Triple
T20368538
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bulgarian rail network |
E496982
|
entity |
| Predicate | hasHub |
P2413
|
FINISHED |
| Object | Plovdiv railway junction |
—
|
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: Plovdiv railway junction | Statement: [Bulgarian rail network, hasHub, Plovdiv railway junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Plovdiv railway junction Context triple: [Bulgarian rail network, hasHub, Plovdiv railway junction]
-
A.
St. Kliment Ohridski Station
St. Kliment Ohridski Station is a Bulgarian research base in Antarctica used for scientific studies and exploration.
-
B.
Sofia–Plovdiv railway line
The Sofia–Plovdiv railway line is a major Bulgarian rail corridor linking the capital Sofia with the city of Plovdiv and serving as part of an important trans-European transport route.
-
C.
Dzhankoy railway station
Dzhankoy railway station is a major rail junction in the town of Dzhankoy in Crimea, serving as an important hub for regional and long-distance train routes.
-
D.
Velingrad
Velingrad is a renowned Bulgarian spa town famous for its numerous mineral springs and status as one of the country’s leading balneological and wellness resorts.
-
E.
Vitosha station
Vitosha station is a metro station on the Sofia Metro system in Sofia, Bulgaria, serving the area near Vitosha Mountain.
- 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: Plovdiv railway junction Target entity description: Plovdiv railway junction is a major rail hub in Bulgaria that connects key national and international railway lines across the country.
-
A.
St. Kliment Ohridski Station
St. Kliment Ohridski Station is a Bulgarian research base in Antarctica used for scientific studies and exploration.
-
B.
Sofia–Plovdiv railway line
The Sofia–Plovdiv railway line is a major Bulgarian rail corridor linking the capital Sofia with the city of Plovdiv and serving as part of an important trans-European transport route.
-
C.
Dzhankoy railway station
Dzhankoy railway station is a major rail junction in the town of Dzhankoy in Crimea, serving as an important hub for regional and long-distance train routes.
-
D.
Velingrad
Velingrad is a renowned Bulgarian spa town famous for its numerous mineral springs and status as one of the country’s leading balneological and wellness resorts.
-
E.
Vitosha station
Vitosha station is a metro station on the Sofia Metro system in Sofia, Bulgaria, serving the area near Vitosha Mountain.
- 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_69e0b4a4f9b081908a5a021919c21ccb |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e678734b188190bb2c5863023f9f8c |
completed | April 20, 2026, 7:03 p.m. |
Created at: April 16, 2026, 11:26 a.m.