Triple
T3910429
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Charles River (Boston and Cambridge) |
E87306
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object | Boston University Bridge |
E36108
|
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 University Bridge | Statement: [Charles River (Boston and Cambridge), crossedBy, Boston University Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston University Bridge Context triple: [Charles River (Boston and Cambridge), crossedBy, Boston University Bridge]
-
A.
Boston University Bridge
chosen
The Boston University Bridge is a steel truss bridge in Boston, Massachusetts, notable for carrying both road traffic and the MBTA Green Line over the Charles River near the Boston University campus.
-
B.
Harvard Bridge
Harvard Bridge is a long roadway bridge in Boston and Cambridge, Massachusetts, best known for carrying Massachusetts Avenue over the Charles River and for its quirky "smoot" length measurement.
-
C.
Commonwealth Avenue Bridge
The Commonwealth Avenue Bridge is a major road bridge in Canberra, Australia, carrying Commonwealth Avenue across Lake Burley Griffin and linking the city centre with the Parliamentary Triangle.
-
D.
West Boston Bridge
West Boston Bridge was a 19th-century bridge over the Charles River in Boston that historically connected Boston to Cambridge before being superseded by the Longfellow Bridge.
-
E.
Longfellow Bridge
Longfellow Bridge is a historic steel and granite bridge in Boston, Massachusetts, known for carrying road and rail traffic between Boston and Cambridge across the Charles River.
- 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_69aed9424514819086e9c58adde6652d |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aeed3408f881908c3cffc5dbfe3950 |
completed | March 9, 2026, 3:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5285851248190a18cea371aacbc49 |
completed | March 14, 2026, 9:20 a.m. |
Created at: March 9, 2026, 3:22 p.m.