Triple
T20671991
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tughlakabad electric loco shed (jurisdictional association) |
E508049
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Indian Railways electric locomotive maintenance network |
—
|
NE NERFINISHED |
How this triple was built (3 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 electric locomotive maintenance network | Statement: [Tughlakabad electric loco shed (jurisdictional association), partOf, Indian Railways electric locomotive maintenance network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Indian Railways electric locomotive maintenance network Context triple: [Tughlakabad electric loco shed (jurisdictional association), partOf, Indian Railways electric locomotive maintenance network]
-
A.
Bondamunda electric loco shed
Bondamunda electric loco shed is a major electric locomotive maintenance and stabling facility of Indian Railways located at Bondamunda under the South Eastern Railway zone.
-
B.
Kanpur electric loco shed
Kanpur electric loco shed is a major Indian Railways facility in Kanpur responsible for housing, maintaining, and servicing electric locomotives operating in the region.
-
C.
Jhansi electric loco shed
Jhansi electric loco shed is a major Indian Railways facility in Jhansi responsible for housing, maintaining, and servicing electric locomotives operating in the region.
-
D.
Bhilai marshalling yard
Bhilai marshalling yard is a major railway freight yard in Bhilai, Chhattisgarh, serving as a key hub for organizing and handling heavy industrial and goods traffic on the Indian Railways network.
-
E.
Kanchrapara Railway Workshop
Kanchrapara Railway Workshop is a major Indian Railways maintenance and repair facility located in Kanchrapara, West Bengal, known for overhauling locomotives, coaches, and other rolling stock.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Indian Railways electric locomotive maintenance network Target entity description: The Indian Railways electric locomotive maintenance network is a nationwide system of specialized facilities and sheds responsible for the upkeep, repair, and overhauling of the railway’s electric locomotive fleet.
-
A.
Bondamunda electric loco shed
Bondamunda electric loco shed is a major electric locomotive maintenance and stabling facility of Indian Railways located at Bondamunda under the South Eastern Railway zone.
-
B.
Kanpur electric loco shed
Kanpur electric loco shed is a major Indian Railways facility in Kanpur responsible for housing, maintaining, and servicing electric locomotives operating in the region.
-
C.
Jhansi electric loco shed
Jhansi electric loco shed is a major Indian Railways facility in Jhansi responsible for housing, maintaining, and servicing electric locomotives operating in the region.
-
D.
Bhilai marshalling yard
Bhilai marshalling yard is a major railway freight yard in Bhilai, Chhattisgarh, serving as a key hub for organizing and handling heavy industrial and goods traffic on the Indian Railways network.
-
E.
Kanchrapara Railway Workshop
Kanchrapara Railway Workshop is a major Indian Railways maintenance and repair facility located in Kanchrapara, West Bengal, known for overhauling locomotives, coaches, and other rolling stock.
- F. None of above. chosen
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_69e0b4c1164881909a3bf1e3ddb2bc32 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6b5cb1fc88190805f623e93a70368 |
completed | April 20, 2026, 11:24 p.m. |
Created at: April 16, 2026, 11:44 a.m.