Triple

T7123966

Position	Surface form	Disambiguated ID	Type / Status
Subject	Tiruchirappalli Junction railway station	`E166013`	entity
Predicate	railwayDivision	`P1921`	FINISHED
Object	Tiruchirappalli railway division Tiruchirappalli railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Tiruchirappalli in the Southern Railway zone.	`E643986`	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: Tiruchirappalli railway division | Statement: [Tiruchirappalli Junction railway station, railwayDivision, Tiruchirappalli railway division]

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

Target entity: Tiruchirappalli railway division
Context triple: [Tiruchirappalli Junction railway station, railwayDivision, Tiruchirappalli railway division]

A. Chennai railway division
Chennai railway division is a major administrative division of Indian Railways responsible for operating and managing railway services in and around the Chennai region.
B. Vijayawada railway division
Vijayawada railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in and around Vijayawada, Andhra Pradesh.
C. Secunderabad railway division
Secunderabad railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Secunderabad and parts of the surrounding region.
D. Guntakal railway division
Guntakal railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in parts of Andhra Pradesh and neighboring regions.
E. Hyderabad railway division
Hyderabad railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Hyderabad.
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: Tiruchirappalli railway division
Triple: [Tiruchirappalli Junction railway station, railwayDivision, Tiruchirappalli railway division]

Generated description

Tiruchirappalli railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Tiruchirappalli in the Southern Railway zone.

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

Target entity: Tiruchirappalli railway division
Target entity description: Tiruchirappalli railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Tiruchirappalli in the Southern Railway zone.

A. Chennai railway division
Chennai railway division is a major administrative division of Indian Railways responsible for operating and managing railway services in and around the Chennai region.
B. Vijayawada railway division
Vijayawada railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in and around Vijayawada, Andhra Pradesh.
C. Secunderabad railway division
Secunderabad railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Secunderabad and parts of the surrounding region.
D. Guntakal railway division
Guntakal railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in parts of Andhra Pradesh and neighboring regions.
E. Hyderabad railway division
Hyderabad railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Hyderabad.
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_69c6888350588190870cd552b427a1cd`	completed	March 27, 2026, 1:39 p.m.
NER	Named-entity recognition	`batch_69c6e64ab1f881908bc2468cc72d2544`	completed	March 27, 2026, 8:19 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c7a331ff988190886bde89035623c0`	completed	March 28, 2026, 9:45 a.m.
NEDg	Description generation	`batch_69c7a46d95b88190bbadf3e8d1788489`	completed	March 28, 2026, 9:50 a.m.
NED2	Entity disambiguation (via description)	`batch_69c7a52e6a1c8190bf45e0aa7a920baf`	completed	March 28, 2026, 9:53 a.m.

Created at: March 27, 2026, 2:44 p.m.