Triple
T664088
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART |
E12820
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
MacArthur station
MacArthur station is a major Bay Area Rapid Transit (BART) hub in Oakland, California, serving as a key transfer point between multiple lines in the system.
|
E134411
|
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: MacArthur station | Statement: [BART, hasStation, MacArthur station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MacArthur station Context triple: [BART, hasStation, MacArthur station]
-
A.
Kennedy station
Kennedy station is a major Toronto Transit Commission hub in Scarborough that serves as the eastern terminus for Line 2 Bloor–Danforth and an interchange with other subway and light rail services.
-
B.
Roosevelt station
Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
-
C.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
D.
Convention Center station
Convention Center station is a light rail stop in downtown Baltimore, Maryland, serving the Baltimore Light RailLink system near the Baltimore Convention Center.
-
E.
Convention Center Station
Convention Center Station is a public transit stop serving the area around the Kay Bailey Hutchison Convention Center in Dallas, Texas.
- 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: MacArthur station Triple: [BART, hasStation, MacArthur station]
Generated description
MacArthur station is a major Bay Area Rapid Transit (BART) hub in Oakland, California, serving as a key transfer point between multiple lines in the system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MacArthur station Target entity description: MacArthur station is a major Bay Area Rapid Transit (BART) hub in Oakland, California, serving as a key transfer point between multiple lines in the system.
-
A.
Kennedy station
Kennedy station is a major Toronto Transit Commission hub in Scarborough that serves as the eastern terminus for Line 2 Bloor–Danforth and an interchange with other subway and light rail services.
-
B.
Roosevelt station
Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
-
C.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
D.
Convention Center station
Convention Center station is a light rail stop in downtown Baltimore, Maryland, serving the Baltimore Light RailLink system near the Baltimore Convention Center.
-
E.
Convention Center Station
Convention Center Station is a public transit stop serving the area around the Kay Bailey Hutchison Convention Center in Dallas, Texas.
- 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_69a493355dec819098d4244b2fa34885 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49fd1f0ec819087003d30bbab2fa6 |
completed | March 1, 2026, 8:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac6ef9b97881908eab2a5472b02183 |
completed | March 7, 2026, 6:31 p.m. |
| NEDg | Description generation | batch_69ac6f83cea0819094a9ca27804ab9e0 |
completed | March 7, 2026, 6:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac6feadf7c8190918fc0c606df10d5 |
completed | March 7, 2026, 6:35 p.m. |
Created at: March 1, 2026, 7:36 p.m.