Triple
T4670226
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Elwyn station |
E102942
|
entity |
| Predicate | hasParkingLotOwner |
P58757
|
FINISHED |
| Object | SEPTA |
E59500
|
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: SEPTA | Statement: [Elwyn station, hasParkingLotOwner, SEPTA]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SEPTA Context triple: [Elwyn station, hasParkingLotOwner, SEPTA]
-
A.
SEPTA
chosen
SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
-
B.
SEPTA City Transit Division
The SEPTA City Transit Division is the branch of Philadelphia’s regional transit authority that operates the city’s buses, trolleys, and subway–elevated lines.
-
C.
SEPTA Suburban Transit Division
The SEPTA Suburban Transit Division is the part of Philadelphia’s regional transit system that operates bus, trolley, and other public transportation services in the suburban areas surrounding the city.
-
D.
SEPTA Regional Rail
SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
-
E.
SEPTA Board
The SEPTA Board is the policy-making and oversight body that directs and supervises the operations, budget, and strategic decisions of the Southeastern Pennsylvania Transportation Authority.
- 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: hasParkingLotOwner Context triple: [Elwyn station, hasParkingLotOwner, SEPTA]
-
A.
hasParkOwner
Indicates that an entity serves as the owner or legal controller of a particular park.
-
B.
hasParking
Indicates that a place or facility provides designated parking space(s) available for use.
-
C.
hasParkOperator
Indicates that a park is operated or managed by a specific organization or individual.
-
D.
hasStationCarParkOperator
Indicates that a particular station’s car park is operated or managed by a specified operator.
-
E.
hasParkStatus
Indicates that an entity holds a particular designation or status related to being a park (e.g., national park, city park, protected parkland).
- 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_69bd43d9cba4819086c1ab1c2d9d2133 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd655aceb081908100ffc0498fe183 |
completed | March 20, 2026, 3:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be03652dc081908abc3e036f853edf |
completed | March 21, 2026, 2:33 a.m. |
| PD | Predicate disambiguation | batch_69bd6215864c8190b50ba0f63ba87d0c |
completed | March 20, 2026, 3:04 p.m. |
| PDg | Predicate description generation | batch_69bd655719dc8190beb6942f343a0ae7 |
completed | March 20, 2026, 3:18 p.m. |
Created at: March 20, 2026, 1:15 p.m.