Triple
T14347237
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (Namma Metro) |
E355757
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Bangalore Metro Rail Corporation Limited |
E1092731
|
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: Bangalore Metro Rail Corporation Limited | Statement: [Blue Line (Namma Metro), operator, Bangalore Metro Rail Corporation Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bangalore Metro Rail Corporation Limited Context triple: [Blue Line (Namma Metro), operator, Bangalore Metro Rail Corporation Limited]
-
A.
Bangalore Metro Rail Corporation Limited
chosen
Bangalore Metro Rail Corporation Limited is the joint venture public sector company responsible for developing, operating, and expanding the Namma Metro rapid transit system in Bengaluru, India.
-
B.
Hyderabad Metro Rail Limited
Hyderabad Metro Rail Limited is the public sector company responsible for developing, operating, and maintaining the Hyderabad Metro rapid transit system in Hyderabad, India.
-
C.
Bangalore Metro
Bangalore Metro is a rapid transit system serving the city of Bengaluru, India, providing an elevated and underground rail network to ease urban transportation and reduce traffic congestion.
-
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.
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.
- 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_69d82790a7e08190877e2d349b2e8d8e |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de8e8b81bc8190ace2a575faf55cc0 |
completed | April 14, 2026, 6:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd4c4145c081909832e2334a064fb0 |
completed | May 8, 2026, 2:36 a.m. |
Created at: April 10, 2026, 1:14 a.m.