Triple

T21261005

Position	Surface form	Disambiguated ID	Type / Status
Subject	Kanpur–Mathura line	`E524000`	entity
Predicate	connectsWith	`P37`	FINISHED
Object	Mathura Junction railway station Mathura Junction railway station is a major rail hub in Uttar Pradesh, India, serving as a key junction on several important routes and facilitating extensive passenger and freight movement across northern and central India.	`E1476408`	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: Mathura Junction railway station | Statement: [Kanpur–Mathura line, connectsWith, Mathura Junction railway station]

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

Target entity: Mathura Junction railway station
Context triple: [Kanpur–Mathura line, connectsWith, Mathura Junction railway station]

A. Miraj Junction railway station
Miraj Junction railway station is a major railway junction in Maharashtra, India, serving as an important transit point connecting multiple regional and long-distance routes.
B. Mughalsarai Junction railway station
Mughalsarai Junction railway station is a major railway hub in Uttar Pradesh, India, known as one of the busiest and most important junctions on the Indian Railways network.
C. Balaghat Junction railway station
Balaghat Junction railway station is a key railway hub in Madhya Pradesh, India, serving the town of Balaghat and connecting it to regional and national rail networks.
D. Moradabad Junction railway station
Moradabad Junction railway station is a major rail hub in Uttar Pradesh, India, serving as an important junction on the Northern Railway network and connecting several key routes in the region.
E. Jhansi Junction railway station
Jhansi Junction railway station is a major railway hub in Uttar Pradesh, India, serving as a key junction on the Delhi–Chennai and Delhi–Mumbai routes.
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: Mathura Junction railway station
Triple: [Kanpur–Mathura line, connectsWith, Mathura Junction railway station]

Generated description

Mathura Junction railway station is a major rail hub in Uttar Pradesh, India, serving as a key junction on several important routes and facilitating extensive passenger and freight movement across northern and central India.

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

Target entity: Mathura Junction railway station
Target entity description: Mathura Junction railway station is a major rail hub in Uttar Pradesh, India, serving as a key junction on several important routes and facilitating extensive passenger and freight movement across northern and central India.

A. Miraj Junction railway station
Miraj Junction railway station is a major railway junction in Maharashtra, India, serving as an important transit point connecting multiple regional and long-distance routes.
B. Mughalsarai Junction railway station
Mughalsarai Junction railway station is a major railway hub in Uttar Pradesh, India, known as one of the busiest and most important junctions on the Indian Railways network.
C. Balaghat Junction railway station
Balaghat Junction railway station is a key railway hub in Madhya Pradesh, India, serving the town of Balaghat and connecting it to regional and national rail networks.
D. Moradabad Junction railway station
Moradabad Junction railway station is a major rail hub in Uttar Pradesh, India, serving as an important junction on the Northern Railway network and connecting several key routes in the region.
E. Jhansi Junction railway station
Jhansi Junction railway station is a major railway hub in Uttar Pradesh, India, serving as a key junction on the Delhi–Chennai and Delhi–Mumbai routes.
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_69e0b5156d7881909bd4f83676590715`	completed	April 16, 2026, 10:08 a.m.
NER	Named-entity recognition	`batch_69e735e6a0448190ad412a8fcbbd8ff0`	completed	April 21, 2026, 8:31 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0997f9ae4c81909793e59d89082abb`	completed	May 17, 2026, 10:27 a.m.
NEDg	Description generation	`batch_6a0998d6b37881908a1b09afc1f67746`	completed	May 17, 2026, 10:30 a.m.
NED2	Entity disambiguation (via description)	`batch_6a0999884e0481909b7ea54cd7ef87b5`	completed	May 17, 2026, 10:33 a.m.

Created at: April 16, 2026, 3:59 p.m.