Triple
T18747401
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mumbai Central railway division |
E458438
|
entity |
| Predicate | hasMajorStation |
P1071
|
FINISHED |
| Object | Mumbai Central railway station |
—
|
NE NERFINISHED |
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: Mumbai Central railway station | Statement: [Mumbai Central railway division, hasMajorStation, Mumbai Central railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mumbai Central railway station Context triple: [Mumbai Central railway division, hasMajorStation, Mumbai Central railway station]
-
A.
New Delhi Railway Station
New Delhi Railway Station is one of India’s busiest and largest railway hubs, serving as a major gateway to the capital city and a central node in the country’s rail network.
-
B.
Mumbai Central
chosen
Mumbai Central is a major railway terminus in Mumbai, India, serving as a key hub for long-distance and suburban train services on the Western Railway network.
-
C.
Bandra railway station
Bandra railway station is a major suburban and long-distance train hub in Mumbai, India, serving the bustling Bandra neighborhood and connecting it to the wider city and region.
-
D.
Andheri railway station
Andheri railway station is a key suburban rail hub in Mumbai, India, serving as a major interchange point for commuters on the city’s Western and Metro rail networks.
-
E.
Santacruz railway station
Santacruz railway station is a key suburban rail stop in Mumbai, India, serving the Santacruz neighborhood and connecting commuters along the city’s Western Line.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8d394dc308190b6725073f5db324c |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e576936cf08190b3c0d2f4e8a616fc |
completed | April 20, 2026, 12:42 a.m. |
Created at: April 10, 2026, 11:51 a.m.