Triple
T22441791
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chengdu Metro Line 1 |
E554769
|
entity |
| Predicate | formerTerminusSouth |
P28772
|
FINISHED |
| Object | Guangdu station |
—
|
NE NERFINISHED |
How this triple was built (4 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: Guangdu station | Statement: [Chengdu Metro Line 1, formerTerminusSouth, Guangdu station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Guangdu station Context triple: [Chengdu Metro Line 1, formerTerminusSouth, Guangdu station]
-
A.
Gucheng station
Gucheng station is a subway station in Beijing that serves passengers on the city’s Line 1 metro route.
-
B.
Shangdi station
Shangdi station is a stop on Beijing's Subway Line 13 serving the Shangdi high-tech and residential area in the city's Haidian District.
-
C.
Xinzhuang station
Xinzhuang station is a metro station in New Taipei, Taiwan, serving passengers on Taipei Metro’s Zhonghe–Xinlu line.
-
D.
Guomao station
Guomao station is a major interchange hub on the Beijing Subway, serving the central business district and connecting key metro lines.
-
E.
Tiantongyuan station
Tiantongyuan station is a subway station in Beijing, China, serving the northern residential area of Tiantongyuan on the city's metro network.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Guangdu station Target entity description: Guangdu station is a metro station in Chengdu, China, that once served as the southern terminus of Chengdu Metro Line 1 before the line was extended further south.
-
A.
Gucheng station
Gucheng station is a subway station in Beijing that serves passengers on the city’s Line 1 metro route.
-
B.
Shangdi station
Shangdi station is a stop on Beijing's Subway Line 13 serving the Shangdi high-tech and residential area in the city's Haidian District.
-
C.
Xinzhuang station
Xinzhuang station is a metro station in New Taipei, Taiwan, serving passengers on Taipei Metro’s Zhonghe–Xinlu line.
-
D.
Guomao station
Guomao station is a major interchange hub on the Beijing Subway, serving the central business district and connecting key metro lines.
-
E.
Tiantongyuan station
Tiantongyuan station is a subway station in Beijing, China, serving the northern residential area of Tiantongyuan on the city's metro network.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: formerTerminusSouth Context triple: [Chengdu Metro Line 1, formerTerminusSouth, Guangdu station]
-
A.
terminusSouthNear
Indicates that the southern end or terminus of one entity is located close to another entity.
-
B.
terminusSouthState
Indicates that the southern endpoint or terminus of an entity (such as a route or line) is located in a specified state.
-
C.
terminusSouthConnection
Indicates a connection where one entity serves as the southern terminus or endpoint of another entity.
-
D.
formerTerminusFor
chosen
Indicates that a location once served as the endpoint or final stop of a route, line, or service, but no longer holds that status.
-
E.
southernTerminusVariant
Indicates a variant or alternative form of the southern endpoint or terminus of something (such as a route, line, or boundary).
- F. None of above.
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_69e11e5010e48190ae1e9c9db9697637 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15ae2f7608190b1c1e8bd12ca2162 |
completed | April 29, 2026, 1:12 a.m. |
| PD | Predicate disambiguation | batch_69e898a327948190beee5e168006a0a7 |
completed | April 22, 2026, 9:45 a.m. |
Created at: April 16, 2026, 8:47 p.m.