Triple
T820972
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Newburyport/Rockport Line |
E17744
|
entity |
| Predicate | usesInfrastructure |
P6820
|
FINISHED |
| Object |
Rockport Branch
Rockport Branch is a rail line segment in Massachusetts that forms the Rockport portion of the MBTA Commuter Rail’s Newburyport/Rockport Line, serving communities on Cape Ann.
|
E98146
|
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: Rockport Branch | Statement: [MBTA Commuter Rail Newburyport/Rockport Line, usesInfrastructure, Rockport Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rockport Branch Context triple: [MBTA Commuter Rail Newburyport/Rockport Line, usesInfrastructure, Rockport Branch]
-
A.
Aurora Branch
Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
-
B.
Ronkonkoma Branch
The Ronkonkoma Branch is a major Long Island Rail Road commuter rail line running between New York City and central Long Island, serving as one of the system’s busiest and most important corridors.
-
C.
Riverway
Riverway is a linear park and waterway in Boston that forms part of the Emerald Necklace, offering scenic green space and recreational paths near the Longwood Medical Area.
-
D.
Provost Branch
The Provost Branch is a specialist component of the British Army responsible for military policing, discipline, and related support functions.
-
E.
Geneva Spur
Geneva Spur is a branch of the Illinois Prairie Path, a multi-use recreational trail in the Chicago metropolitan area.
- 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: Rockport Branch Triple: [MBTA Commuter Rail Newburyport/Rockport Line, usesInfrastructure, Rockport Branch]
Generated description
Rockport Branch is a rail line segment in Massachusetts that forms the Rockport portion of the MBTA Commuter Rail’s Newburyport/Rockport Line, serving communities on Cape Ann.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rockport Branch Target entity description: Rockport Branch is a rail line segment in Massachusetts that forms the Rockport portion of the MBTA Commuter Rail’s Newburyport/Rockport Line, serving communities on Cape Ann.
-
A.
Aurora Branch
Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
-
B.
Ronkonkoma Branch
The Ronkonkoma Branch is a major Long Island Rail Road commuter rail line running between New York City and central Long Island, serving as one of the system’s busiest and most important corridors.
-
C.
Riverway
Riverway is a linear park and waterway in Boston that forms part of the Emerald Necklace, offering scenic green space and recreational paths near the Longwood Medical Area.
-
D.
Provost Branch
The Provost Branch is a specialist component of the British Army responsible for military policing, discipline, and related support functions.
-
E.
Geneva Spur
Geneva Spur is a branch of the Illinois Prairie Path, a multi-use recreational trail in the Chicago metropolitan area.
- 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_69a4937bcaac8190a322524ac6f45a5a |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4ab7aea38819092a0860ec6e2a033 |
completed | March 1, 2026, 9:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a76d91c2948190bc13a223548facba |
completed | March 3, 2026, 11:24 p.m. |
| NEDg | Description generation | batch_69a77e828bb08190a67768d08557f305 |
completed | March 4, 2026, 12:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a77efbc2ac819083a900d2ecd8924e |
completed | March 4, 2026, 12:38 a.m. |
Created at: March 1, 2026, 7:38 p.m.