Triple
T21331488
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mount Vernon Street (Boston) |
E525911
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object |
MBTA JFK/UMass station vicinity
The MBTA JFK/UMass station vicinity is a transit-oriented area in South Boston that serves as a key access point to the Red Line, the University of Massachusetts Boston, and the Harborwalk waterfront.
|
E1478437
|
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: MBTA JFK/UMass station vicinity | Statement: [Mount Vernon Street (Boston), near, MBTA JFK/UMass station vicinity]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA JFK/UMass station vicinity Context triple: [Mount Vernon Street (Boston), near, MBTA JFK/UMass station vicinity]
-
A.
MBTA Kendall/MIT station
MBTA Kendall/MIT station is a Red Line subway stop in Cambridge, Massachusetts, serving the Massachusetts Institute of Technology and the surrounding Kendall Square area.
-
B.
Kenmore MBTA station
Kenmore MBTA station is a major Boston subway and bus hub on the MBTA Green Line, serving the Kenmore Square area near Fenway Park and Boston University.
-
C.
MBTA Green Line E branch stations
MBTA Green Line E branch stations are light rail stops in Boston and nearby areas served by the E branch of the Massachusetts Bay Transportation Authority’s Green Line.
-
D.
MBTA Wyoming Hill station
MBTA Wyoming Hill station is a commuter rail stop on the Massachusetts Bay Transportation Authority's Haverhill Line serving the Wyoming Square neighborhood of Melrose, Massachusetts.
-
E.
MBTA Lansdowne
MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
- 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: MBTA JFK/UMass station vicinity Triple: [Mount Vernon Street (Boston), near, MBTA JFK/UMass station vicinity]
Generated description
The MBTA JFK/UMass station vicinity is a transit-oriented area in South Boston that serves as a key access point to the Red Line, the University of Massachusetts Boston, and the Harborwalk waterfront.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MBTA JFK/UMass station vicinity Target entity description: The MBTA JFK/UMass station vicinity is a transit-oriented area in South Boston that serves as a key access point to the Red Line, the University of Massachusetts Boston, and the Harborwalk waterfront.
-
A.
MBTA Kendall/MIT station
MBTA Kendall/MIT station is a Red Line subway stop in Cambridge, Massachusetts, serving the Massachusetts Institute of Technology and the surrounding Kendall Square area.
-
B.
Kenmore MBTA station
Kenmore MBTA station is a major Boston subway and bus hub on the MBTA Green Line, serving the Kenmore Square area near Fenway Park and Boston University.
-
C.
MBTA Green Line E branch stations
MBTA Green Line E branch stations are light rail stops in Boston and nearby areas served by the E branch of the Massachusetts Bay Transportation Authority’s Green Line.
-
D.
MBTA Wyoming Hill station
MBTA Wyoming Hill station is a commuter rail stop on the Massachusetts Bay Transportation Authority's Haverhill Line serving the Wyoming Square neighborhood of Melrose, Massachusetts.
-
E.
MBTA Lansdowne
MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
- 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_69e0b51b90788190a4dd823d962626da |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7ab530a1c81909bb37c2a3407d9e6 |
completed | April 21, 2026, 4:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09a5be9c288190b44f760ad94d9fed |
completed | May 17, 2026, 11:25 a.m. |
| NEDg | Description generation | batch_6a09a6922e1c8190a2210b22ed1f31ef |
completed | May 17, 2026, 11:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09a6f4db008190b11b10c45ab20ed5 |
completed | May 17, 2026, 11:31 a.m. |
Created at: April 16, 2026, 4:42 p.m.