Triple
T21577974
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transportation in Middlesex County, Massachusetts |
E532448
|
entity |
| Predicate | regionalTransitAuthority |
P20657
|
FINISHED |
| Object | Merrimack Valley Regional Transit Authority |
—
|
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: Merrimack Valley Regional Transit Authority | Statement: [Transportation in Middlesex County, Massachusetts, regionalTransitAuthority, Merrimack Valley Regional Transit Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Merrimack Valley Regional Transit Authority Context triple: [Transportation in Middlesex County, Massachusetts, regionalTransitAuthority, Merrimack Valley Regional Transit Authority]
-
A.
Merrimack Valley Regional Transit Authority
chosen
Merrimack Valley Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the Merrimack Valley region of northeastern Massachusetts.
-
B.
Montachusett Regional Transit Authority
Montachusett Regional Transit Authority is a public transportation agency serving the Montachusett region of north-central Massachusetts with bus and paratransit services.
-
C.
Berkshire Regional Transit Authority
Berkshire Regional Transit Authority is a public transportation agency that provides bus and paratransit services to communities in Berkshire County, Massachusetts.
-
D.
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.
-
E.
MetroWest Regional Transit Authority
MetroWest Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the MetroWest region of Massachusetts.
- 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: regionalTransitAuthority Context triple: [Transportation in Middlesex County, Massachusetts, regionalTransitAuthority, Merrimack Valley Regional Transit Authority]
-
A.
transitAuthorityAbbreviation
Indicates that one entity is the standard abbreviated form of the name of a particular transit authority.
-
B.
roadTransportAuthority
Indicates that an entity serves as the official authority responsible for regulating, managing, or overseeing road transportation for another entity or area.
-
C.
hasPublicTransportAgency
chosen
Indicates that a place or transport system is served, managed, or overseen by a specific public transportation agency.
-
D.
formerTransportAuthority
Indicates that an entity previously served as a transport authority for another entity but no longer holds that role.
-
E.
transportAuthorityType
Indicates the specific kind or category of authority responsible for overseeing or regulating transportation.
- F. None of above.
Provenance (3 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_69e0c4618bec8190bcb0feb74568cbb1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eeeb59cee08190aae55ad6e2a4e077 |
completed | April 27, 2026, 4:51 a.m. |
| PD | Predicate disambiguation | batch_69e6320c8c2c81908bf031447d66a052 |
completed | April 20, 2026, 2:02 p.m. |
Created at: April 16, 2026, 6:31 p.m.