Triple
T17820082
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (Namma Metro) |
E444957
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Bangalore Metro Rail Corporation Limited |
—
|
NE NERFINISHED |
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: [Green Line (Namma Metro), owner, 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: [Green Line (Namma Metro), owner, 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.
Bangalore Metropolitan Transport Corporation
Bangalore Metropolitan Transport Corporation is the government-run public bus agency responsible for operating urban and suburban bus services in and around Bengaluru, India.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8b9f0de78819099395b14db75a8a6 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e489101aa48190a1439d8cb683bba9 |
completed | April 19, 2026, 7:49 a.m. |
Created at: April 10, 2026, 10:15 a.m.