Triple
T12376098
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mughalsarai Junction railway station |
E295126
|
entity |
| Predicate | onRailwayLine |
P848
|
FINISHED |
| Object | Howrah–Delhi main line |
E520995
|
NE FINISHED |
How this triple was built (2 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: Howrah–Delhi main line | Statement: [Mughalsarai Junction railway station, onRailwayLine, Howrah–Delhi main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah–Delhi main line Context triple: [Mughalsarai Junction railway station, onRailwayLine, Howrah–Delhi main line]
-
A.
Howrah–Delhi main line
chosen
The Howrah–Delhi main line is one of India's busiest and most important railway corridors, connecting Kolkata (Howrah) with the national capital New Delhi and passing through major cities across northern and eastern India.
-
B.
Howrah–Bardhaman main line
The Howrah–Bardhaman main line is a major suburban and long-distance railway corridor in West Bengal, India, connecting Howrah (Kolkata) with Bardhaman and serving numerous important towns along the route.
-
C.
Howrah–Azimganj line
The Howrah–Azimganj line is a key railway route in the Indian state of West Bengal that connects Howrah with Azimganj, serving as an important corridor for both passenger and freight traffic in the region.
-
D.
Howrah–Chennai main line
The Howrah–Chennai main line is a major Indian Railways trunk route connecting Kolkata (Howrah) with Chennai along the eastern coast, serving as a key corridor for both passenger and freight traffic.
-
E.
Howrah–New Jalpaiguri line
The Howrah–New Jalpaiguri line is a major railway route in the Indian state of West Bengal that connects Kolkata’s Howrah station with New Jalpaiguri, serving as a key corridor between southern and northern Bengal.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6ab6d8a4081908636601e69ddf262 |
completed | April 8, 2026, 7:24 p.m. |
| NER | Named-entity recognition | batch_69d93fb8d6c081909e8bbbd52c73f29c |
completed | April 10, 2026, 6:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f634760210819080bc0261aa059132 |
completed | May 2, 2026, 5:29 p.m. |
Created at: April 8, 2026, 9:54 p.m.