Triple

T7085116

Position	Surface form	Disambiguated ID	Type / Status
Subject	Northeast Frontier Railway	`E165055`	entity
Predicate	division	`P889`	FINISHED
Object	Rangiya railway division Rangiya railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations in parts of Assam and nearby northeastern regions.	`E646414`	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: Rangiya railway division | Statement: [Northeast Frontier Railway, division, Rangiya railway division]

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

Target entity: Rangiya railway division
Context triple: [Northeast Frontier Railway, division, Rangiya railway division]

A. Katihar railway division
Katihar railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in and around Katihar in eastern India.
B. Lumding railway division
Lumding railway division is an administrative division of Indian Railways in the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in parts of Assam and the surrounding northeastern region.
C. Alipurduar railway division
Alipurduar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Alipurduar region of West Bengal.
D. Kota railway division
Kota railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Kota within the West Central Railway zone.
E. Danapur railway division
Danapur railway division is an administrative division of Indian Railways under the East Central Railway zone, overseeing train operations and infrastructure in and around Danapur in the state of Bihar.
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: Rangiya railway division
Triple: [Northeast Frontier Railway, division, Rangiya railway division]

Generated description

Rangiya railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations in parts of Assam and nearby northeastern regions.

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

Target entity: Rangiya railway division
Target entity description: Rangiya railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations in parts of Assam and nearby northeastern regions.

A. Katihar railway division
Katihar railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in and around Katihar in eastern India.
B. Lumding railway division
Lumding railway division is an administrative division of Indian Railways in the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in parts of Assam and the surrounding northeastern region.
C. Alipurduar railway division
Alipurduar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Alipurduar region of West Bengal.
D. Kota railway division
Kota railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Kota within the West Central Railway zone.
E. Danapur railway division
Danapur railway division is an administrative division of Indian Railways under the East Central Railway zone, overseeing train operations and infrastructure in and around Danapur in the state of Bihar.
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_69c6887d98408190912b9580666b0c1d`	completed	March 27, 2026, 1:39 p.m.
NER	Named-entity recognition	`batch_69c6e511535c819098f60de54930380f`	completed	March 27, 2026, 8:14 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c7b8cc838c8190b4da8f1ea13cbeb6`	completed	March 28, 2026, 11:17 a.m.
NEDg	Description generation	`batch_69c7b97893308190b349afb452d4e154`	completed	March 28, 2026, 11:20 a.m.
NED2	Entity disambiguation (via description)	`batch_69c7b9f805b88190866170fdd8ce07ff`	completed	March 28, 2026, 11:22 a.m.

Created at: March 27, 2026, 2:41 p.m.