Triple
T269478
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Green Line D branch |
E5598
|
entity |
| Predicate | servesCity |
P82
|
FINISHED |
| Object |
Riverside, Newton, Massachusetts
Riverside is a village in the city of Newton, Massachusetts, known primarily as the western terminus and park-and-ride hub of the MBTA Green Line D branch.
|
E75431
|
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: Riverside, Newton, Massachusetts | Statement: [MBTA Green Line D branch, servesCity, Riverside, Newton, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Riverside, Newton, Massachusetts Context triple: [MBTA Green Line D branch, servesCity, Riverside, Newton, Massachusetts]
-
A.
City of Newton, Massachusetts
The City of Newton, Massachusetts is a suburban municipality just west of Boston, known for its village-style neighborhoods, strong public schools, and affluent residential character.
-
B.
Waltham, Massachusetts
Waltham, Massachusetts is a historic city just west of Boston known for its role in the American Industrial Revolution and as home to institutions like Brandeis University and Bentley University.
-
C.
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.
-
D.
Arlington, Massachusetts
Arlington, Massachusetts is a suburban town just northwest of Boston known for its historic sites, residential neighborhoods, and proximity to other inner-ring suburbs like Belmont and Cambridge.
-
E.
Oak Hill, Newton
Oak Hill is a residential neighborhood in the southern part of Newton, Massachusetts, known for its suburban character and proximity to local schools and parks.
- 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: Riverside, Newton, Massachusetts Triple: [MBTA Green Line D branch, servesCity, Riverside, Newton, Massachusetts]
Generated description
Riverside is a village in the city of Newton, Massachusetts, known primarily as the western terminus and park-and-ride hub of the MBTA Green Line D branch.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Riverside, Newton, Massachusetts Target entity description: Riverside is a village in the city of Newton, Massachusetts, known primarily as the western terminus and park-and-ride hub of the MBTA Green Line D branch.
-
A.
City of Newton, Massachusetts
The City of Newton, Massachusetts is a suburban municipality just west of Boston, known for its village-style neighborhoods, strong public schools, and affluent residential character.
-
B.
Waltham, Massachusetts
Waltham, Massachusetts is a historic city just west of Boston known for its role in the American Industrial Revolution and as home to institutions like Brandeis University and Bentley University.
-
C.
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.
-
D.
Arlington, Massachusetts
Arlington, Massachusetts is a suburban town just northwest of Boston known for its historic sites, residential neighborhoods, and proximity to other inner-ring suburbs like Belmont and Cambridge.
-
E.
Oak Hill, Newton
Oak Hill is a residential neighborhood in the southern part of Newton, Massachusetts, known for its suburban character and proximity to local schools and parks.
- 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_69a25853594c8190b05ec3a586ec88bf |
completed | Feb. 28, 2026, 2:52 a.m. |
| NER | Named-entity recognition | batch_69a25db00ed48190be6f598807265356 |
completed | Feb. 28, 2026, 3:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a52383450081908b945646a3e231c2 |
completed | March 2, 2026, 5:43 a.m. |
| NEDg | Description generation | batch_69a523da79848190b55c227e168a71dc |
completed | March 2, 2026, 5:44 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a524391b688190b8c18274db7e3450 |
completed | March 2, 2026, 5:46 a.m. |
Created at: Feb. 28, 2026, 2:57 a.m.