Triple
T3224375
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Roxbury Crossing station |
E67587
|
entity |
| Predicate | formerService |
P1294
|
FINISHED |
| Object |
Washington Street Elevated
Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
|
E338777
|
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: Washington Street Elevated | Statement: [Roxbury Crossing station, formerService, Washington Street Elevated]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Washington Street Elevated Context triple: [Roxbury Crossing station, formerService, Washington Street Elevated]
-
A.
Kennedy Expressway
The Kennedy Expressway is a major Chicago freeway that carries Interstate 90/94 traffic between downtown and the city's northwest side, including the route to O'Hare International Airport.
-
B.
Eisenhower Expressway
The Eisenhower Expressway is a major Chicago-area freeway (Interstate 290) that runs west from downtown Chicago, serving as a key commuter and transit corridor through the city's western suburbs.
-
C.
Washington Boulevard
Washington Boulevard is a major thoroughfare in Pasadena, California, forming part of the boundary of the historic Bungalow Heaven neighborhood.
-
D.
Washington Boulevard
Washington Boulevard is a major east–west thoroughfare in Los Angeles County that passes through numerous neighborhoods and commercial districts, including Arlington Heights.
-
E.
Vine Street Expressway
The Vine Street Expressway is a major limited-access highway in Philadelphia, Pennsylvania, that carries Interstate 676 through the city’s downtown.
- 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: Washington Street Elevated Triple: [Roxbury Crossing station, formerService, Washington Street Elevated]
Generated description
Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Washington Street Elevated Target entity description: Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
-
A.
Kennedy Expressway
The Kennedy Expressway is a major Chicago freeway that carries Interstate 90/94 traffic between downtown and the city's northwest side, including the route to O'Hare International Airport.
-
B.
Eisenhower Expressway
The Eisenhower Expressway is a major Chicago-area freeway (Interstate 290) that runs west from downtown Chicago, serving as a key commuter and transit corridor through the city's western suburbs.
-
C.
Washington Boulevard
Washington Boulevard is a major thoroughfare in Pasadena, California, forming part of the boundary of the historic Bungalow Heaven neighborhood.
-
D.
Washington Boulevard
Washington Boulevard is a major east–west thoroughfare in Los Angeles County that passes through numerous neighborhoods and commercial districts, including Arlington Heights.
-
E.
Vine Street Expressway
The Vine Street Expressway is a major limited-access highway in Philadelphia, Pennsylvania, that carries Interstate 676 through the city’s downtown.
- 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_69ad858b8adc8190ad989712c87a476b |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69adae1ae8f08190880d0f0e8539cdbc |
completed | March 8, 2026, 5:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b2625a22148190927b2a63ae3fc726 |
completed | March 12, 2026, 6:51 a.m. |
| NEDg | Description generation | batch_69b264c6022c81908b3235e88a7ed27f |
completed | March 12, 2026, 7:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b268bd0d3c8190a60dda0a9086c0cc |
completed | March 12, 2026, 7:18 a.m. |
Created at: March 8, 2026, 3:08 p.m.