Triple
T7428887
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Eastern Railway |
E171434
|
entity |
| Predicate | hasLocoShed |
P18851
|
FINISHED |
| Object |
Bokaro Steel City electric loco shed
Bokaro Steel City electric loco shed is a major electric locomotive maintenance and servicing facility of Indian Railways located at Bokaro Steel City in Jharkhand.
|
E665423
|
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: Bokaro Steel City electric loco shed | Statement: [South Eastern Railway, hasLocoShed, Bokaro Steel City electric loco shed]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bokaro Steel City electric loco shed Context triple: [South Eastern Railway, hasLocoShed, Bokaro Steel City electric loco shed]
-
A.
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.
-
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.
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.
-
E.
Wimco Nagar depot
Wimco Nagar depot is a maintenance and stabling facility serving the northern stretch of the Chennai Metro network in Chennai, India.
- 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: Bokaro Steel City electric loco shed Triple: [South Eastern Railway, hasLocoShed, Bokaro Steel City electric loco shed]
Generated description
Bokaro Steel City electric loco shed is a major electric locomotive maintenance and servicing facility of Indian Railways located at Bokaro Steel City in Jharkhand.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bokaro Steel City electric loco shed Target entity description: Bokaro Steel City electric loco shed is a major electric locomotive maintenance and servicing facility of Indian Railways located at Bokaro Steel City in Jharkhand.
-
A.
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.
-
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.
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.
-
E.
Wimco Nagar depot
Wimco Nagar depot is a maintenance and stabling facility serving the northern stretch of the Chennai Metro network in Chennai, India.
- 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_69c827829a848190afca7b5f79c51c7c |
completed | March 28, 2026, 7:09 p.m. |
| NEDg | Description generation | batch_69c828c8b0588190a5a99380dc25d837 |
completed | March 28, 2026, 7:15 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c8296962b48190b9f5cc4a66b93b91 |
completed | March 28, 2026, 7:18 p.m. |
Created at: March 27, 2026, 3:12 p.m.