Triple
T4614986
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PBR |
E100846
|
entity |
| Predicate | railwayStationCodeFor |
P57454
|
FINISHED |
| Object | Porbandar railway station |
E18733
|
NE FINISHED |
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: Porbandar railway station | Statement: [PBR, railwayStationCodeFor, Porbandar railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Porbandar railway station Context triple: [PBR, railwayStationCodeFor, Porbandar railway station]
-
A.
Porbandar railway station
chosen
Porbandar railway station is a key rail terminus in Gujarat, India, serving the coastal city of Porbandar with regional and long-distance train connections.
-
B.
Bhavnagar Terminus
Bhavnagar Terminus is a key railway station in Gujarat, India, serving as an important endpoint for passenger and regional rail services in the Bhavnagar area.
-
C.
Ahmedabad Junction railway station
Ahmedabad Junction railway station is the primary and busiest rail hub of Ahmedabad, Gujarat, serving as a major junction on the Western Railway network in India.
-
D.
Rajkot Junction railway station
Rajkot Junction railway station is a major railway hub in Gujarat, India, serving the city of Rajkot with connections to numerous regional and long-distance routes.
-
E.
Surat railway station
Surat railway station is a major railway hub in the Indian state of Gujarat, serving the city of Surat with extensive regional and long-distance train connections.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railwayStationCodeFor Context triple: [PBR, railwayStationCodeFor, Porbandar railway station]
-
A.
railwayStationFor
Indicates a relationship where a railway station serves, is designated for, or primarily associated with a particular place, line, or service.
-
B.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
-
C.
railwayStationOnLine
Indicates that a particular railway station is located on and served by a specified railway line.
-
D.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
E.
stationName
Indicates the name assigned to a particular station in the relationship.
- F. None of above. chosen
Provenance (5 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_69bd43cf363c819087fd5ab441b4a3f4 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd59c3d9ec8190a50ef03627dc351d |
completed | March 20, 2026, 2:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be438d66088190b062c8bf4ceba653 |
completed | March 21, 2026, 7:06 a.m. |
| PD | Predicate disambiguation | batch_69bd522e2d5c8190937d0b5574f78f99 |
completed | March 20, 2026, 1:57 p.m. |
| PDg | Predicate description generation | batch_69bd56b5f4648190834eafa666d53caa |
completed | March 20, 2026, 2:16 p.m. |
Created at: March 20, 2026, 1:12 p.m.