Triple
T9721471
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shanghai Metro Line 15 |
E235482
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Shanghai No. 2 Metro Operation Co., Ltd. |
E674197
|
NE FINISHED |
How this triple was built (2 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. 2 Metro Operation Co., Ltd. | Statement: [Shanghai Metro Line 15, operator, Shanghai No. 2 Metro Operation Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shanghai No. 2 Metro Operation Co., Ltd. Context triple: [Shanghai Metro Line 15, operator, Shanghai No. 2 Metro Operation Co., Ltd.]
-
A.
Shanghai No. 2 Metro Operation Co. Ltd.
chosen
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.
-
B.
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.
-
C.
Shanghai No. 3 Metro Operation Co., Ltd.
Shanghai No. 3 Metro Operation Co., Ltd. is a transit company responsible for operating and managing services on Shanghai Metro’s Line 7.
-
D.
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.
-
E.
Shanghai Shentong Metro Group
Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca84d0123c819096f9dc3b6abb0881 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9e42ce948190b52791b27c4456dc |
completed | April 1, 2026, 10:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d19fa130548190ae729487b90fa8a7 |
completed | April 4, 2026, 11:32 p.m. |
Created at: March 30, 2026, 8:20 p.m.