Triple
T14077585
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington Street Elevated |
E338777
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object |
Charlestown Elevated via Main Line Elevated
Charlestown Elevated via Main Line Elevated was a former elevated rapid transit line in Boston that carried Main Line (later Orange Line) trains through the Charlestown area before its eventual demolition and replacement by modern subway infrastructure.
|
E1077170
|
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: Charlestown Elevated via Main Line Elevated | Statement: [Washington Street Elevated, connectedTo, Charlestown Elevated via Main Line Elevated]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charlestown Elevated via Main Line Elevated Context triple: [Washington Street Elevated, connectedTo, Charlestown Elevated via Main Line Elevated]
-
A.
Fulton Street Line
The Fulton Street Line is a major New York City Subway corridor in Brooklyn and Manhattan that carries IND services such as the A and C trains along Fulton Street.
-
B.
Metropolitan West Side Elevated Railroad
The Metropolitan West Side Elevated Railroad was an early elevated transit line in Chicago that formed part of the city’s first rapid transit system on the West Side.
-
C.
Lenox Avenue Line
The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
-
D.
Third Avenue Line
The Third Avenue Line was a major elevated railway in Manhattan that once formed a key part of New York City's early rapid transit system.
-
E.
Bronx elevated lines
The Bronx elevated lines were early New York City rapid transit routes consisting of elevated railway tracks extending service from Manhattan into the Bronx.
- 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: Charlestown Elevated via Main Line Elevated Triple: [Washington Street Elevated, connectedTo, Charlestown Elevated via Main Line Elevated]
Generated description
Charlestown Elevated via Main Line Elevated was a former elevated rapid transit line in Boston that carried Main Line (later Orange Line) trains through the Charlestown area before its eventual demolition and replacement by modern subway infrastructure.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Charlestown Elevated via Main Line Elevated Target entity description: Charlestown Elevated via Main Line Elevated was a former elevated rapid transit line in Boston that carried Main Line (later Orange Line) trains through the Charlestown area before its eventual demolition and replacement by modern subway infrastructure.
-
A.
Fulton Street Line
The Fulton Street Line is a major New York City Subway corridor in Brooklyn and Manhattan that carries IND services such as the A and C trains along Fulton Street.
-
B.
Metropolitan West Side Elevated Railroad
The Metropolitan West Side Elevated Railroad was an early elevated transit line in Chicago that formed part of the city’s first rapid transit system on the West Side.
-
C.
Lenox Avenue Line
The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
-
D.
Third Avenue Line
The Third Avenue Line was a major elevated railway in Manhattan that once formed a key part of New York City's early rapid transit system.
-
E.
Bronx elevated lines
The Bronx elevated lines were early New York City rapid transit routes consisting of elevated railway tracks extending service from Manhattan into the Bronx.
- 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_69d81c687b0c819087fd9ed4198403f8 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5c5cdd288190914e1d57321b3554 |
completed | April 14, 2026, 3:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb670f51c819088e8d0137f8d3bb1 |
completed | May 7, 2026, 3:57 p.m. |
| NEDg | Description generation | batch_69fcbef464248190881012d92777557c |
completed | May 7, 2026, 4:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcbfbae7608190a8d8cf0fa270df9d |
completed | May 7, 2026, 4:37 p.m. |
Created at: April 9, 2026, 10:21 p.m.