Triple

T10222901

Position	Surface form	Disambiguated ID	Type / Status
Subject	Jainagar	`E242627`	entity
Predicate	railwayLineTerminusOf	`P15150`	FINISHED
Object	Jaynagar–Janakpur–Bardibas railway line The Jaynagar–Janakpur–Bardibas railway line is a cross-border rail route linking India and Nepal, primarily serving as a key passenger corridor between Bihar’s Jainagar and Nepal’s Janakpur region.	`E850838`	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: Jaynagar–Janakpur–Bardibas railway line | Statement: [Jainagar, railwayLineTerminusOf, Jaynagar–Janakpur–Bardibas railway line]

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

Target entity: Jaynagar–Janakpur–Bardibas railway line
Context triple: [Jainagar, railwayLineTerminusOf, Jaynagar–Janakpur–Bardibas railway line]

A. Bandel–Katwa line
The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
B. Howrah–Kharagpur railway line
The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
C. Sealdah–Bangaon railway line
The Sealdah–Bangaon railway line is a suburban rail corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Bangaon and serving numerous intermediate urban and suburban localities.
D. Kharagpur–Digha line
The Kharagpur–Digha line is a railway route in eastern India that connects the major junction of Kharagpur with the coastal resort town of Digha, serving both local commuters and tourists.
E. Eklakhi–Balurghat branch line
The Eklakhi–Balurghat branch line is a regional railway route in West Bengal, India, connecting the town of Balurghat with the broader Indian Railways network.
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: Jaynagar–Janakpur–Bardibas railway line
Triple: [Jainagar, railwayLineTerminusOf, Jaynagar–Janakpur–Bardibas railway line]

Generated description

The Jaynagar–Janakpur–Bardibas railway line is a cross-border rail route linking India and Nepal, primarily serving as a key passenger corridor between Bihar’s Jainagar and Nepal’s Janakpur region.

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

Target entity: Jaynagar–Janakpur–Bardibas railway line
Target entity description: The Jaynagar–Janakpur–Bardibas railway line is a cross-border rail route linking India and Nepal, primarily serving as a key passenger corridor between Bihar’s Jainagar and Nepal’s Janakpur region.

A. Bandel–Katwa line
The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
B. Howrah–Kharagpur railway line
The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
C. Sealdah–Bangaon railway line
The Sealdah–Bangaon railway line is a suburban rail corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Bangaon and serving numerous intermediate urban and suburban localities.
D. Kharagpur–Digha line
The Kharagpur–Digha line is a railway route in eastern India that connects the major junction of Kharagpur with the coastal resort town of Digha, serving both local commuters and tourists.
E. Eklakhi–Balurghat branch line
The Eklakhi–Balurghat branch line is a regional railway route in West Bengal, India, connecting the town of Balurghat with the broader Indian Railways network.
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_69d381ae26c48190985abd0e25ee5d04`	completed	April 6, 2026, 9:49 a.m.
NER	Named-entity recognition	`batch_69d3aa8305e481908ee1fc1d9eda6fa0`	completed	April 6, 2026, 12:43 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69d6a838a0148190bc7f2aa33bb7230b`	completed	April 8, 2026, 7:10 p.m.
NEDg	Description generation	`batch_69d6d0003434819093e3f82a556db79c`	completed	April 8, 2026, 10 p.m.
NED2	Entity disambiguation (via description)	`batch_69d6df3c8f748190923db41ef1a9a03a`	completed	April 8, 2026, 11:05 p.m.

Created at: April 6, 2026, 11:10 a.m.