Triple
T21143632
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CNB |
E520993
|
entity |
| Predicate | isOnRoute |
P2127
|
FINISHED |
| Object | Kanpur–Prayagraj section |
—
|
NE NERFINISHED |
How this triple was built (3 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: Kanpur–Prayagraj section | Statement: [CNB, isOnRoute, Kanpur–Prayagraj section]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kanpur–Prayagraj section Context triple: [CNB, isOnRoute, Kanpur–Prayagraj section]
-
A.
Varanasi–Allahabad section
The Varanasi–Allahabad section is a key railway corridor in the Indian state of Uttar Pradesh that connects the major cities of Varanasi and Prayagraj (Allahabad) and serves numerous intermediate towns.
-
B.
Agra–Etawah section
The Agra–Etawah section is a key railway line in northern India that connects the historic city of Agra with Etawah, facilitating regional passenger and freight transport.
-
C.
Agra–Kanpur section
The Agra–Kanpur section is a key railway corridor in the Indian state of Uttar Pradesh that connects the major cities of Agra and Kanpur and forms part of the broader rail network linking northern India.
-
D.
Delhi–Kanpur section
The Delhi–Kanpur section is a major railway corridor in northern India that connects the national capital Delhi with the industrial city of Kanpur, carrying heavy passenger and freight traffic.
-
E.
Allahabad–Jabalpur section
The Allahabad–Jabalpur section is a major railway route in India that connects Allahabad (Prayagraj) in Uttar Pradesh with Jabalpur in Madhya Pradesh, serving as an important corridor for both passenger and freight trains.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kanpur–Prayagraj section Target entity description: The Kanpur–Prayagraj section is a key railway line in the Indian state of Uttar Pradesh that connects the major cities of Kanpur and Prayagraj and forms part of important national rail corridors.
-
A.
Varanasi–Allahabad section
The Varanasi–Allahabad section is a key railway corridor in the Indian state of Uttar Pradesh that connects the major cities of Varanasi and Prayagraj (Allahabad) and serves numerous intermediate towns.
-
B.
Agra–Etawah section
The Agra–Etawah section is a key railway line in northern India that connects the historic city of Agra with Etawah, facilitating regional passenger and freight transport.
-
C.
Agra–Kanpur section
The Agra–Kanpur section is a key railway corridor in the Indian state of Uttar Pradesh that connects the major cities of Agra and Kanpur and forms part of the broader rail network linking northern India.
-
D.
Delhi–Kanpur section
The Delhi–Kanpur section is a major railway corridor in northern India that connects the national capital Delhi with the industrial city of Kanpur, carrying heavy passenger and freight traffic.
-
E.
Allahabad–Jabalpur section
The Allahabad–Jabalpur section is a major railway route in India that connects Allahabad (Prayagraj) in Uttar Pradesh with Jabalpur in Madhya Pradesh, serving as an important corridor for both passenger and freight trains.
- F. None of above. chosen
Provenance (2 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_69e0b50c6a848190a4e525a77a319b8a |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e723fbb29881909c4036eab46ed440 |
completed | April 21, 2026, 7:15 a.m. |
Created at: April 16, 2026, 2:57 p.m.