Triple
T22131935
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Central Railway |
E546923
|
entity |
| Predicate | hasLocoShed |
P18851
|
FINISHED |
| Object | Tughlakabad electric loco shed |
—
|
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: Tughlakabad electric loco shed | Statement: [North Central Railway, hasLocoShed, Tughlakabad electric loco shed]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tughlakabad electric loco shed Context triple: [North Central Railway, hasLocoShed, Tughlakabad electric loco shed]
-
A.
Tughlakabad electric loco shed (jurisdictional association)
chosen
Tughlakabad electric loco shed (jurisdictional association) is an Indian Railways electric locomotive maintenance and stabling facility operating under the jurisdiction of the North Central 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.
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.
-
D.
Rithala Depot
Rithala Depot is a major maintenance and stabling facility serving the northern terminus of the Delhi Metro’s Red Line.
-
E.
Tatanagar electric loco shed
Tatanagar electric loco shed is a major Indian Railways facility at Tatanagar responsible for housing, maintaining, and servicing electric locomotives operating on the South Eastern Railway network.
- 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_69e11e39bf348190b541bfa16a7b71e0 |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f1298746888190967b4e3ae0558e9e |
completed | April 28, 2026, 9:41 p.m. |
Created at: April 16, 2026, 8:32 p.m.