Triple
T17577955
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alexandra bus boycott of 1957 |
E428120
|
entity |
| Predicate | hasParticipant |
P149
|
FINISHED |
| Object | bus company PUTCO |
—
|
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: bus company PUTCO | Statement: [Alexandra bus boycott of 1957, hasParticipant, bus company PUTCO]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: bus company PUTCO Context triple: [Alexandra bus boycott of 1957, hasParticipant, bus company PUTCO]
-
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.
BoltBus
BoltBus is a low-cost intercity bus service in the United States and Canada known for offering budget-friendly fares and modern onboard amenities.
-
C.
PostBus Ltd
PostBus Ltd is a public transport company best known for operating regional and intercity bus services, often under the PostBus brand.
-
D.
GO Bus
GO Bus is the intercity and regional bus service operated by GO Transit, providing public transportation across the Greater Toronto and Hamilton Area and surrounding regions in Ontario, Canada.
-
E.
EastCoastbuses
EastCoastbuses is a Scottish bus operator providing local and regional services in East Lothian and surrounding areas.
- 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: bus company PUTCO Target entity description: Bus company PUTCO is a major South African public transport operator historically known for running commuter bus services in and around Johannesburg and for its central role in apartheid-era labor and fare disputes.
-
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.
BoltBus
BoltBus is a low-cost intercity bus service in the United States and Canada known for offering budget-friendly fares and modern onboard amenities.
-
C.
PostBus Ltd
PostBus Ltd is a public transport company best known for operating regional and intercity bus services, often under the PostBus brand.
-
D.
GO Bus
GO Bus is the intercity and regional bus service operated by GO Transit, providing public transportation across the Greater Toronto and Hamilton Area and surrounding regions in Ontario, Canada.
-
E.
EastCoastbuses
EastCoastbuses is a Scottish bus operator providing local and regional services in East Lothian and surrounding areas.
- 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_69d889e0385081908a04b66f4dd4bd0d |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e463cb40088190b726f2c026358cf2 |
completed | April 19, 2026, 5:10 a.m. |
Created at: April 10, 2026, 5:50 a.m.