Triple
T14046970
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MAS |
E337980
|
entity |
| Predicate | hasFormerName |
P65
|
FINISHED |
| Object | Madras Central |
E67294
|
NE FINISHED |
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: Madras Central | Statement: [MAS, hasFormerName, Madras Central]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Madras Central Context triple: [MAS, hasFormerName, Madras Central]
-
A.
Chennai Central railway station
chosen
Chennai Central railway station is a major historic railway terminus and one of the busiest transport hubs in South India, serving as a key gateway to the city of Chennai and beyond.
-
B.
Chennai Egmore railway station
Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
-
C.
Secunderabad Junction
Secunderabad Junction is one of the major railway hubs in South India, serving as a key transit and operations center for the Hyderabad metropolitan region.
-
D.
Tiruvarur Junction
Tiruvarur Junction is a key railway station and transport hub in the town of Tiruvarur in Tamil Nadu, India, connecting several regional rail lines.
-
E.
Kalyan Junction
Kalyan Junction is a key railway hub in the Mumbai metropolitan region, serving as a major interchange point for suburban and long-distance trains across multiple routes.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d81c664e48819088cbd8f433aeffe5 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de312df37081909f45ce3e219af5dc |
completed | April 14, 2026, 12:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd192ee1ac81908663ebd2e06784f1 |
completed | May 7, 2026, 10:58 p.m. |
Created at: April 9, 2026, 10:20 p.m.