Triple
T3974761
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Boston Elevated Railway |
E85612
|
entity |
| Predicate | operatedLine |
P848
|
FINISHED |
| Object |
Atlantic Avenue Elevated
Atlantic Avenue Elevated was an early 20th-century elevated railway line in Boston that ran along the city’s waterfront, providing rapid transit service before its closure and demolition.
|
E405007
|
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: Atlantic Avenue Elevated | Statement: [Boston Elevated Railway, operatedLine, Atlantic Avenue Elevated]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Atlantic Avenue Elevated Context triple: [Boston Elevated Railway, operatedLine, Atlantic Avenue Elevated]
-
A.
Atlantic Avenue
Atlantic Avenue is a major thoroughfare in Brooklyn, New York City, known for its mix of residential, commercial, and cultural landmarks.
-
B.
Atlantic Avenue
Atlantic Avenue is a primary thoroughfare in Oceanside, New York, serving as a key commercial and commuter route through the community.
-
C.
Main Line Elevated
Main Line Elevated was Boston’s original elevated rapid transit line that formed the core of what is now the MBTA Orange Line.
-
D.
Cross Bay Boulevard
Cross Bay Boulevard is a major thoroughfare in Queens, New York City, running through neighborhoods such as Howard Beach and providing access toward the Rockaway Peninsula.
-
E.
Crossing Delancey
Crossing Delancey is a 1988 romantic comedy film about a modern New York woman torn between her independent lifestyle and the traditional matchmaking of her Jewish grandmother.
- 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: Atlantic Avenue Elevated Triple: [Boston Elevated Railway, operatedLine, Atlantic Avenue Elevated]
Generated description
Atlantic Avenue Elevated was an early 20th-century elevated railway line in Boston that ran along the city’s waterfront, providing rapid transit service before its closure and demolition.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Atlantic Avenue Elevated Target entity description: Atlantic Avenue Elevated was an early 20th-century elevated railway line in Boston that ran along the city’s waterfront, providing rapid transit service before its closure and demolition.
-
A.
Atlantic Avenue
Atlantic Avenue is a major thoroughfare in Brooklyn, New York City, known for its mix of residential, commercial, and cultural landmarks.
-
B.
Atlantic Avenue
Atlantic Avenue is a primary thoroughfare in Oceanside, New York, serving as a key commercial and commuter route through the community.
-
C.
Main Line Elevated
Main Line Elevated was Boston’s original elevated rapid transit line that formed the core of what is now the MBTA Orange Line.
-
D.
Cross Bay Boulevard
Cross Bay Boulevard is a major thoroughfare in Queens, New York City, running through neighborhoods such as Howard Beach and providing access toward the Rockaway Peninsula.
-
E.
Crossing Delancey
Crossing Delancey is a 1988 romantic comedy film about a modern New York woman torn between her independent lifestyle and the traditional matchmaking of her Jewish grandmother.
- 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_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_69b5401712188190aa6144dc1d5dcab6 |
completed | March 14, 2026, 11:01 a.m. |
| NEDg | Description generation | batch_69b54411546481908627a8b3ce7a433a |
completed | March 14, 2026, 11:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b544a02d5c8190a76a074cc7e98cc5 |
completed | March 14, 2026, 11:21 a.m. |
Created at: March 9, 2026, 3:32 p.m.