Triple
T8292533
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail fare zones |
E193934
|
entity |
| Predicate | centralReferencePoint |
P18768
|
FINISHED |
| Object | downtown Boston |
E95364
|
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: downtown Boston | Statement: [MBTA Commuter Rail fare zones, centralReferencePoint, downtown Boston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: downtown Boston Context triple: [MBTA Commuter Rail fare zones, centralReferencePoint, downtown Boston]
-
A.
Downtown Boston
chosen
Downtown Boston is the city’s historic and commercial core, known for its dense cluster of landmarks, offices, and shopping areas.
-
B.
Boston town centre
Boston town centre is the historic commercial and civic heart of Boston, Lincolnshire, featuring traditional markets, shops, and notable heritage buildings.
-
C.
South Boston
South Boston is a densely populated waterfront neighborhood of Boston, Massachusetts, known for its strong Irish-American heritage and rapidly gentrifying urban landscape.
-
D.
South End, Boston
South End, Boston is a historic, densely populated neighborhood known for its Victorian brownstone architecture, diverse community, and vibrant arts and dining scene just south of downtown Boston.
-
E.
West End, Boston
West End, Boston is a historic neighborhood just north of downtown Boston, known for its mid-20th-century urban renewal that dramatically reshaped the area and for landmarks like TD Garden and Massachusetts General Hospital.
- 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: centralReferencePoint Context triple: [MBTA Commuter Rail fare zones, centralReferencePoint, downtown Boston]
-
A.
centralPointSymbolizes
Indicates that a central point stands for, represents, or embodies a particular concept, value, or meaning within a given context.
-
B.
centerOfOrigin
Indicates the place or region where something (such as a species, product, idea, or movement) originally began or was first developed.
-
C.
centralPointCalled
Indicates that a central point or focal location is designated or referred to by a specific name.
-
D.
centralLocation
chosen
Indicates that one entity serves as the primary or central place associated with another entity.
-
E.
centralIn
Indicates that one entity occupies a central or most important position within another entity, context, or structure.
- 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_69ca82e32db481908b72f3804fa71152 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb7c9ccbfc81908825685c23b80d23 |
completed | March 31, 2026, 7:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd6899b818819090c80a8eba7d5d4c |
completed | April 1, 2026, 6:48 p.m. |
| PD | Predicate disambiguation | batch_69cb70b5b5348190b296e0ecec95de60 |
completed | March 31, 2026, 6:59 a.m. |
Created at: March 30, 2026, 5:52 p.m.