Triple
T18483862
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ambala–Attari line |
E451633
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Ambala–Ludhiana 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: Ambala–Ludhiana section | Statement: [Ambala–Attari line, connectsTo, Ambala–Ludhiana section]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ambala–Ludhiana section Context triple: [Ambala–Attari line, connectsTo, Ambala–Ludhiana section]
-
A.
Ludhiana–Jalandhar section
The Ludhiana–Jalandhar section is a key railway corridor in the Indian state of Punjab that links the industrial city of Ludhiana with the major urban center of Jalandhar, forming part of an important route in northern India.
-
B.
Jalandhar–Amritsar section
The Jalandhar–Amritsar section is a key railway corridor in the Indian state of Punjab that links the city of Jalandhar with the major cultural and religious center of Amritsar.
-
C.
Delhi–Panipat section
The Delhi–Panipat section is a key railway corridor in northern India that links the national capital Delhi with the industrial and historical city of Panipat, forming part of a major route toward Punjab.
-
D.
Delhi–Ambala–Kalka route
The Delhi–Ambala–Kalka route is a major railway corridor in northern India connecting the national capital Delhi with the cities of Ambala and Kalka, serving as a key link for both passenger and freight traffic.
-
E.
Meerut–Muzaffarnagar–Saharanpur section
The Meerut–Muzaffarnagar–Saharanpur section is a key railway corridor in northern India that connects major cities in western Uttar Pradesh and forms part of important regional and long-distance routes.
- 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: Ambala–Ludhiana section Target entity description: The Ambala–Ludhiana section is a key railway corridor in northern India that links the city of Ambala in Haryana with Ludhiana in Punjab, serving as part of an important route for both passenger and freight traffic.
-
A.
Ludhiana–Jalandhar section
The Ludhiana–Jalandhar section is a key railway corridor in the Indian state of Punjab that links the industrial city of Ludhiana with the major urban center of Jalandhar, forming part of an important route in northern India.
-
B.
Jalandhar–Amritsar section
The Jalandhar–Amritsar section is a key railway corridor in the Indian state of Punjab that links the city of Jalandhar with the major cultural and religious center of Amritsar.
-
C.
Delhi–Panipat section
The Delhi–Panipat section is a key railway corridor in northern India that links the national capital Delhi with the industrial and historical city of Panipat, forming part of a major route toward Punjab.
-
D.
Delhi–Ambala–Kalka route
The Delhi–Ambala–Kalka route is a major railway corridor in northern India connecting the national capital Delhi with the cities of Ambala and Kalka, serving as a key link for both passenger and freight traffic.
-
E.
Meerut–Muzaffarnagar–Saharanpur section
The Meerut–Muzaffarnagar–Saharanpur section is a key railway corridor in northern India that connects major cities in western Uttar Pradesh and forms part of important regional and long-distance routes.
- 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_69d8d38465a0819099b9b42d2a662ac1 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e531d5951c81909f44362bc4101333 |
completed | April 19, 2026, 7:49 p.m. |
Created at: April 10, 2026, 11:35 a.m.