Triple
T598485
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Broadway |
E11439
|
entity |
| Predicate | formerName |
P65
|
FINISHED |
| Object |
Broadway–South Boston
Broadway–South Boston was the former name of the MBTA Red Line rapid transit station now known simply as Broadway in South Boston, Massachusetts.
|
E134404
|
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: Broadway–South Boston | Statement: [Broadway, formerName, Broadway–South Boston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Broadway–South Boston Context triple: [Broadway, formerName, Broadway–South Boston]
-
A.
Dorchester Avenue
Dorchester Avenue is a major thoroughfare in Boston’s Dorchester neighborhood, lined with residential, commercial, and cultural landmarks and serving as a key local transit corridor.
-
B.
Brattle Street
Brattle Street is a historic thoroughfare in Cambridge, Massachusetts, known for its colonial-era houses, cultural landmarks, and proximity to Harvard University.
-
C.
Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
-
D.
Beacon Street
Beacon Street is a historic thoroughfare in Boston, Massachusetts, known for running along the Boston Common and past prominent landmarks in the Beacon Hill neighborhood.
-
E.
King Street, Boston
King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
- 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: Broadway–South Boston Triple: [Broadway, formerName, Broadway–South Boston]
Generated description
Broadway–South Boston was the former name of the MBTA Red Line rapid transit station now known simply as Broadway in South Boston, Massachusetts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Broadway–South Boston Target entity description: Broadway–South Boston was the former name of the MBTA Red Line rapid transit station now known simply as Broadway in South Boston, Massachusetts.
-
A.
Dorchester Avenue
Dorchester Avenue is a major thoroughfare in Boston’s Dorchester neighborhood, lined with residential, commercial, and cultural landmarks and serving as a key local transit corridor.
-
B.
Brattle Street
Brattle Street is a historic thoroughfare in Cambridge, Massachusetts, known for its colonial-era houses, cultural landmarks, and proximity to Harvard University.
-
C.
Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
-
D.
Beacon Street
Beacon Street is a historic thoroughfare in Boston, Massachusetts, known for running along the Boston Common and past prominent landmarks in the Beacon Hill neighborhood.
-
E.
King Street, Boston
King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
- 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_69a4932779b881908688590d59c71900 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49d776c6c819081b41a9b55041cd5 |
completed | March 1, 2026, 8:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac6ef6be388190b4a8da5795a19aaf |
completed | March 7, 2026, 6:31 p.m. |
| NEDg | Description generation | batch_69ac6fb8bd148190b488dfb9f29438e6 |
completed | March 7, 2026, 6:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac6feadf7c8190918fc0c606df10d5 |
completed | March 7, 2026, 6:35 p.m. |
Created at: March 1, 2026, 7:35 p.m.