Triple
T4488761
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Neponset River |
E107314
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object |
Neponset River Bridge
The Neponset River Bridge is a roadway bridge in the Boston area that carries traffic across the Neponset River, connecting the neighborhoods of Boston and Quincy, Massachusetts.
|
E545817
|
NE FINISHED |
How this triple was built (4 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: Neponset River Bridge | Statement: [Neponset River, hasBridge, Neponset River Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Neponset River Bridge Context triple: [Neponset River, hasBridge, Neponset River Bridge]
-
A.
Piscataqua River Bridge
The Piscataqua River Bridge is a major highway bridge carrying Interstate 95 over the Piscataqua River between Maine and New Hampshire in the northeastern United States.
-
B.
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was a 19th-century bridge over the Charles River in Boston that historically connected Boston to Cambridge before being superseded by the Longfellow Bridge.
-
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.
Seaport Boulevard Bridge
The Seaport Boulevard Bridge is a major roadway bridge in Boston, Massachusetts, carrying Seaport Boulevard across Fort Point Channel to connect downtown with the Seaport District.
-
E.
Mystic River Bridge
The Mystic River Bridge, officially known as the Maurice J. Tobin Memorial Bridge, is a major steel cantilever roadway bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Neponset River Bridge Triple: [Neponset River, hasBridge, Neponset River Bridge]
Generated description
The Neponset River Bridge is a roadway bridge in the Boston area that carries traffic across the Neponset River, connecting the neighborhoods of Boston and Quincy, Massachusetts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Neponset River Bridge Target entity description: The Neponset River Bridge is a roadway bridge in the Boston area that carries traffic across the Neponset River, connecting the neighborhoods of Boston and Quincy, Massachusetts.
-
A.
Piscataqua River Bridge
The Piscataqua River Bridge is a major highway bridge carrying Interstate 95 over the Piscataqua River between Maine and New Hampshire in the northeastern United States.
-
B.
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.
-
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.
Seaport Boulevard Bridge
The Seaport Boulevard Bridge is a major roadway bridge in Boston, Massachusetts, carrying Seaport Boulevard across Fort Point Channel to connect downtown with the Seaport District.
-
E.
Mystic River Bridge
The Mystic River Bridge, officially known as the Maurice J. Tobin Memorial Bridge, is a major steel cantilever roadway bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
- F. None of above. chosen
Provenance (5 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_69bd43f84f788190a1383579c4a595be |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd52ad36748190b791de458f2116b2 |
completed | March 20, 2026, 1:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c07d33a65481908c7ab4473bed1320 |
completed | March 22, 2026, 11:37 p.m. |
| NEDg | Description generation | batch_69c08c54755c819099decf3b6e4c6792 |
completed | March 23, 2026, 12:41 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c08cc71a9c8190ac3aa082cb7bf0fc |
completed | March 23, 2026, 12:43 a.m. |
Created at: March 20, 2026, 12:59 p.m.