Triple
T7700863
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Changsha South Railway Station |
E174488
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object | Changsha Maglev Express |
E626740
|
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: Changsha Maglev Express | Statement: [Changsha South Railway Station, connectedTo, Changsha Maglev Express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Changsha Maglev Express Context triple: [Changsha South Railway Station, connectedTo, Changsha Maglev Express]
-
A.
Changsha Maglev Express
chosen
Changsha Maglev Express is a medium-low speed magnetic levitation rail line in Changsha, China, providing rapid transit between the city’s urban area and Changsha Huanghua International Airport.
-
B.
Shanghai Maglev Train
The Shanghai Maglev Train is a high-speed magnetic levitation railway in Shanghai, China, renowned as one of the fastest commercial train services in the world.
-
C.
Changsha Metro
Changsha Metro is the rapid transit system serving Changsha, the capital of Hunan Province in China, providing urban rail transportation across the city and its suburbs.
-
D.
Incheon Airport Maglev
Incheon Airport Maglev is a driverless urban magnetic-levitation train line in Incheon, South Korea, providing short-distance passenger transport around Incheon International Airport.
-
E.
Guangzhou–Shenzhen–Hong Kong Express Rail Link
The Guangzhou–Shenzhen–Hong Kong Express Rail Link is a high-speed railway corridor connecting major cities in southern China with Hong Kong, significantly reducing travel times and enhancing cross-border transportation.
- 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_69c6995a72cc8190998e56daa6f8e453 |
completed | March 27, 2026, 2:51 p.m. |
| NER | Named-entity recognition | batch_69c70288d02c819093d6f0e47707d0a3 |
completed | March 27, 2026, 10:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8acb7d48c81908beceeb817857211 |
completed | March 29, 2026, 4:38 a.m. |
Created at: March 27, 2026, 4:03 p.m.