Triple
T23222206
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rochor |
E580923
|
entity |
| Predicate | containsMRTStation |
P39430
|
FINISHED |
| Object | Rochor MRT 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: Rochor MRT station | Statement: [Rochor, containsMRTStation, Rochor MRT station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rochor MRT station Context triple: [Rochor, containsMRTStation, Rochor MRT station]
-
A.
Ximen MRT Station
Ximen MRT Station is a major Taipei Metro interchange and busy commercial hub serving the Ximending shopping and entertainment area in Taipei, Taiwan.
-
B.
Marsiling MRT station
Marsiling MRT station is an above-ground Mass Rapid Transit station on Singapore’s North South Line serving the residential town of Woodlands.
-
C.
HarbourFront MRT station
HarbourFront MRT station is a major Mass Rapid Transit interchange in Singapore serving the HarbourFront and VivoCity area, and acting as a key gateway to Sentosa Island.
-
D.
Tuas Crescent MRT station
Tuas Crescent MRT station is an elevated Mass Rapid Transit station on Singapore’s East West Line that serves the industrial Tuas area in the far west of the island.
-
E.
Kent Ridge MRT station
Kent Ridge MRT station is an underground Mass Rapid Transit station in Singapore serving the Kent Ridge area, including the National University of Singapore and nearby research and medical facilities.
- 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: Rochor MRT station Target entity description: Rochor MRT station is an underground Mass Rapid Transit station in Singapore serving the Downtown Line near the Bugis and Little India areas.
-
A.
Ximen MRT Station
Ximen MRT Station is a major Taipei Metro interchange and busy commercial hub serving the Ximending shopping and entertainment area in Taipei, Taiwan.
-
B.
Marsiling MRT station
Marsiling MRT station is an above-ground Mass Rapid Transit station on Singapore’s North South Line serving the residential town of Woodlands.
-
C.
HarbourFront MRT station
HarbourFront MRT station is a major Mass Rapid Transit interchange in Singapore serving the HarbourFront and VivoCity area, and acting as a key gateway to Sentosa Island.
-
D.
Tuas Crescent MRT station
Tuas Crescent MRT station is an elevated Mass Rapid Transit station on Singapore’s East West Line that serves the industrial Tuas area in the far west of the island.
-
E.
Kent Ridge MRT station
Kent Ridge MRT station is an underground Mass Rapid Transit station in Singapore serving the Kent Ridge area, including the National University of Singapore and nearby research and medical facilities.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: containsMRTStation Context triple: [Rochor, containsMRTStation, Rochor MRT station]
-
A.
hasStationAt
Indicates that an entity maintains or operates a station located at a specified place.
-
B.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
C.
hasInterchangeStationWith
Indicates that two transportation lines, routes, or systems share a station where passengers can transfer between them.
-
D.
hasMetroStations
chosen
Indicates that a place or area is served by one or more metro (subway) stations.
-
E.
hasMetroTerminus
Indicates that one location serves as the terminal (end) station of a metro line for another location.
- 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_69e246043c48819089bae72c9a9c306c |
completed | April 17, 2026, 2:39 p.m. |
| NER | Named-entity recognition | batch_69f1922a452c81909b48df157643f6bd |
completed | April 29, 2026, 5:07 a.m. |
| PD | Predicate disambiguation | batch_69effcccee508190a7ae311fdd319806 |
completed | April 28, 2026, 12:18 a.m. |
Created at: April 17, 2026, 4:08 p.m.