Triple
T10899833
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Needham Line |
E257407
|
entity |
| Predicate | servesCity |
P82
|
FINISHED |
| Object | Boston, Massachusetts |
E884
|
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: Boston, Massachusetts | Statement: [MBTA Commuter Rail Needham Line, servesCity, Boston, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston, Massachusetts Context triple: [MBTA Commuter Rail Needham Line, servesCity, Boston, Massachusetts]
-
A.
Boston, Massachusetts
chosen
Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
-
B.
Washington, Massachusetts
Washington, Massachusetts is a small rural town in Berkshire County in western Massachusetts, known for its forested landscape and proximity to the Berkshire Mountains.
-
C.
Boston
Boston is a historic market town and port in Lincolnshire, England, known for its medieval church St Botolph's ("The Stump") and its role in early English Puritan emigration to America.
-
D.
Boston
Boston is a historic market town and port in Lincolnshire, England, known for its medieval church St Botolph's ("The Stump") and its role in the origins of the Pilgrim Fathers.
-
E.
Boston
Boston is a historic market and port town in Lincolnshire, England, known for its medieval church St Botolph's ("The Stump") and its role in early Puritan emigration to America.
- 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_69d6aa8550c8819095508a2ed9acf3db |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d761a2392c8190bc2c2359d63eff7a |
completed | April 9, 2026, 8:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e2d6ec38408190929b5e60a9a3e81e |
completed | April 18, 2026, 12:57 a.m. |
Created at: April 8, 2026, 9:21 p.m.