Triple
T23516624
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Production units of Indian Railways |
E574385
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Rail Coach Factory Kapurthala |
—
|
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: Rail Coach Factory Kapurthala | Statement: [Production units of Indian Railways, hasPart, Rail Coach Factory Kapurthala]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rail Coach Factory Kapurthala Context triple: [Production units of Indian Railways, hasPart, Rail Coach Factory Kapurthala]
-
A.
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.
-
B.
Jagadhri railway workshop
Jagadhri railway workshop is a major Indian Railways facility in Haryana dedicated to the maintenance and repair of railway rolling stock and related infrastructure.
-
C.
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.
-
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.
Rithala Depot
Rithala Depot is a major maintenance and stabling facility serving the northern terminus of the Delhi Metro’s Red Line.
- 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: Rail Coach Factory Kapurthala Target entity description: Rail Coach Factory Kapurthala is a major Indian Railways manufacturing facility in Punjab that specializes in producing passenger rail coaches for the national rail network.
-
A.
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.
-
B.
Jagadhri railway workshop
Jagadhri railway workshop is a major Indian Railways facility in Haryana dedicated to the maintenance and repair of railway rolling stock and related infrastructure.
-
C.
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.
-
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.
Rithala Depot
Rithala Depot is a major maintenance and stabling facility serving the northern terminus of the Delhi Metro’s Red Line.
- 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.