Triple

T3246591

Position	Surface form	Disambiguated ID	Type / Status
Subject	Krantivira Sangolli Rayanna Bengaluru Station	`E68079`	entity
Predicate	operatedBy	`P86`	FINISHED
Object	South Western Railway zone South Western Railway zone is a major railway administrative division of Indian Railways responsible for managing and operating train services and infrastructure primarily across the state of Karnataka and parts of neighboring regions.	`E346300`	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: South Western Railway zone | Statement: [Krantivira Sangolli Rayanna Bengaluru Station, operatedBy, South Western Railway zone]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: South Western Railway zone
Context triple: [Krantivira Sangolli Rayanna Bengaluru Station, operatedBy, South Western Railway zone]

A. South Eastern Railway zone
The South Eastern Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Garden Reach, Kolkata, and serving parts of West Bengal, Jharkhand, and Odisha.
B. Southern Railway zone
The Southern Railway zone is one of the major zones of Indian Railways, overseeing extensive rail operations across southern India including key hubs like Tiruchirappalli.
C. Western Railway zone
The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
D. West Central Railway zone
West Central Railway zone is one of the zones of Indian Railways, headquartered in Jabalpur, that manages and operates rail services across parts of central India.
E. South Central Railway zone
The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
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: South Western Railway zone
Triple: [Krantivira Sangolli Rayanna Bengaluru Station, operatedBy, South Western Railway zone]

Generated description

South Western Railway zone is a major railway administrative division of Indian Railways responsible for managing and operating train services and infrastructure primarily across the state of Karnataka and parts of neighboring regions.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: South Western Railway zone
Target entity description: South Western Railway zone is a major railway administrative division of Indian Railways responsible for managing and operating train services and infrastructure primarily across the state of Karnataka and parts of neighboring regions.

A. South Eastern Railway zone
The South Eastern Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Garden Reach, Kolkata, and serving parts of West Bengal, Jharkhand, and Odisha.
B. Southern Railway zone
The Southern Railway zone is one of the major zones of Indian Railways, overseeing extensive rail operations across southern India including key hubs like Tiruchirappalli.
C. Western Railway zone
The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
D. West Central Railway zone
West Central Railway zone is one of the zones of Indian Railways, headquartered in Jabalpur, that manages and operates rail services across parts of central India.
E. South Central Railway zone
The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
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_69ad858e4c708190aa31d486cfee8a6a`	completed	March 8, 2026, 2:19 p.m.
NER	Named-entity recognition	`batch_69adaf1c184c8190a43a3594decd0920`	completed	March 8, 2026, 5:17 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b2f3be35388190bbd1a296d7b1b3fa`	completed	March 12, 2026, 5:11 p.m.
NEDg	Description generation	`batch_69b2fa0ed27c8190a32c153b44b7b2dd`	completed	March 12, 2026, 5:38 p.m.
NED2	Entity disambiguation (via description)	`batch_69b312b273b48190a949e61b87722084`	completed	March 12, 2026, 7:23 p.m.

Created at: March 8, 2026, 3:09 p.m.