Triple
T14667091
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai MRTS |
E344405
|
entity |
| Predicate | governingAuthority |
P46
|
FINISHED |
| Object | Ministry of Railways, Government of India |
E137474
|
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: Ministry of Railways, Government of India | Statement: [Chennai MRTS, governingAuthority, Ministry of Railways, Government of India]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ministry of Railways, Government of India Context triple: [Chennai MRTS, governingAuthority, Ministry of Railways, Government of India]
-
A.
Ministry of Railways (India)
chosen
The Ministry of Railways (India) is the central government ministry responsible for the policy, planning, development, and regulation of Indian Railways, one of the world’s largest rail networks.
-
B.
Indian Railways
Indian Railways is India’s state-owned national railway system, operating one of the world’s largest rail networks for passenger and freight transport across the country.
-
C.
Rail Vikas Nigam Limited
Rail Vikas Nigam Limited is an Indian government-owned company responsible for implementing and fast-tracking rail infrastructure and capacity enhancement projects across the Indian Railways network.
-
D.
Indian Railways Service of Engineers
The Indian Railways Service of Engineers is a prestigious Group ‘A’ central engineering cadre responsible for planning, constructing, and maintaining the civil engineering infrastructure of Indian Railways.
-
E.
Indian Railway Traffic Service
The Indian Railway Traffic Service is a prestigious Group 'A' civil service responsible for managing the transportation, commercial operations, and safety of train services on Indian Railways.
- 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_69d822e283fc8190a0e4c235cf880052 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69deb54dda1c8190bf16d17e26a2bba6 |
completed | April 14, 2026, 9:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fdd5e63e6c8190ba67776719f2ff0c |
completed | May 8, 2026, 12:24 p.m. |
Created at: April 10, 2026, 1:27 a.m.