Triple
T1299340
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Penn Line |
E27724
|
entity |
| Predicate | hasStationAtAirport |
P26761
|
FINISHED |
| Object | BWI Airport Rail Station |
E22285
|
NE FINISHED |
How this triple was built (3 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: BWI Airport Rail Station | Statement: [Penn Line, hasStationAtAirport, BWI Airport Rail Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BWI Airport Rail Station Context triple: [Penn Line, hasStationAtAirport, BWI Airport Rail Station]
-
A.
BWI Airport station
chosen
BWI Airport station is a transit station serving Baltimore/Washington International Thurgood Marshall Airport, providing rail connections between the airport and the Baltimore metropolitan area.
-
B.
Hunt Valley station
Hunt Valley station is a light rail transit station in Hunt Valley, Maryland, serving as the northern endpoint of the Baltimore Light RailLink system.
-
C.
Odenton station
Odenton station is a Maryland commuter rail station serving MARC trains between Baltimore and Washington, D.C.
-
D.
College Park–University of Maryland station
College Park–University of Maryland station is a Washington Metro rail station in College Park, Maryland, serving the University of Maryland campus and surrounding community.
-
E.
Pennsylvania Station (Baltimore)
Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasStationAtAirport Context triple: [Penn Line, hasStationAtAirport, BWI Airport Rail Station]
-
A.
airportStation
Indicates a location functions as an airport facility where air transport operations occur.
-
B.
belongsToAirport
Indicates that one entity is part of, associated with, or under the jurisdiction of a specific airport.
-
C.
airportServesAs
Indicates that an airport functions in a particular role or capacity (such as primary, secondary, or hub) for a specified area, organization, or service.
-
D.
airportServed
Indicates that a particular airport provides service to, or is used for air travel to and from, a given location or area.
-
E.
isPublicAirport
Indicates that an airport is open for use by the general public rather than restricted to private or military operations.
- 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_69a496d6682881909ba658f1c1e0e2b0 |
completed | March 1, 2026, 7:43 p.m. |
| NER | Named-entity recognition | batch_69a4c111a76c81909e6b914694986251 |
completed | March 1, 2026, 10:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad08a5b5fc81909b75f07b620447cd |
completed | March 8, 2026, 5:27 a.m. |
| PD | Predicate disambiguation | batch_69a4bee8544c8190874efd9bae9bccf9 |
completed | March 1, 2026, 10:34 p.m. |
| PDg | Predicate description generation | batch_69a4bf60545c8190901ccfb2cb7c4b41 |
completed | March 1, 2026, 10:36 p.m. |
Created at: March 1, 2026, 7:51 p.m.