Triple

T5828827

Position	Surface form	Disambiguated ID	Type / Status
Subject	Meerut City railway station	`E129294`	entity
Predicate	railwayLine	`P848`	FINISHED
Object	Delhi–Meerut–Saharanpur line The Delhi–Meerut–Saharanpur line is a key railway route in northern India that connects the national capital with major cities in western Uttar Pradesh, serving as an important corridor for both passenger and freight traffic.	`E555639`	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: Delhi–Meerut–Saharanpur line | Statement: [Meerut City railway station, railwayLine, Delhi–Meerut–Saharanpur line]

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

Target entity: Delhi–Meerut–Saharanpur line
Context triple: [Meerut City railway station, railwayLine, Delhi–Meerut–Saharanpur line]

A. Kanpur–Mathura line
The Kanpur–Mathura line is a key railway route in northern India connecting the industrial city of Kanpur with the historic city of Mathura, forming part of an important corridor for passenger and freight traffic.
B. Agra–Bandikui–Jaipur line
The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important corridor for both passenger and freight traffic.
C. Delhi–Ambala railway line
The Delhi–Ambala railway line is a key rail corridor in northern India connecting the national capital Delhi with the city of Ambala, serving major towns and districts along its route.
D. Kanpur–Jhansi line
The Kanpur–Jhansi line is a key railway route in northern India that connects the industrial city of Kanpur with Jhansi, facilitating major passenger and freight movement across Uttar Pradesh and beyond.
E. Delhi–Jammu Tawi line
The Delhi–Jammu Tawi line is a key Indian Railways route connecting the national capital Delhi with the city of Jammu, serving as a major passenger and strategic corridor in North India.
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: Delhi–Meerut–Saharanpur line
Triple: [Meerut City railway station, railwayLine, Delhi–Meerut–Saharanpur line]

Generated description

The Delhi–Meerut–Saharanpur line is a key railway route in northern India that connects the national capital with major cities in western Uttar Pradesh, serving as an important corridor for both passenger and freight traffic.

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

Target entity: Delhi–Meerut–Saharanpur line
Target entity description: The Delhi–Meerut–Saharanpur line is a key railway route in northern India that connects the national capital with major cities in western Uttar Pradesh, serving as an important corridor for both passenger and freight traffic.

A. Kanpur–Mathura line
The Kanpur–Mathura line is a key railway route in northern India connecting the industrial city of Kanpur with the historic city of Mathura, forming part of an important corridor for passenger and freight traffic.
B. Agra–Bandikui–Jaipur line
The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important corridor for both passenger and freight traffic.
C. Delhi–Ambala railway line
The Delhi–Ambala railway line is a key rail corridor in northern India connecting the national capital Delhi with the city of Ambala, serving major towns and districts along its route.
D. Kanpur–Jhansi line
The Kanpur–Jhansi line is a key railway route in northern India that connects the industrial city of Kanpur with Jhansi, facilitating major passenger and freight movement across Uttar Pradesh and beyond.
E. Delhi–Jammu Tawi line
The Delhi–Jammu Tawi line is a key Indian Railways route connecting the national capital Delhi with the city of Jammu, serving as a major passenger and strategic corridor in North India.
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_69c00849d55481908b4f9f5543e0bf6d`	completed	March 22, 2026, 3:18 p.m.
NER	Named-entity recognition	`batch_69c03467dfe48190b51757b33681bc20`	completed	March 22, 2026, 6:26 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c0bfc62a5c81909fa28f08a49dc919`	completed	March 23, 2026, 4:21 a.m.
NEDg	Description generation	`batch_69c0c13551248190b822aae7ed85d0ed`	completed	March 23, 2026, 4:27 a.m.
NED2	Entity disambiguation (via description)	`batch_69c0c19e5ef08190abe26030e24b4d91`	completed	March 23, 2026, 4:29 a.m.

Created at: March 22, 2026, 3:53 p.m.