Triple
T8462434
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 6 (Shanghai Metro) |
E200074
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Shanghai No. 4 Metro Operation Co., Ltd.
Shanghai No. 4 Metro Operation Co., Ltd. is a transit company responsible for operating part of the Shanghai Metro network, including Line 6.
|
E736006
|
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: Shanghai No. 4 Metro Operation Co., Ltd. | Statement: [Line 6 (Shanghai Metro), operator, Shanghai No. 4 Metro Operation Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shanghai No. 4 Metro Operation Co., Ltd. Context triple: [Line 6 (Shanghai Metro), operator, Shanghai No. 4 Metro Operation Co., Ltd.]
-
A.
Shanghai No. 1 Metro Operation Co. Ltd.
Shanghai No. 1 Metro Operation Co. Ltd. is a major urban rail operator responsible for running key lines and stations within the Shanghai Metro system.
-
B.
Shanghai No. 2 Metro Operation Co. Ltd.
Shanghai No. 2 Metro Operation Co. Ltd. is a transit company responsible for operating part of the Shanghai Metro network, including major urban and suburban rail services.
-
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.
Shanghai Municipal Transportation Commission
The Shanghai Municipal Transportation Commission is the government body responsible for planning, regulating, and overseeing Shanghai’s urban transportation systems and infrastructure.
-
E.
Shanghai Maglev Transportation Development Co., Ltd.
Shanghai Maglev Transportation Development Co., Ltd. is the company responsible for managing and operating the high-speed magnetic levitation rail service in Shanghai, 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: Shanghai No. 4 Metro Operation Co., Ltd. Triple: [Line 6 (Shanghai Metro), operator, Shanghai No. 4 Metro Operation Co., Ltd.]
Generated description
Shanghai No. 4 Metro Operation Co., Ltd. is a transit company responsible for operating part of the Shanghai Metro network, including Line 6.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Shanghai No. 4 Metro Operation Co., Ltd. Target entity description: Shanghai No. 4 Metro Operation Co., Ltd. is a transit company responsible for operating part of the Shanghai Metro network, including Line 6.
-
A.
Shanghai No. 1 Metro Operation Co. Ltd.
Shanghai No. 1 Metro Operation Co. Ltd. is a major urban rail operator responsible for running key lines and stations within the Shanghai Metro system.
-
B.
Shanghai No. 2 Metro Operation Co. Ltd.
Shanghai No. 2 Metro Operation Co. Ltd. is a transit company responsible for operating part of the Shanghai Metro network, including major urban and suburban rail services.
-
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.
Shanghai Municipal Transportation Commission
The Shanghai Municipal Transportation Commission is the government body responsible for planning, regulating, and overseeing Shanghai’s urban transportation systems and infrastructure.
-
E.
Shanghai Maglev Transportation Development Co., Ltd.
Shanghai Maglev Transportation Development Co., Ltd. is the company responsible for managing and operating the high-speed magnetic levitation rail service in Shanghai, China.
- 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_69ca83198c4c8190a337bf717d1813f5 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe4a251f08190840a7fc31ff528b5 |
completed | March 31, 2026, 3:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce39d5f50081908e273d5286a0d397 |
completed | April 2, 2026, 9:41 a.m. |
| NEDg | Description generation | batch_69ce3bf7d2748190ad7ca0649fe2cb0f |
completed | April 2, 2026, 9:50 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce3c8aac8c8190a81c2c51cd0c06e0 |
completed | April 2, 2026, 9:53 a.m. |
Created at: March 30, 2026, 6:10 p.m.