Triple
T6177701
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Xi'an Metro |
E137860
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Xi'an Rail Transit Group Co., Ltd.
Xi'an Rail Transit Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Xi'an, China.
|
E574496
|
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: Xi'an Rail Transit Group Co., Ltd. | Statement: [Xi'an Metro, operator, Xi'an Rail Transit Group Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Xi'an Rail Transit Group Co., Ltd. Context triple: [Xi'an Metro, operator, Xi'an Rail Transit Group Co., Ltd.]
-
A.
Beijing MTR Corporation Limited
Beijing MTR Corporation Limited is a joint-venture rail transit company responsible for operating and managing several lines of the Beijing Subway system.
-
B.
Beijing Mass Transit Railway Operation Corporation Limited
Beijing Mass Transit Railway Operation Corporation Limited is a state-owned company responsible for operating and managing much of the Beijing Subway system.
-
C.
Shanghai Shentong Metro Group
Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
-
D.
Shenzhen Metro Group
Shenzhen Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Shenzhen, China.
-
E.
Xi'an Metro
Xi'an Metro is the rapid transit system serving the city of Xi'an, China, providing urban rail transportation across the metropolitan area.
- 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: Xi'an Rail Transit Group Co., Ltd. Triple: [Xi'an Metro, operator, Xi'an Rail Transit Group Co., Ltd.]
Generated description
Xi'an Rail Transit Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Xi'an, China.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Xi'an Rail Transit Group Co., Ltd. Target entity description: Xi'an Rail Transit Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Xi'an, China.
-
A.
Beijing MTR Corporation Limited
Beijing MTR Corporation Limited is a joint-venture rail transit company responsible for operating and managing several lines of the Beijing Subway system.
-
B.
Beijing Mass Transit Railway Operation Corporation Limited
Beijing Mass Transit Railway Operation Corporation Limited is a state-owned company responsible for operating and managing much of the Beijing Subway system.
-
C.
Shanghai Shentong Metro Group
Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
-
D.
Shenzhen Metro Group
Shenzhen Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Shenzhen, China.
-
E.
Xi'an Metro
Xi'an Metro is the rapid transit system serving the city of Xi'an, China, providing urban rail transportation across the metropolitan area.
- 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_69c008a80f748190ba3d07ffc81acb29 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c05dc9f3d88190ab46b3b246f5a8df |
completed | March 22, 2026, 9:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c141bb426881908d5a1451b3619f03 |
completed | March 23, 2026, 1:35 p.m. |
| NEDg | Description generation | batch_69c1467ef4d48190b714823935318c0a |
completed | March 23, 2026, 1:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c146f59d9881908fdc6c0137f0ead7 |
completed | March 23, 2026, 1:58 p.m. |
Created at: March 22, 2026, 4:18 p.m.