Triple
T23516632
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Production units of Indian Railways |
E574385
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Electric Locomotive Factory Madhepura |
—
|
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: Electric Locomotive Factory Madhepura | Statement: [Production units of Indian Railways, hasPart, Electric Locomotive Factory Madhepura]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Electric Locomotive Factory Madhepura Context triple: [Production units of Indian Railways, hasPart, Electric Locomotive Factory Madhepura]
-
A.
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.
-
B.
Raipur electric loco shed
Raipur electric loco shed is a major Indian Railways facility in Raipur 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.
Bilaspur electric loco shed
Bilaspur electric loco shed is a major Indian Railways facility in Chhattisgarh responsible for housing, maintaining, and overhauling electric locomotives operating on key routes of the South East Central Railway zone.
-
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: Electric Locomotive Factory Madhepura Target entity description: Electric Locomotive Factory Madhepura is a major Indian Railways manufacturing facility in Bihar dedicated to producing high-power electric locomotives for the national rail network.
-
A.
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.
-
B.
Raipur electric loco shed
Raipur electric loco shed is a major Indian Railways facility in Raipur 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.
Bilaspur electric loco shed
Bilaspur electric loco shed is a major Indian Railways facility in Chhattisgarh responsible for housing, maintaining, and overhauling electric locomotives operating on key routes of the South East Central Railway zone.
-
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_69e245bb3dcc8190ba9a2b35972b58d0 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1aa82a8448190bf7ad56137c5eb94 |
completed | April 29, 2026, 6:51 a.m. |
Created at: April 17, 2026, 6:08 p.m.