Triple
T6207585
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Springfield Union Station |
E138786
|
entity |
| Predicate | busServicesOperator |
P14541
|
FINISHED |
| Object | Pioneer Valley Transit Authority |
E136200
|
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: Pioneer Valley Transit Authority | Statement: [Springfield Union Station, busServicesOperator, Pioneer Valley Transit Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pioneer Valley Transit Authority Context triple: [Springfield Union Station, busServicesOperator, Pioneer Valley Transit Authority]
-
A.
Pioneer Valley Transit Authority
chosen
Pioneer Valley Transit Authority is a regional public transportation agency serving communities in western Massachusetts, including the Amherst area, with bus and paratransit services.
-
B.
Cape Cod Regional Transit Authority
The Cape Cod Regional Transit Authority is a public transportation agency that operates bus and paratransit services throughout Cape Cod, Massachusetts.
-
C.
Worcester Regional Transit Authority
The Worcester Regional Transit Authority is a public transportation agency that operates bus and paratransit services throughout Worcester and surrounding communities in central Massachusetts.
-
D.
Brockton Area Transit Authority
Brockton Area Transit Authority is the public transportation agency that operates local and regional bus services in and around Brockton, Massachusetts.
-
E.
Lowell Regional Transit Authority
The Lowell Regional Transit Authority is a public transportation agency that operates bus and paratransit services in Lowell, Massachusetts and surrounding communities.
- 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: busServicesOperator Context triple: [Springfield Union Station, busServicesOperator, Pioneer Valley Transit Authority]
-
A.
hasBusOperator
chosen
Indicates that a bus service, route, or vehicle is operated or managed by a specific operator or company.
-
B.
hasBusServices
Indicates that one location or entity is served by bus routes or bus transportation provided by another.
-
C.
busSystemName
Indicates that a bus system is identified or referred to by a specific name.
-
D.
transportOperator
Indicates that an entity is responsible for operating or managing the transportation of people or goods between locations.
-
E.
operatedPassengerServices
Indicates that an entity provided and managed transportation services specifically for carrying passengers.
- F. None of above.
Provenance (4 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_69c008ada364819096c9e92c74d639b5 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c06270b8d08190a81bc03c8175b989 |
completed | March 22, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c16f4ce8888190b5cc4f1b091e88f3 |
completed | March 23, 2026, 4:50 p.m. |
| PD | Predicate disambiguation | batch_69c055fdea3c81908f5d910f0d36234a |
completed | March 22, 2026, 8:50 p.m. |
Created at: March 22, 2026, 4:20 p.m.