Triple
T9166287
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 18 |
E219966
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object | Shanghai Metro Type A trains |
E674998
|
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 Metro Type A trains | Statement: [Line 18, hasRollingStock, Shanghai Metro Type A trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shanghai Metro Type A trains Context triple: [Line 18, hasRollingStock, Shanghai Metro Type A trains]
-
A.
Shanghai Metro Type A trains
chosen
Shanghai Metro Type A trains are high-capacity electric multiple units used across the Shanghai Metro system, designed for heavy-traffic urban rapid transit lines such as Line 11.
-
B.
Guangzhou Metro Type B trains
Guangzhou Metro Type B trains are standard-gauge electric multiple units used across several lines of the Guangzhou Metro system to provide high-capacity urban rail transit.
-
C.
Shanghai Metro
Shanghai Metro is one of the world’s largest and busiest rapid transit systems, serving the city of Shanghai with an extensive network of urban and suburban rail lines.
-
D.
Shanghai Metro Line 18
Shanghai Metro Line 18 is a rapid transit line in the Shanghai Metro system serving areas including Yangpu District in Shanghai, China.
-
E.
Shanghai Metro Line 16
Shanghai Metro Line 16 is a suburban rapid transit line in Shanghai that primarily serves the southeastern Pudong area, connecting the city to outlying districts and popular destinations like the Dishui Lake area.
- 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_69ca83e3633c81908688a9fa2306ba99 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69ccaa3055048190870211449c78fc4e |
completed | April 1, 2026, 5:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d0548b0e6c819090ece33b9ede9fa6 |
completed | April 4, 2026, midnight |
Created at: March 30, 2026, 7:22 p.m.