple
T14372284
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Songdo International Business District |
E356385
|
entity |
| Predicate | developer |
P73
|
FINISHED |
| Object |
POSCO E&C
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.
|
E1095385
|
NE FINISHED |
How this triple was built (4 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: [Songdo International Business District, developer, POSCO E&C]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: POSCO E&C Context triple: [Songdo International Business District, developer, POSCO E&C]
-
A.
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.
-
B.
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.
-
C.
Hanwha Group
Hanwha Group is a major South Korean conglomerate with diversified businesses spanning chemicals, energy, defense, finance, and construction.
-
D.
SK Group
SK Group is one of South Korea’s largest conglomerates, with diversified businesses spanning energy, telecommunications, semiconductors, and chemicals.
-
E.
Hyundai Samho Heavy Industries
Hyundai Samho Heavy Industries is a major South Korean shipbuilding company known for constructing large commercial vessels such as container ships, tankers, and LNG carriers.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: POSCO E&C Triple: [Songdo International Business District, developer, POSCO E&C]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: POSCO E&C Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Hanwha Group
Hanwha Group is a major South Korean conglomerate with diversified businesses spanning chemicals, energy, defense, finance, and construction.
-
D.
SK Group
SK Group is one of South Korea’s largest conglomerates, with diversified businesses spanning energy, telecommunications, semiconductors, and chemicals.
-
E.
Hyundai Samho Heavy Industries
Hyundai Samho Heavy Industries is a major South Korean shipbuilding company known for constructing large commercial vessels such as container ships, tankers, and LNG carriers.
- F. None of above. chosen
Provenance (5 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_69d8279163a081908aec45c0e3f1e02f |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de8fb2082c8190b42cc5f2bab4f574 |
completed | April 14, 2026, 7:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd4c5363a081909681b54c1d8218dc |
completed | May 8, 2026, 2:37 a.m. |
| NEDg | Description generation | batch_69fd4e795948819097c43e30902f1654 |
completed | May 8, 2026, 2:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd4f04d7ec819095b64d4811440166 |
completed | May 8, 2026, 2:48 a.m. |
Created at: April 10, 2026, 1:15 a.m.