Triple
T3014460
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Lowell Line |
E82302
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Somerville |
E10643
|
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: Somerville | Statement: [MBTA Commuter Rail Lowell Line, serves, Somerville]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Somerville Context triple: [MBTA Commuter Rail Lowell Line, serves, Somerville]
-
A.
Somerville, Massachusetts
chosen
Somerville, Massachusetts is a densely populated, historically working-class city just northwest of Boston known for its vibrant arts scene, diverse communities, and lively squares such as Davis and Union Square.
-
B.
Medford
Medford is a city in southern Oregon that serves as a regional commercial and transportation hub in the Rogue Valley.
-
C.
Norwood
Norwood is the surname of American singer, songwriter, and actress Brandy, known for her influential R&B music career and roles in film and television.
-
D.
Norwood
Norwood is a residential neighborhood in the Bronx, New York City, known for its diverse community and proximity to Van Cortlandt Park.
-
E.
Acton
Acton is an inner suburb of Canberra, Australia, known for housing major national institutions such as the Australian National University and several key cultural and research facilities.
- 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_69ad8b1eb53481908c39bbcd1ec104b2 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad9a69e8148190a97507740c9d26a8 |
completed | March 8, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b2f3af69288190869eb648d15ad5e7 |
completed | March 12, 2026, 5:11 p.m. |
Created at: March 8, 2026, 3 p.m.