Triple
T15890389
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ashmont–Braintree branch of the Red Line |
E385302
|
entity |
| Predicate | servesCity |
P82
|
FINISHED |
| Object | Boston, Massachusetts |
E906091
|
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: [Ashmont–Braintree branch of the Red Line, servesCity, Boston, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston, Massachusetts Context triple: [Ashmont–Braintree branch of the Red Line, servesCity, Boston, Massachusetts]
-
A.
Boston, Massachusetts
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 World War II-era American light bomber aircraft, also known as the Douglas A-20 Havoc, used extensively by Allied air forces.
-
D.
Boston
chosen
Boston is a historic coastal city in Massachusetts known for its leading universities, financial and biotech industries, and pivotal role in American history.
-
E.
Boston
Boston is a small town located in Wayne County, Indiana, in the United States.
- 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_69d86da5b800819083a31be937d738b0 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e1561e5ac481908ead7de3140c769d |
completed | April 16, 2026, 9:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffb038dac881909ede37fa7766a249 |
completed | May 9, 2026, 10:07 p.m. |
Created at: April 10, 2026, 4:51 a.m.