Triple
T820970
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Newburyport/Rockport Line |
E17744
|
entity |
| Predicate | usesInfrastructure |
P6820
|
FINISHED |
| Object |
Eastern Route
Eastern Route is a historic Boston-area railroad corridor that serves as the primary right-of-way for MBTA Commuter Rail service to Newburyport and Rockport.
|
E98144
|
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: Eastern Route | Statement: [MBTA Commuter Rail Newburyport/Rockport Line, usesInfrastructure, Eastern Route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eastern Route Context triple: [MBTA Commuter Rail Newburyport/Rockport Line, usesInfrastructure, Eastern Route]
-
A.
West-Northwest Route
West-Northwest Route was the former name of a Chicago Transit Authority rapid transit line that is now part of the Blue Line.
-
B.
Panhandle Route
The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
-
C.
Northeast Trail
The Northeast Trail is a multi-use path within Atlanta’s BeltLine network that connects neighborhoods on the city’s northeast side with pedestrian and bicycle infrastructure.
-
D.
North Road
North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
-
E.
Cesen Route
The Cesen Route is a classic alpine climbing line on K2, known for its relatively direct but still highly demanding ascent on the mountain’s southeastern side.
- 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: Eastern Route Triple: [MBTA Commuter Rail Newburyport/Rockport Line, usesInfrastructure, Eastern Route]
Generated description
Eastern Route is a historic Boston-area railroad corridor that serves as the primary right-of-way for MBTA Commuter Rail service to Newburyport and Rockport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Eastern Route Target entity description: Eastern Route is a historic Boston-area railroad corridor that serves as the primary right-of-way for MBTA Commuter Rail service to Newburyport and Rockport.
-
A.
West-Northwest Route
West-Northwest Route was the former name of a Chicago Transit Authority rapid transit line that is now part of the Blue Line.
-
B.
Panhandle Route
The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
-
C.
Northeast Trail
The Northeast Trail is a multi-use path within Atlanta’s BeltLine network that connects neighborhoods on the city’s northeast side with pedestrian and bicycle infrastructure.
-
D.
North Road
North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
-
E.
Cesen Route
The Cesen Route is a classic alpine climbing line on K2, known for its relatively direct but still highly demanding ascent on the mountain’s southeastern side.
- 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.