Triple
T11133571
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Old Colony Lines |
E263349
|
entity |
| Predicate | historicRouteBasis |
P75432
|
FINISHED |
| Object |
Plymouth Branch
Plymouth Branch is a historic railroad line in Massachusetts that once connected Boston to the coastal town of Plymouth and now serves as the basis for part of the MBTA Commuter Rail’s Old Colony Lines.
|
E907885
|
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: Plymouth Branch | Statement: [MBTA Commuter Rail Old Colony Lines, historicRouteBasis, Plymouth Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Plymouth Branch Context triple: [MBTA Commuter Rail Old Colony Lines, historicRouteBasis, Plymouth Branch]
-
A.
Malvern Branch
Malvern Branch is a local public library facility serving the community of Malvern with access to books, media, and library services.
-
B.
Salem Branch
Salem Branch is a regional railroad line in southern New Jersey that serves freight and limited local rail operations.
-
C.
Warminster Branch
The Warminster Branch is a commuter rail line in southeastern Pennsylvania that runs from Philadelphia to Warminster, serving suburban communities along its route.
-
D.
Rockland Branch
Rockland Branch is a historic railroad line in Maine that runs along the state's mid-coast, connecting inland communities with the port city of Rockland.
-
E.
Stoughton Branch
Stoughton Branch is a commuter rail branch line in Massachusetts that serves the town of Stoughton as part of the MBTA’s Providence/Stoughton Line.
- 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: Plymouth Branch Triple: [MBTA Commuter Rail Old Colony Lines, historicRouteBasis, Plymouth Branch]
Generated description
Plymouth Branch is a historic railroad line in Massachusetts that once connected Boston to the coastal town of Plymouth and now serves as the basis for part of the MBTA Commuter Rail’s Old Colony Lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Plymouth Branch Target entity description: Plymouth Branch is a historic railroad line in Massachusetts that once connected Boston to the coastal town of Plymouth and now serves as the basis for part of the MBTA Commuter Rail’s Old Colony Lines.
-
A.
Malvern Branch
Malvern Branch is a local public library facility serving the community of Malvern with access to books, media, and library services.
-
B.
Salem Branch
Salem Branch is a regional railroad line in southern New Jersey that serves freight and limited local rail operations.
-
C.
Warminster Branch
The Warminster Branch is a commuter rail line in southeastern Pennsylvania that runs from Philadelphia to Warminster, serving suburban communities along its route.
-
D.
Rockland Branch
Rockland Branch is a historic railroad line in Maine that runs along the state's mid-coast, connecting inland communities with the port city of Rockland.
-
E.
Stoughton Branch
Stoughton Branch is a commuter rail branch line in Massachusetts that serves the town of Stoughton as part of the MBTA’s Providence/Stoughton Line.
- 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_69d6aa9c0ba08190bbd19c217489b755 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8347a248190837e8c26f25f553a |
completed | April 9, 2026, 5:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e441f00d7c8190a8fe8e0c1169e6b0 |
completed | April 19, 2026, 2:46 a.m. |
| NEDg | Description generation | batch_69e44c09163481909d6a469b1e50b6ff |
completed | April 19, 2026, 3:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e4519f4d408190be9863c72006ecad |
completed | April 19, 2026, 3:53 a.m. |
Created at: April 8, 2026, 9:28 p.m.