Triple
T269495
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Green Line D branch |
E5598
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Newton Centre station
Newton Centre station is a light rail stop in Newton, Massachusetts, serving the MBTA Green Line’s D branch on the Boston-area transit system.
|
E37183
|
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: Newton Centre station | Statement: [MBTA Green Line D branch, hasStation, Newton Centre station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Newton Centre station Context triple: [MBTA Green Line D branch, hasStation, Newton Centre station]
-
A.
Cambridge railway station
Cambridge railway station is the main rail hub serving the city of Cambridge, providing regional and long-distance passenger services connecting it to London and other major destinations.
-
B.
West End station
West End station is a key Dallas Area Rapid Transit (DART) light rail stop serving the historic West End district in downtown Dallas, Texas.
-
C.
Beaconsfield station
Beaconsfield station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line D branch serving the Brookline area near Boston.
-
D.
Lansdowne station
Lansdowne station is a commuter rail stop on the MBTA Framingham/Worcester Line in Boston, Massachusetts, serving the Fenway–Kenmore area and providing convenient access to Fenway Park.
-
E.
Cambridge North railway station
Cambridge North railway station is a modern rail hub serving the northern part of Cambridge, England, providing regional and commuter connections including services toward London and Ely.
- 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: Newton Centre station Triple: [MBTA Green Line D branch, hasStation, Newton Centre station]
Generated description
Newton Centre station is a light rail stop in Newton, Massachusetts, serving the MBTA Green Line’s D branch on the Boston-area transit system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Newton Centre station Target entity description: Newton Centre station is a light rail stop in Newton, Massachusetts, serving the MBTA Green Line’s D branch on the Boston-area transit system.
-
A.
Cambridge railway station
Cambridge railway station is the main rail hub serving the city of Cambridge, providing regional and long-distance passenger services connecting it to London and other major destinations.
-
B.
West End station
West End station is a key Dallas Area Rapid Transit (DART) light rail stop serving the historic West End district in downtown Dallas, Texas.
-
C.
Beaconsfield station
Beaconsfield station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line D branch serving the Brookline area near Boston.
-
D.
Lansdowne station
Lansdowne station is a commuter rail stop on the MBTA Framingham/Worcester Line in Boston, Massachusetts, serving the Fenway–Kenmore area and providing convenient access to Fenway Park.
-
E.
Cambridge North railway station
Cambridge North railway station is a modern rail hub serving the northern part of Cambridge, England, providing regional and commuter connections including services toward London and Ely.
- 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_69a39d0313b48190a3e8e1667a051610 |
completed | March 1, 2026, 1:57 a.m. |
| NEDg | Description generation | batch_69a39d732c64819086a6e11df23e60ce |
completed | March 1, 2026, 1:59 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a39de4511c8190bf668bc74ba57231 |
completed | March 1, 2026, 2:01 a.m. |
Created at: Feb. 28, 2026, 2:57 a.m.