Triple
T4219450
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Airport Terminal C–D station |
E94303
|
entity |
| Predicate | partOfLine |
P6309
|
FINISHED |
| Object |
Airport Line (SEPTA)
Airport Line (SEPTA) is a commuter rail service in the Philadelphia area that connects Center City with Philadelphia International Airport.
|
E2901
|
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: Airport Line (SEPTA) | Statement: [Airport Terminal C–D station, partOfLine, Airport Line (SEPTA)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Airport Line (SEPTA) Context triple: [Airport Terminal C–D station, partOfLine, Airport Line (SEPTA)]
-
A.
SEPTA Broad Street Line
The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
-
B.
SEPTA
SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
-
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 Fox Chase Line
The SEPTA Fox Chase Line is a commuter rail service in the Philadelphia area that connects Center City with the Fox Chase neighborhood in Northeast 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: Airport Line (SEPTA) Triple: [Airport Terminal C–D station, partOfLine, Airport Line (SEPTA)]
Generated description
Airport Line (SEPTA) is a commuter rail service in the Philadelphia area that connects Center City with Philadelphia International Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Airport Line (SEPTA) Target entity description: Airport Line (SEPTA) is a commuter rail service in the Philadelphia area that connects Center City with Philadelphia International Airport.
-
A.
SEPTA Broad Street Line
The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
-
B.
SEPTA
SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
-
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
chosen
SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
-
E.
SEPTA Fox Chase Line
The SEPTA Fox Chase Line is a commuter rail service in the Philadelphia area that connects Center City with the Fox Chase neighborhood in Northeast Philadelphia.
- F. None of above.
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_69b3451997e08190851db4a9a588837d |
completed | March 12, 2026, 10:58 p.m. |
| NER | Named-entity recognition | batch_69b34e0b2ee08190930600e1e802b325 |
completed | March 12, 2026, 11:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5963d3bd8819086465701f4c6adf5 |
completed | March 14, 2026, 5:09 p.m. |
| NEDg | Description generation | batch_69b596dbb19c81908080af37ecfe2497 |
completed | March 14, 2026, 5:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5976663d88190a73a729554e91074 |
completed | March 14, 2026, 5:14 p.m. |
Created at: March 12, 2026, 11:04 p.m.