Triple

T22019831

Position	Surface form	Disambiguated ID	Type / Status
Subject	Ahmednagar railway station	`E543811`	entity
Predicate	railwayDivision	`P1921`	FINISHED
Object	Solapur railway division Solapur railway division is an administrative unit of Indian Railways under the Central Railway zone, overseeing train operations and infrastructure across parts of Maharashtra and neighboring regions.	`E1514007`	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: Solapur railway division | Statement: [Ahmednagar railway station, railwayDivision, Solapur railway division]

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

Target entity: Solapur railway division
Context triple: [Ahmednagar railway station, railwayDivision, Solapur railway division]

A. Jabalpur railway division
Jabalpur railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Jabalpur in central India.
B. Bhopal railway division
Bhopal railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Bhopal region under the West Central Railway zone.
C. Jhansi railway division
Jhansi railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Jhansi region.
D. Sonpur railway division
Sonpur railway division is an administrative division of Indian Railways responsible for managing train operations, infrastructure, and services in and around the Sonpur region of Bihar.
E. Bhusawal railway division
Bhusawal railway division is a major administrative division of Indian Railways’ Central Railway zone, overseeing railway operations and infrastructure in parts of Maharashtra.
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: Solapur railway division
Triple: [Ahmednagar railway station, railwayDivision, Solapur railway division]

Generated description

Solapur railway division is an administrative unit of Indian Railways under the Central Railway zone, overseeing train operations and infrastructure across parts of Maharashtra and neighboring regions.

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

Target entity: Solapur railway division
Target entity description: Solapur railway division is an administrative unit of Indian Railways under the Central Railway zone, overseeing train operations and infrastructure across parts of Maharashtra and neighboring regions.

A. Jabalpur railway division
Jabalpur railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Jabalpur in central India.
B. Bhopal railway division
Bhopal railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Bhopal region under the West Central Railway zone.
C. Jhansi railway division
Jhansi railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Jhansi region.
D. Sonpur railway division
Sonpur railway division is an administrative division of Indian Railways responsible for managing train operations, infrastructure, and services in and around the Sonpur region of Bihar.
E. Bhusawal railway division
Bhusawal railway division is a major administrative division of Indian Railways’ Central Railway zone, overseeing railway operations and infrastructure in parts of Maharashtra.
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_69e11e2e8ea4819084210fe06d3a1b8d`	completed	April 16, 2026, 5:36 p.m.
NER	Named-entity recognition	`batch_69f127c6b5fc8190bc49ddb058f28a44`	completed	April 28, 2026, 9:33 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0a738382f4819098bd47f00946e65b`	completed	May 18, 2026, 2:03 a.m.
NEDg	Description generation	`batch_6a0a745e534881909a681b9f2234afa5`	completed	May 18, 2026, 2:07 a.m.
NED2	Entity disambiguation (via description)	`batch_6a0a7857e6dc819088b592cdff7d4cf3`	completed	May 18, 2026, 2:24 a.m.

Created at: April 16, 2026, 8:23 p.m.