Triple
T1424822
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail network |
E30305
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
Kingston Line
The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
|
E167927
|
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: Kingston Line | Statement: [MBTA Commuter Rail network, hasLine, Kingston Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kingston Line Context triple: [MBTA Commuter Rail network, hasLine, Kingston Line]
-
A.
Myrtle Avenue Line
The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
-
B.
Watercress Line
The Watercress Line is a preserved heritage railway in Hampshire, England, known for its steam-hauled trains running through the countryside between Alton and Alresford.
-
C.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
D.
Warminster Line
The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
-
E.
Hope Valley Line
The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
- 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: Kingston Line Triple: [MBTA Commuter Rail network, hasLine, Kingston Line]
Generated description
The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kingston Line Target entity description: The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
-
A.
Myrtle Avenue Line
The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
-
B.
Watercress Line
The Watercress Line is a preserved heritage railway in Hampshire, England, known for its steam-hauled trains running through the countryside between Alton and Alresford.
-
C.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
D.
Warminster Line
The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
-
E.
Hope Valley Line
The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
- 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_69a498fb823c8190a67ce4c4837e641a |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c4bd59148190b96f9f585e07aa0d |
completed | March 1, 2026, 10:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad0e6a09bc8190a9c67ec42c187340 |
completed | March 8, 2026, 5:51 a.m. |
| NEDg | Description generation | batch_69ad10525c6081909a11e2913e6f9c7a |
completed | March 8, 2026, 5:59 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad10cfb6988190ae8c55eda93a00fc |
completed | March 8, 2026, 6:01 a.m. |
Created at: March 1, 2026, 8 p.m.