Triple
T14127569
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Beijing Mass Transit Railway Operation Corporation Limited |
E340072
|
entity |
| Predicate | subsidiaryOf |
P254
|
FINISHED |
| Object | Beijing Subway system |
E12220
|
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: Beijing Subway system | Statement: [Beijing Mass Transit Railway Operation Corporation Limited, subsidiaryOf, Beijing Subway system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Beijing Subway system Context triple: [Beijing Mass Transit Railway Operation Corporation Limited, subsidiaryOf, Beijing Subway system]
-
A.
Beijing Subway
chosen
The Beijing Subway is one of the world’s largest and busiest rapid transit systems, forming the backbone of public transportation in China’s capital city.
-
B.
Beijing Suburban Railway
Beijing Suburban Railway is a commuter rail network serving the greater Beijing metropolitan area, connecting urban districts with surrounding suburban regions.
-
C.
Beijing Subway Line 16
Beijing Subway Line 16 is a rapid transit line in Beijing’s subway network that runs generally north–south, connecting the city’s northern suburbs with central and southwestern districts.
-
D.
Beijing MTR
Beijing MTR is a railway and metro operating company responsible for running several lines of the Beijing Subway in partnership with the city government.
-
E.
Beijing Subway Line 15
Beijing Subway Line 15 is a major east–west rapid transit line in Beijing that serves northern parts of the city, connecting key residential and technology hub areas including sections of Haidian District.
- 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_69d81c6a95b481909e39111e0c1f31ee |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de6098013c8190b1bac9d3fff60acd |
completed | April 14, 2026, 3:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd8aa0e98c81908f6b55a04cd72871 |
completed | May 8, 2026, 7:02 a.m. |
Created at: April 9, 2026, 10:22 p.m.