Triple
T886259
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ashmont branch |
E19136
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Fields Corner station
Fields Corner station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood.
|
E105121
|
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: Fields Corner station | Statement: [Ashmont branch, hasStation, Fields Corner station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fields Corner station Context triple: [Ashmont branch, hasStation, Fields Corner station]
-
A.
St. Clair station
St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
-
B.
Davisville station
Davisville station is a Toronto Transit Commission subway station on Line 1 that also serves as the site of the Davisville Yard and TTC headquarters.
-
C.
Jefferson Station
Jefferson Station is a major regional rail hub in Center City Philadelphia that connects numerous SEPTA commuter lines and provides convenient access to nearby attractions and commercial areas.
-
D.
Tasker–Morris station
Tasker–Morris station is an underground rapid transit stop in South Philadelphia serving local trains on SEPTA’s Broad Street subway line.
-
E.
Snyder station
Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
- 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: Fields Corner station Triple: [Ashmont branch, hasStation, Fields Corner station]
Generated description
Fields Corner station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fields Corner station Target entity description: Fields Corner station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood.
-
A.
St. Clair station
St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
-
B.
Davisville station
Davisville station is a Toronto Transit Commission subway station on Line 1 that also serves as the site of the Davisville Yard and TTC headquarters.
-
C.
Jefferson Station
Jefferson Station is a major regional rail hub in Center City Philadelphia that connects numerous SEPTA commuter lines and provides convenient access to nearby attractions and commercial areas.
-
D.
Tasker–Morris station
Tasker–Morris station is an underground rapid transit stop in South Philadelphia serving local trains on SEPTA’s Broad Street subway line.
-
E.
Snyder station
Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
- 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_69a4939c32488190a7ccd41cf0abb22b |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4ace714ec81909b0b1deaeac66be5 |
completed | March 1, 2026, 9:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7c01f00f48190b954db4a0cb5baa8 |
completed | March 4, 2026, 5:16 a.m. |
| NEDg | Description generation | batch_69a7c089066c81908228e4a6ab988287 |
completed | March 4, 2026, 5:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a7c0d166ac819089b683e7cee92043 |
completed | March 4, 2026, 5:19 a.m. |
Created at: March 1, 2026, 7:39 p.m.