Triple
T20368698
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sofia Central Station |
E496986
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | BDZ Passenger Services |
—
|
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: BDZ Passenger Services | Statement: [Sofia Central Station, servedBy, BDZ Passenger Services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BDZ Passenger Services Context triple: [Sofia Central Station, servedBy, BDZ Passenger Services]
-
A.
National Bus Company
The National Bus Company was a large state-owned operator that oversaw most local and regional bus services in England and Wales from the late 1960s until its privatization in the 1980s.
-
B.
National Express Coaches
National Express Coaches is a major long-distance coach operator in the United Kingdom, providing intercity and airport bus services across an extensive national network.
-
C.
Dan Bus Company
Dan Bus Company is a major Israeli public transportation operator, best known for running extensive bus services in the Tel Aviv metropolitan area.
-
D.
First Bus
First Bus is a major UK bus operator providing local and regional public transport services in numerous towns and cities.
-
E.
Golden Arrow Bus Services
Golden Arrow Bus Services is a major public bus operator in Cape Town, South Africa, providing commuter transport across the city and its surrounding suburbs.
- 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: BDZ Passenger Services Target entity description: BDZ Passenger Services is the passenger rail division of Bulgaria's national railway company, operating domestic and international train services across the country.
-
A.
National Bus Company
The National Bus Company was a large state-owned operator that oversaw most local and regional bus services in England and Wales from the late 1960s until its privatization in the 1980s.
-
B.
National Express Coaches
National Express Coaches is a major long-distance coach operator in the United Kingdom, providing intercity and airport bus services across an extensive national network.
-
C.
Dan Bus Company
Dan Bus Company is a major Israeli public transportation operator, best known for running extensive bus services in the Tel Aviv metropolitan area.
-
D.
First Bus
First Bus is a major UK bus operator providing local and regional public transport services in numerous towns and cities.
-
E.
Golden Arrow Bus Services
Golden Arrow Bus Services is a major public bus operator in Cape Town, South Africa, providing commuter transport across the city and its surrounding suburbs.
- 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.