Triple
T13992364
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nanchang Metro |
E336612
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Nanchang Rail Transit Group Co., Ltd.
Nanchang Rail Transit Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Nanchang, China.
|
E336612
|
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: Nanchang Rail Transit Group Co., Ltd. | Statement: [Nanchang Metro, operator, Nanchang Rail Transit Group Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nanchang Rail Transit Group Co., Ltd. Context triple: [Nanchang Metro, operator, Nanchang Rail Transit Group Co., Ltd.]
-
A.
China Railway Nanchang Group
China Railway Nanchang Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in parts of southeastern China, including sections of the coastal Fujian–Guangdong corridor.
-
B.
Nanchang Metro
Nanchang Metro is the rapid transit system serving the city of Nanchang in Jiangxi Province, China.
-
C.
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.
-
D.
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.
-
E.
Chongqing Rail Transit Group
Chongqing Rail Transit Group is the state-owned company responsible for building, operating, and managing the urban rail transit network in Chongqing, China.
- 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: Nanchang Rail Transit Group Co., Ltd. Triple: [Nanchang Metro, operator, Nanchang Rail Transit Group Co., Ltd.]
Generated description
Nanchang Rail Transit Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Nanchang, China.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nanchang Rail Transit Group Co., Ltd. Target entity description: Nanchang Rail Transit Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Nanchang, China.
-
A.
China Railway Nanchang Group
China Railway Nanchang Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in parts of southeastern China, including sections of the coastal Fujian–Guangdong corridor.
-
B.
Nanchang Metro
chosen
Nanchang Metro is the rapid transit system serving the city of Nanchang in Jiangxi Province, China.
-
C.
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.
-
D.
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.
-
E.
Chongqing Rail Transit Group
Chongqing Rail Transit Group is the state-owned company responsible for building, operating, and managing the urban rail transit network in Chongqing, China.
- F. None of above.
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_69d81c639e808190a0e4b4f3d31c6a59 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2eb3b5d881909f15a1e08bb202f3 |
completed | April 14, 2026, 12:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fbac98ca448190b585ef69a4e4bfca |
completed | May 6, 2026, 9:03 p.m. |
| NEDg | Description generation | batch_69fbae8f83f481909ac16d4bb66ea79d |
completed | May 6, 2026, 9:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fbaf702c94819095347e2599ae9931 |
completed | May 6, 2026, 9:15 p.m. |
Created at: April 9, 2026, 10:19 p.m.