Triple
T504201
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hankou Railway Station |
E10464
|
entity |
| Predicate | metroLineConnection |
P3791
|
FINISHED |
| Object | Wuhan Metro Line 2 |
E11197
|
NE FINISHED |
How this triple was built (3 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: Wuhan Metro Line 2 | Statement: [Hankou Railway Station, metroLineConnection, Wuhan Metro Line 2]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wuhan Metro Line 2 Context triple: [Hankou Railway Station, metroLineConnection, Wuhan Metro Line 2]
-
A.
Wuhan Metro
chosen
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
B.
Wuhan–Jiujiang Passenger Railway
The Wuhan–Jiujiang Passenger Railway is a high-speed rail line in China connecting Wuhan in Hubei Province with Jiujiang in Jiangxi Province, enhancing regional passenger transport along the Yangtze River corridor.
-
C.
Guangzhou Metro
Guangzhou Metro is the rapid transit system serving Guangzhou, China, forming one of the country’s largest and busiest urban rail networks.
-
D.
Wuhan–Yichang Railway
The Wuhan–Yichang Railway is a major rail line in Hubei Province, China, connecting the provincial capital Wuhan with the city of Yichang and forming an important corridor for regional passenger and freight transport.
-
E.
Hankou–Danjiangkou Railway
The Hankou–Danjiangkou Railway is a major rail line in central China connecting Wuhan’s Hankou area with Danjiangkou, supporting regional passenger and freight transport.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: metroLineConnection Context triple: [Hankou Railway Station, metroLineConnection, Wuhan Metro Line 2]
-
A.
metroLineInaugurated
Indicates that a metro line was officially opened and began operation on a specific date or during a specific event.
-
B.
hasPublicTransportConnection
chosen
Indicates that there is an available public transportation link or service connecting the related entities.
-
C.
subwayServices
Indicates that one entity provides or operates subway transportation services for another entity or area.
-
D.
railwayLine
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
E.
partOfTransitSystem
Indicates that something is a component or segment within a larger transit or transportation system.
- F. None of above.
Provenance (4 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f149bd1c81908ff58ac504ace2bf |
completed | Feb. 28, 2026, 1:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4b8a96a188190b7a6be463de3d736 |
completed | March 1, 2026, 10:07 p.m. |
| PD | Predicate disambiguation | batch_69a2edfce7a08190a408bc019de60d5d |
completed | Feb. 28, 2026, 1:30 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.