Triple
T38459
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Red Line |
E761
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
North Quincy
North Quincy is a rapid transit station in Quincy, Massachusetts, on the Massachusetts Bay Transportation Authority’s Red Line.
|
E32015
|
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: North Quincy | Statement: [MBTA Red Line, servesStation, North Quincy]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Quincy Context triple: [MBTA Red Line, servesStation, North Quincy]
-
A.
Quincy
Quincy is a coastal city in eastern Massachusetts known as the "City of Presidents" for being the birthplace of U.S. presidents John Adams and John Quincy Adams.
-
B.
Brookline
Brookline is an affluent, historic suburban town directly bordering Boston, known for its tree-lined streets, excellent public schools, and vibrant residential neighborhoods.
-
C.
West Concord
West Concord is a village and commuter rail stop in Concord, Massachusetts, serving as a suburban residential and transit hub west of Boston.
-
D.
Chestnut Hill, Newton
Chestnut Hill, Newton is an affluent residential village in the city of Newton, Massachusetts, known for its historic homes, tree-lined streets, and proximity to Boston College and the Chestnut Hill Reservoir.
-
E.
Springfield, Massachusetts
Springfield, Massachusetts is a historic city in western Massachusetts known as the birthplace of basketball and a former industrial and transportation hub along the Connecticut River.
- 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: North Quincy Triple: [MBTA Red Line, servesStation, North Quincy]
Generated description
North Quincy is a rapid transit station in Quincy, Massachusetts, on the Massachusetts Bay Transportation Authority’s Red Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: North Quincy Target entity description: North Quincy is a rapid transit station in Quincy, Massachusetts, on the Massachusetts Bay Transportation Authority’s Red Line.
-
A.
Quincy
Quincy is a coastal city in eastern Massachusetts known as the "City of Presidents" for being the birthplace of U.S. presidents John Adams and John Quincy Adams.
-
B.
Brookline
Brookline is an affluent, historic suburban town directly bordering Boston, known for its tree-lined streets, excellent public schools, and vibrant residential neighborhoods.
-
C.
West Concord
West Concord is a village and commuter rail stop in Concord, Massachusetts, serving as a suburban residential and transit hub west of Boston.
-
D.
Chestnut Hill, Newton
Chestnut Hill, Newton is an affluent residential village in the city of Newton, Massachusetts, known for its historic homes, tree-lined streets, and proximity to Boston College and the Chestnut Hill Reservoir.
-
E.
Springfield, Massachusetts
Springfield, Massachusetts is a historic city in western Massachusetts known as the birthplace of basketball and a former industrial and transportation hub along the Connecticut River.
- 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_69a247a8f6c08190bac804906d62ed5a |
completed | Feb. 28, 2026, 1:40 a.m. |
| NER | Named-entity recognition | batch_69a24ec1ef5481909daf99654dfa3f57 |
completed | Feb. 28, 2026, 2:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a36ce8e3f0819084ecf7471389ecbc |
completed | Feb. 28, 2026, 10:32 p.m. |
| NEDg | Description generation | batch_69a36d9181d081909186f41c628cf8a7 |
completed | Feb. 28, 2026, 10:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a372d67da081908f05d7d370929073 |
completed | Feb. 28, 2026, 10:57 p.m. |
Created at: Feb. 28, 2026, 1:46 a.m.