Triple
T18747391
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mumbai Central railway division |
E458438
|
entity |
| Predicate | headquarters |
P62
|
FINISHED |
| Object | Mumbai Central |
—
|
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 | Statement: [Mumbai Central railway division, headquarters, Mumbai Central]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mumbai Central Context triple: [Mumbai Central railway division, headquarters, Mumbai Central]
-
A.
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.
-
B.
Mumbai CSMT
Mumbai CSMT is a historic and major railway terminus in Mumbai, India, renowned for its Victorian Gothic architecture and role as one of the country’s busiest transport hubs.
-
C.
Bandra Terminus
Bandra Terminus is a key long-distance railway station in Mumbai that serves as a major hub for trains connecting the city with various destinations across western and northern India.
-
D.
Delhi Jn
Delhi Jn is a major historic railway junction in Old Delhi that serves as one of the busiest and oldest rail hubs in India.
-
E.
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.
- 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.