Triple
T3974769
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Boston Elevated Railway |
E85612
|
entity |
| Predicate | operatedInCity |
P3936
|
FINISHED |
| Object | Somerville, Massachusetts |
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, Massachusetts | Statement: [Boston Elevated Railway, operatedInCity, Somerville, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Somerville, Massachusetts Context triple: [Boston Elevated Railway, operatedInCity, Somerville, Massachusetts]
-
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, Massachusetts
Medford, Massachusetts is a historic city just northwest of Boston, known for being the home of Tufts University and for its role in early American colonial and industrial history.
-
C.
Malden, Massachusetts
Malden, Massachusetts is a suburban city just north of Boston known for its diverse population, historic neighborhoods, and mix of residential and commercial areas.
-
D.
Peabody, Massachusetts
Peabody, Massachusetts is a historic North Shore city known for its leather industry heritage and as a residential and commercial hub north of Boston.
-
E.
Newton, Massachusetts
Newton, Massachusetts is a suburban city west of Boston known for its affluent residential neighborhoods, strong public schools, and village-style layout without a traditional downtown.
- 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_69aed93908348190a26c8aaf4fab3e86 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aef9b511f88190afca12c77481b344 |
completed | March 9, 2026, 4:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdd34ff23481908bfd853f760cc153 |
completed | March 20, 2026, 11:08 p.m. |
Created at: March 9, 2026, 3:32 p.m.