Triple
T16731892
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Delhi division of Northern Railway |
E406611
|
entity |
| Predicate | managingOrganisation |
P9686
|
FINISHED |
| Object | Indian Railways |
E100843
|
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: Indian Railways | Statement: [Delhi division of Northern Railway, managingOrganisation, Indian Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Indian Railways Context triple: [Delhi division of Northern Railway, managingOrganisation, Indian Railways]
-
A.
Indian Railways
chosen
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.
-
B.
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.
-
C.
Ministry of Railways (India)
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.
-
D.
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.
-
E.
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.
- 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_69d8838f242881908abd8bc138795886 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e39c362bb88190921fab43d76c3ee8 |
completed | April 18, 2026, 2:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a009d4a94688190aabe56c34e8cc2c3 |
completed | May 10, 2026, 2:59 p.m. |
Created at: April 10, 2026, 5:20 a.m.