Triple
T17750815
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Reasi district |
E443105
|
entity |
| Predicate | hasImportantRailwayStation |
P1071
|
FINISHED |
| Object | Katra railway station |
—
|
NE NERFINISHED |
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: Katra railway station | Statement: [Reasi district, hasImportantRailwayStation, Katra railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Katra railway station Context triple: [Reasi district, hasImportantRailwayStation, Katra railway station]
-
A.
Sibi Railway Station
Sibi Railway Station is a key railway junction in Balochistan, Pakistan, serving as an important stop on major national rail routes.
-
B.
Kaithal railway station
Kaithal railway station is a regional rail transit hub serving the town of Kaithal in Haryana, India, connecting it to other cities in the state and beyond.
-
C.
Karnal railway station
Karnal railway station is a key rail transit hub in the city of Karnal, Haryana, India, serving passengers on major routes in the Northern Railway network.
-
D.
Titagarh railway station
Titagarh railway station is a suburban rail stop on the Sealdah–Ranaghat line in West Bengal, India, serving the local population of Titagarh and nearby areas.
-
E.
Jammu Tawi railway station
Jammu Tawi railway station is a major rail hub in the Indian Union Territory of Jammu and Kashmir, serving as the primary gateway connecting Jammu with the rest of the country.
- 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: Katra railway station Target entity description: Katra railway station is a major rail terminus in Jammu and Kashmir that serves as the gateway for pilgrims traveling to the Vaishno Devi shrine.
-
A.
Sibi Railway Station
Sibi Railway Station is a key railway junction in Balochistan, Pakistan, serving as an important stop on major national rail routes.
-
B.
Kaithal railway station
Kaithal railway station is a regional rail transit hub serving the town of Kaithal in Haryana, India, connecting it to other cities in the state and beyond.
-
C.
Karnal railway station
Karnal railway station is a key rail transit hub in the city of Karnal, Haryana, India, serving passengers on major routes in the Northern Railway network.
-
D.
Titagarh railway station
Titagarh railway station is a suburban rail stop on the Sealdah–Ranaghat line in West Bengal, India, serving the local population of Titagarh and nearby areas.
-
E.
Jammu Tawi railway station
Jammu Tawi railway station is a major rail hub in the Indian Union Territory of Jammu and Kashmir, serving as the primary gateway connecting Jammu with the rest of the country.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasImportantRailwayStation Context triple: [Reasi district, hasImportantRailwayStation, Katra railway station]
-
A.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
-
B.
hasMajorRailwayStation
chosen
Indicates that a place contains or is served by a principal railway station that functions as a major hub for rail transport.
-
C.
hasRailwayStationRole
Indicates that an entity holds or is assigned a specific functional role or capacity within the operation or management of a railway station.
-
D.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
E.
hasRailwayStationOn
Indicates that a railway station is located on or serves a particular railway line, route, or network segment.
- F. None of above.
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_69d8b9ed3a2081909b2ec0d4dd2f4c37 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e4841a401c8190ae1dc0ed7ae4cc26 |
completed | April 19, 2026, 7:28 a.m. |
| PD | Predicate disambiguation | batch_69e3cde9dc288190af0e2198487f2051 |
completed | April 18, 2026, 6:31 p.m. |
Created at: April 10, 2026, 10:10 a.m.