Triple
T8859371
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 15 (Shanghai Metro) |
E210846
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Shanghai Shentong Metro Group |
E201617
|
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 Shentong Metro Group | Statement: [Line 15 (Shanghai Metro), owner, Shanghai Shentong Metro Group]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shanghai Shentong Metro Group Context triple: [Line 15 (Shanghai Metro), owner, Shanghai Shentong Metro Group]
-
A.
Shanghai Shentong Metro Group
chosen
Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
-
B.
Shanghai Public Transport Group
Shanghai Public Transport Group is a major state-owned company responsible for operating and managing much of Shanghai’s urban public transportation system, particularly its extensive bus services.
-
C.
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.
-
D.
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.
-
E.
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.
- 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_69ca838bbddc8190ab546d737e5d350f |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc60e536648190ba8da1375478c24f |
completed | April 1, 2026, 12:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfab8fef348190a25e978085e8e656 |
completed | April 3, 2026, 11:59 a.m. |
Created at: March 30, 2026, 6:50 p.m.