Triple
T3211673
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai Central railway station |
E67294
|
entity |
| Predicate | namedAfter |
P63
|
FINISHED |
| Object | M. G. Ramachandran |
E202438
|
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: M. G. Ramachandran | Statement: [Chennai Central railway station, namedAfter, M. G. Ramachandran]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: M. G. Ramachandran Context triple: [Chennai Central railway station, namedAfter, M. G. Ramachandran]
-
A.
M. G. Ramachandran
chosen
M. G. Ramachandran was a legendary Tamil film actor and director who became one of South India’s most influential political leaders, serving as the Chief Minister of Tamil Nadu.
-
B.
Shankar Sastry
Shankar Sastry is a prominent control theorist and engineer known for his influential contributions to control systems, robotics, and cyber-physical systems, as well as his leadership roles in academia.
-
C.
K. Balaji
K. Balaji was an Indian film producer and actor known for his work in Tamil cinema and for producing several successful remakes of Hindi films.
-
D.
Narayan Apte
Narayan Apte was an Indian nationalist and co-conspirator in the assassination of Mahatma Gandhi, executed for his role in the plot.
-
E.
Kakarla Tyagabrahmam
Kakarla Tyagabrahmam, popularly known as Tyagaraja, was a seminal 18th–19th century Carnatic composer and saint whose devotional kritis to Lord Rama are central to South Indian classical music.
- 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_69ad858ac36c81909962589cd277d6e2 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69adaaba224c8190ad2f4e0ed1c2ca4a |
completed | March 8, 2026, 4:58 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b262326d508190a4a702ed549fed99 |
completed | March 12, 2026, 6:50 a.m. |
Created at: March 8, 2026, 3:07 p.m.