Triple
T19949095
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ludhiana Junction railway station |
E479507
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Ambala–Attari line |
—
|
NE NERFINISHED |
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: Ambala–Attari line | Statement: [Ludhiana Junction railway station, locatedOn, Ambala–Attari line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ambala–Attari line Context triple: [Ludhiana Junction railway station, locatedOn, Ambala–Attari line]
-
A.
Ambala–Attari line
chosen
The Ambala–Attari line is a major railway route in northern India that connects Ambala in Haryana to Attari near the India–Pakistan border, serving as an important corridor for both passenger and freight traffic.
-
B.
Jammu–Pathankot line
The Jammu–Pathankot line is a key railway route in northern India that connects the plains of Punjab with the Jammu region, serving as a vital link for both passenger and strategic military transport.
-
C.
Amritsar–Pathankot line
The Amritsar–Pathankot line is a railway route in the Indian state of Punjab that connects the city of Amritsar with the border town of Pathankot, serving as an important regional and strategic rail corridor.
-
D.
Amritsar–Khem Karan line
The Amritsar–Khem Karan line is a railway route in the Indian state of Punjab that connects the city of Amritsar to the border town of Khem Karan, serving several intermediate junctions and local communities.
-
E.
Delhi–Fazilka line
The Delhi–Fazilka line is a key broad-gauge railway route in northern India that connects the national capital Delhi with the border region near Fazilka in Punjab, serving numerous intermediate cities and military cantonments.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8e522a17c819095165d4d24939fd8 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65a69ae388190918e862012f9fe39 |
completed | April 20, 2026, 4:55 p.m. |
Created at: April 10, 2026, 1:54 p.m.