Triple
T3863471
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oakland International Airport station |
E91793
|
entity |
| Predicate | code |
P1537
|
FINISHED |
| Object |
OAK Airport station
OAK Airport station is a Bay Area Rapid Transit (BART) station that serves Oakland International Airport in Oakland, California.
|
E395412
|
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: OAK Airport station | Statement: [Oakland International Airport station, code, OAK Airport station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: OAK Airport station Context triple: [Oakland International Airport station, code, OAK Airport station]
-
A.
Mitchell Airport Rail Station
Mitchell Airport Rail Station is a passenger rail station in Milwaukee, Wisconsin, serving General Mitchell International Airport and providing regional rail connections for air travelers.
-
B.
National Airport station
National Airport station is a Washington Metro rapid transit stop serving Ronald Reagan Washington National Airport in Arlington, Virginia.
-
C.
Forest Park station
Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
-
D.
Meadow Woods station
Meadow Woods station is a commuter rail stop in the Orlando, Florida area served by the SunRail regional rail system.
-
E.
Ardmore Station
Ardmore Station is a commuter rail station in Ardmore, Pennsylvania, serving Amtrak and SEPTA trains along the busy Keystone Corridor between Philadelphia and Harrisburg.
- 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: OAK Airport station Triple: [Oakland International Airport station, code, OAK Airport station]
Generated description
OAK Airport station is a Bay Area Rapid Transit (BART) station that serves Oakland International Airport in Oakland, California.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: OAK Airport station Target entity description: OAK Airport station is a Bay Area Rapid Transit (BART) station that serves Oakland International Airport in Oakland, California.
-
A.
Mitchell Airport Rail Station
Mitchell Airport Rail Station is a passenger rail station in Milwaukee, Wisconsin, serving General Mitchell International Airport and providing regional rail connections for air travelers.
-
B.
National Airport station
National Airport station is a Washington Metro rapid transit stop serving Ronald Reagan Washington National Airport in Arlington, Virginia.
-
C.
Forest Park station
Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
-
D.
Meadow Woods station
Meadow Woods station is a commuter rail stop in the Orlando, Florida area served by the SunRail regional rail system.
-
E.
Ardmore Station
Ardmore Station is a commuter rail station in Ardmore, Pennsylvania, serving Amtrak and SEPTA trains along the busy Keystone Corridor between Philadelphia and Harrisburg.
- 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_69aed9645f348190a9868e7cef56ab7e |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aeec2417648190ad010189d304d119 |
completed | March 9, 2026, 3:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5123ad9188190a158721a6192cdae |
completed | March 14, 2026, 7:46 a.m. |
| NEDg | Description generation | batch_69b51336c5f8819096b0b6cee47e48e3 |
completed | March 14, 2026, 7:50 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b513b11dcc8190a2c2e3f27b4cf25e |
completed | March 14, 2026, 7:52 a.m. |
Created at: March 9, 2026, 3:19 p.m.