Triple
T4762386
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagpur Metro |
E105726
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Maharashtra Metro Rail Corporation Limited |
E466970
|
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: Maharashtra Metro Rail Corporation Limited | Statement: [Nagpur Metro, owner, Maharashtra Metro Rail Corporation Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Maharashtra Metro Rail Corporation Limited Context triple: [Nagpur Metro, owner, Maharashtra Metro Rail Corporation Limited]
-
A.
Maharashtra Metro Rail Corporation Limited
chosen
Maharashtra Metro Rail Corporation Limited is a state-owned joint venture between the Government of India and the Government of Maharashtra responsible for planning, constructing, and operating metro rail systems in Maharashtra, including the Nagpur Metro.
-
B.
Mumbai Metro One Private Limited
Mumbai Metro One Private Limited is a special purpose vehicle company responsible for operating and maintaining Mumbai Metro’s Line 1 between Versova and Ghatkopar.
-
C.
Gujarat Metro Rail Corporation Limited
Gujarat Metro Rail Corporation Limited is a state-owned company responsible for developing, operating, and maintaining metro rail systems in Gujarat, India.
-
D.
L&T Metro Rail (Hyderabad) Limited
L&T Metro Rail (Hyderabad) Limited is a special purpose vehicle of Larsen & Toubro responsible for developing, operating, and maintaining the Hyderabad Metro rail project under a public-private partnership.
-
E.
Konkan Railway Corporation Limited
Konkan Railway Corporation Limited is an Indian public sector company that builds, maintains, and operates the Konkan Railway line along India’s western coast.
- 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_69bd43f14cac819081c7c69803648211 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd651091cc81909b835439c85e842f |
completed | March 20, 2026, 3:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be43bad99c8190a170baefea057038 |
completed | March 21, 2026, 7:07 a.m. |
Created at: March 20, 2026, 1:20 p.m.