Triple
T3974734
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Boston T |
E85611
|
entity |
| Predicate | hasCentralTransferComplex |
P19218
|
FINISHED |
| Object | Park Street station |
E52432
|
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: Park Street station | Statement: [Boston T, hasCentralTransferComplex, Park Street station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Park Street station Context triple: [Boston T, hasCentralTransferComplex, Park Street station]
-
A.
Park Street station
chosen
Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
-
B.
Washington Street station
Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
-
C.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
-
D.
Spring Street station
Spring Street station is a New York City Subway station in Lower Manhattan that serves the SoHo neighborhood.
-
E.
Ruggles station
Ruggles station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains, multiple commuter rail lines, and numerous bus routes.
- 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: hasCentralTransferComplex Context triple: [Boston T, hasCentralTransferComplex, Park Street station]
-
A.
hasCentralLandmark
Indicates that a place or area contains a primary or defining landmark located at or near its center.
-
B.
hasCentralSpace
chosen
Indicates that an entity includes or is characterized by a primary, central area or space within its overall structure.
-
C.
hasCentralAct
Indicates that an entity includes or is characterized by a primary or most important action, event, or operation at its core.
-
D.
hasCentralGroup
Indicates that an entity possesses or is associated with a primary or central group within its structure or organization.
-
E.
hasCentralClaim
Indicates that one entity presents or embodies the main assertion, thesis, or primary point made by another entity.
- 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_69aed93908348190a26c8aaf4fab3e86 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefaca33e4819091957c7915857a42 |
completed | March 9, 2026, 4:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bd678c2c088190a67867248f89c46a |
completed | March 20, 2026, 3:28 p.m. |
| PD | Predicate disambiguation | batch_69aef8f252b081909749d40440d372b2 |
completed | March 9, 2026, 4:44 p.m. |
Created at: March 9, 2026, 3:32 p.m.