Triple
T4762384
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagpur Metro |
E105726
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Maharashtra Metro Rail Corporation Limited
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.
|
E466970
|
NE FINISHED |
How this triple was built (4 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, operator, 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, operator, Maharashtra Metro Rail Corporation Limited]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Mumbai Metropolitan Region Development Authority
The Mumbai Metropolitan Region Development Authority is a government planning and development agency responsible for infrastructure, transport, and regional development across the Mumbai metropolitan area.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Maharashtra Metro Rail Corporation Limited Triple: [Nagpur Metro, operator, Maharashtra Metro Rail Corporation Limited]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Maharashtra Metro Rail Corporation Limited Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Mumbai Metropolitan Region Development Authority
The Mumbai Metropolitan Region Development Authority is a government planning and development agency responsible for infrastructure, transport, and regional development across the Mumbai metropolitan area.
- F. None of above. chosen
Provenance (5 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_69be3a81c9dc8190b9e7f399ac1de268 |
completed | March 21, 2026, 6:28 a.m. |
| NEDg | Description generation | batch_69be3b4791008190ba3f3f6e7698146f |
completed | March 21, 2026, 6:31 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be3bbe432081909bf134e1be799b58 |
completed | March 21, 2026, 6:33 a.m. |
Created at: March 20, 2026, 1:20 p.m.