Triple
T7428885
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Eastern Railway |
E171434
|
entity |
| Predicate | hasLocoShed |
P18851
|
FINISHED |
| Object |
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.
|
E663690
|
NE FINISHED |
How this triple was built (4 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: Tatanagar electric loco shed | Statement: [South Eastern Railway, hasLocoShed, Tatanagar electric loco shed]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tatanagar electric loco shed Context triple: [South Eastern Railway, hasLocoShed, Tatanagar electric loco shed]
-
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.
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.
-
C.
Tamluk railway station
Tamluk railway station is a regional rail transit hub serving the town of Tamluk in West Bengal, India, connecting it to nearby cities and the broader railway network.
-
D.
Noapara depot
Noapara depot is a major maintenance and stabling facility for the Kolkata Metro, serving as a key operational hub for its trains.
-
E.
Durgapur railway station
Durgapur railway station is a major rail hub in West Bengal, India, serving the industrial city of Durgapur with regional and long-distance train connections.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Tatanagar electric loco shed Triple: [South Eastern Railway, hasLocoShed, Tatanagar electric loco shed]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tatanagar electric loco shed Target entity description: 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.
-
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.
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.
-
C.
Tamluk railway station
Tamluk railway station is a regional rail transit hub serving the town of Tamluk in West Bengal, India, connecting it to nearby cities and the broader railway network.
-
D.
Noapara depot
Noapara depot is a major maintenance and stabling facility for the Kolkata Metro, serving as a key operational hub for its trains.
-
E.
Durgapur railway station
Durgapur railway station is a major rail hub in West Bengal, India, serving the industrial city of Durgapur with regional and long-distance train connections.
- F. None of above. chosen
Provenance (5 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_69c68a63491881909281f73d4d5643bf |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f3082f188190af5673d18ac7e87e |
completed | March 27, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c81f0e28e88190805108dff740dda3 |
completed | March 28, 2026, 6:33 p.m. |
| NEDg | Description generation | batch_69c8200c52c8819083b14e8d768fc9be |
completed | March 28, 2026, 6:38 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c82084879c8190ae60b99f702dc058 |
completed | March 28, 2026, 6:40 p.m. |
Created at: March 27, 2026, 3:12 p.m.