Triple
T21948849
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Zhengzhou Metro |
E542007
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Zhengzhou Metro Group Co., Ltd. |
—
|
NE NERFINISHED |
How this triple was built (3 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: Zhengzhou Metro Group Co., Ltd. | Statement: [Zhengzhou Metro, operator, Zhengzhou Metro Group Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Zhengzhou Metro Group Co., Ltd. Context triple: [Zhengzhou Metro, operator, Zhengzhou Metro Group Co., Ltd.]
-
A.
China Railway Zhengzhou Group
China Railway Zhengzhou Group is a regional subsidiary of China Railway responsible for operating and managing railway services and infrastructure centered around Zhengzhou in central China.
-
B.
Shijiazhuang Metro Group
Shijiazhuang Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Shijiazhuang, China.
-
C.
Hangzhou Metro Group Co., Ltd.
Hangzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Hangzhou, China.
-
D.
Guangzhou Metro Group
Guangzhou Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Guangzhou, China.
-
E.
Kunming Rail Transit Group
Kunming Rail Transit Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Kunming, China.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Zhengzhou Metro Group Co., Ltd. Target entity description: Zhengzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Zhengzhou, China.
-
A.
China Railway Zhengzhou Group
China Railway Zhengzhou Group is a regional subsidiary of China Railway responsible for operating and managing railway services and infrastructure centered around Zhengzhou in central China.
-
B.
Shijiazhuang Metro Group
Shijiazhuang Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Shijiazhuang, China.
-
C.
Hangzhou Metro Group Co., Ltd.
Hangzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Hangzhou, China.
-
D.
Guangzhou Metro Group
Guangzhou Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Guangzhou, China.
-
E.
Kunming Rail Transit Group
Kunming Rail Transit Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Kunming, China.
- F. None of above. chosen
Provenance (2 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_69e0c47ef0e48190a50e1bcc43f4b3fd |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f1243aed048190b4342899c83b38ec |
completed | April 28, 2026, 9:18 p.m. |
Created at: April 16, 2026, 7:58 p.m.