Triple
T639040
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | the T |
E16690
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object |
Boston T
Boston T is the public rapid transit system serving the Greater Boston area, operated by the Massachusetts Bay Transportation Authority (MBTA).
|
E85611
|
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: Boston T | Statement: [the T, alsoKnownAs, Boston T]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston T Context triple: [the T, alsoKnownAs, Boston T]
-
A.
BOS
BOS is the three-letter IATA airport code for Boston Logan International Airport, the primary airport serving the Boston, Massachusetts area.
-
B.
Boston, Massachusetts
Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
-
C.
Foxborough, Massachusetts
Foxborough, Massachusetts is a town in Norfolk County best known as the home of Gillette Stadium and the NFL’s New England Patriots.
-
D.
Chelsea, Massachusetts
Chelsea, Massachusetts is a small, densely populated city just north of Boston known for its industrial history, diverse immigrant communities, and location along the Mystic River.
-
E.
Lowell, Massachusetts
Lowell, Massachusetts is a historic New England city known as a cradle of the American Industrial Revolution and a center of early textile manufacturing.
- 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: Boston T Triple: [the T, alsoKnownAs, Boston T]
Generated description
Boston T is the public rapid transit system serving the Greater Boston area, operated by the Massachusetts Bay Transportation Authority (MBTA).
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Boston T Target entity description: Boston T is the public rapid transit system serving the Greater Boston area, operated by the Massachusetts Bay Transportation Authority (MBTA).
-
A.
BOS
BOS is the three-letter IATA airport code for Boston Logan International Airport, the primary airport serving the Boston, Massachusetts area.
-
B.
Boston, Massachusetts
Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
-
C.
Foxborough, Massachusetts
Foxborough, Massachusetts is a town in Norfolk County best known as the home of Gillette Stadium and the NFL’s New England Patriots.
-
D.
Chelsea, Massachusetts
Chelsea, Massachusetts is a small, densely populated city just north of Boston known for its industrial history, diverse immigrant communities, and location along the Mystic River.
-
E.
Lowell, Massachusetts
Lowell, Massachusetts is a historic New England city known as a cradle of the American Industrial Revolution and a center of early textile manufacturing.
- 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_69a4936be1c88190af56540324b57da7 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a49f00260081909d1a679182e23d10 |
completed | March 1, 2026, 8:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a5dc93fd28819088ece7790ff19270 |
completed | March 2, 2026, 6:53 p.m. |
| NEDg | Description generation | batch_69a5debae16081909f167598cb20dbf6 |
completed | March 2, 2026, 7:02 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a5fe46b8f48190b6a7e96fcac30d9f |
completed | March 2, 2026, 9:16 p.m. |
Created at: March 1, 2026, 7:35 p.m.