Triple
T7500717
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail (Old Colony Lines at JFK/UMass) |
E177251
|
entity |
| Predicate | passesThrough |
P225
|
FINISHED |
| Object | Dorchester, Boston |
E244070
|
NE FINISHED |
How this triple was built (2 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: Dorchester, Boston | Statement: [MBTA Commuter Rail (Old Colony Lines at JFK/UMass), passesThrough, Dorchester, Boston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dorchester, Boston Context triple: [MBTA Commuter Rail (Old Colony Lines at JFK/UMass), passesThrough, Dorchester, Boston]
-
A.
Dorchester
Dorchester is a historic market town in Dorset, England, known as the county town and closely associated with the life and works of novelist Thomas Hardy.
-
B.
Dorchester
Dorchester is one of the earliest English settlements in New England, now a historic neighborhood of Boston, Massachusetts.
-
C.
Dorchester neighborhood of Boston
chosen
The Dorchester neighborhood of Boston is a large, diverse residential area known for its historic streets, vibrant immigrant communities, and active commercial hubs.
-
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.
North End, Boston
North End, Boston is the city's oldest residential neighborhood, famed for its historic sites like the Paul Revere House and its vibrant Italian-American culture, restaurants, and festivals.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69c69f2696688190915a8458f2398211 |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f59aabb8819085bdbe9c793d5b8b |
completed | March 27, 2026, 9:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c84608021481908ce58a131d75188b |
completed | March 28, 2026, 9:20 p.m. |
Created at: March 27, 2026, 3:44 p.m.