Triple

T19622711

Position	Surface form	Disambiguated ID	Type / Status
Subject	West Central Railway	`E471050`	entity
Predicate	hasMajorRoute	`P385`	FINISHED
Object	Bhopal–Itarsi section The Bhopal–Itarsi section is a key railway corridor in central India that connects the state capital Bhopal with the major junction of Itarsi, forming part of an important national rail route.	`E1387603`	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: Bhopal–Itarsi section | Statement: [West Central Railway, hasMajorRoute, Bhopal–Itarsi section]

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

Target entity: Bhopal–Itarsi section
Context triple: [West Central Railway, hasMajorRoute, Bhopal–Itarsi section]

A. Bhopal–Nagpur section
The Bhopal–Nagpur section is a key railway corridor in central India that connects the cities of Bhopal and Nagpur, passing through important intermediate stations such as Betul.
B. Jabalpur–Itarsi section
The Jabalpur–Itarsi section is a key railway corridor in the Indian state of Madhya Pradesh that connects the city of Jabalpur with the major junction of Itarsi, serving numerous intermediate towns and facilitating regional passenger and freight movement.
C. Ajmer–Ratlam section
The Ajmer–Ratlam section is a key railway route in western India that connects Ajmer in Rajasthan with Ratlam in Madhya Pradesh, serving numerous intermediate towns and facilitating regional passenger and freight movement.
D. Jabalpur–Bhusaval section
The Jabalpur–Bhusaval section is a key railway line in central India that connects Jabalpur in Madhya Pradesh with Bhusaval in Maharashtra, forming part of an important route for passenger and freight traffic.
E. Jabalpur–Nagpur section
The Jabalpur–Nagpur section is a key railway line in central India that connects the cities of Jabalpur in Madhya Pradesh and Nagpur in Maharashtra, serving as an important route for both passenger and freight trains.
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: Bhopal–Itarsi section
Triple: [West Central Railway, hasMajorRoute, Bhopal–Itarsi section]

Generated description

The Bhopal–Itarsi section is a key railway corridor in central India that connects the state capital Bhopal with the major junction of Itarsi, forming part of an important national rail route.

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

Target entity: Bhopal–Itarsi section
Target entity description: The Bhopal–Itarsi section is a key railway corridor in central India that connects the state capital Bhopal with the major junction of Itarsi, forming part of an important national rail route.

A. Bhopal–Nagpur section
The Bhopal–Nagpur section is a key railway corridor in central India that connects the cities of Bhopal and Nagpur, passing through important intermediate stations such as Betul.
B. Jabalpur–Itarsi section
The Jabalpur–Itarsi section is a key railway corridor in the Indian state of Madhya Pradesh that connects the city of Jabalpur with the major junction of Itarsi, serving numerous intermediate towns and facilitating regional passenger and freight movement.
C. Ajmer–Ratlam section
The Ajmer–Ratlam section is a key railway route in western India that connects Ajmer in Rajasthan with Ratlam in Madhya Pradesh, serving numerous intermediate towns and facilitating regional passenger and freight movement.
D. Jabalpur–Bhusaval section
The Jabalpur–Bhusaval section is a key railway line in central India that connects Jabalpur in Madhya Pradesh with Bhusaval in Maharashtra, forming part of an important route for passenger and freight traffic.
E. Jabalpur–Nagpur section
The Jabalpur–Nagpur section is a key railway line in central India that connects the cities of Jabalpur in Madhya Pradesh and Nagpur in Maharashtra, serving as an important route for both passenger and freight trains.
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_69d8e510fa248190b7afb274a1d4cf73`	completed	April 10, 2026, 11:54 a.m.
NER	Named-entity recognition	`batch_69e640e7949081908a89414ef899fa20`	completed	April 20, 2026, 3:06 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a077ede2da081909e6fcf36e5aff175`	completed	May 15, 2026, 8:15 p.m.
NEDg	Description generation	`batch_6a0780f12a5c8190bd448e602cbdeda6`	completed	May 15, 2026, 8:24 p.m.
NED2	Entity disambiguation (via description)	`batch_6a078182753c819088906f1954eee95b`	completed	May 15, 2026, 8:26 p.m.

Created at: April 10, 2026, 1:44 p.m.