Triple
T20368694
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sofia Central Station |
E496986
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Bulgarian railway network |
—
|
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: Bulgarian railway network | Statement: [Sofia Central Station, partOf, Bulgarian railway network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bulgarian railway network Context triple: [Sofia Central Station, partOf, Bulgarian railway network]
-
A.
Bulgarian rail network
chosen
The Bulgarian rail network is the national railway system of Bulgaria, connecting major cities, towns, and border crossings through an extensive system of passenger and freight lines.
-
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.
Romanian railway network
The Romanian railway network is the national system of rail lines and infrastructure in Romania, connecting major cities, industrial centers, and international routes across the country.
-
D.
Sofia–Kulata railway line
The Sofia–Kulata railway line is a major rail route in southwestern Bulgaria that connects the capital Sofia with the Greek border near Kulata, serving as an important international transport corridor.
-
E.
Bulgarian State Railways
Bulgarian State Railways is Bulgaria’s national railway company, responsible for operating the country’s passenger and freight train services.
- 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_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.