Triple
T15878727
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line Medford/Tufts branch |
E385017
|
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: [Green Line Medford/Tufts branch, serves, Somerville]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Somerville Context triple: [Green Line Medford/Tufts branch, serves, Somerville]
-
A.
Somerville
Somerville is a Scottish surname most famously associated with Mary Somerville, the pioneering 19th-century science writer and polymath.
-
B.
Somerville
Somerville is a neighborhood in the New York City borough of Queens, known for its residential character within the Rockaway Peninsula area.
-
C.
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.
-
D.
Medford
Medford is a city in southern Oregon that serves as a regional commercial and transportation hub in the Rogue Valley.
-
E.
Medford
Medford is a hamlet and residential community located within the Town of Brookhaven in Suffolk County on Long Island, New York.
- 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_69d86da4e86481909f1325fdc971b5ec |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e155ff96588190b8fca1c3bf4a39a2 |
completed | April 16, 2026, 9:34 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a000777c6a08190a4deed9952179be5 |
completed | May 10, 2026, 4:20 a.m. |
Created at: April 10, 2026, 4:51 a.m.