Triple
T10192947
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Queen Lane station |
E238082
|
entity |
| Predicate | locatedOnCorridor |
P5520
|
FINISHED |
| Object |
former Pennsylvania Railroad Chestnut Hill Branch
The former Pennsylvania Railroad Chestnut Hill Branch was a suburban rail line in Philadelphia that provided commuter service between central city terminals and the Chestnut Hill neighborhood.
|
E847290
|
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: former Pennsylvania Railroad Chestnut Hill Branch | Statement: [Queen Lane station, locatedOnCorridor, former Pennsylvania Railroad Chestnut Hill Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: former Pennsylvania Railroad Chestnut Hill Branch Context triple: [Queen Lane station, locatedOnCorridor, former Pennsylvania Railroad Chestnut Hill Branch]
-
A.
Philadelphia, Germantown and Norristown Railroad
The Philadelphia, Germantown and Norristown Railroad was one of the earliest railroads in the United States, serving the Philadelphia area and later becoming part of the Pennsylvania Railroad system.
-
B.
Pennsylvania Railroad Schuylkill Branch
The Pennsylvania Railroad Schuylkill Branch was a former rail line running along the Schuylkill River in the Philadelphia region, historically used for both passenger and freight service and later partly incorporated into modern commuter rail operations.
-
C.
former Pennsylvania Railroad West Chester Branch (eastern portion)
The former Pennsylvania Railroad West Chester Branch (eastern portion) is a historic rail corridor in southeastern Pennsylvania that now serves as the route for SEPTA’s Media/Elwyn commuter rail line.
-
D.
Philadelphia to Harrisburg Main Line
The Philadelphia to Harrisburg Main Line is an electrified passenger rail corridor in Pennsylvania connecting Philadelphia with the state capital of Harrisburg and forming a key segment of Amtrak and regional rail service.
-
E.
Lansdale/Doylestown Line
The Lansdale/Doylestown Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in Montgomery and Bucks counties.
- 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: former Pennsylvania Railroad Chestnut Hill Branch Triple: [Queen Lane station, locatedOnCorridor, former Pennsylvania Railroad Chestnut Hill Branch]
Generated description
The former Pennsylvania Railroad Chestnut Hill Branch was a suburban rail line in Philadelphia that provided commuter service between central city terminals and the Chestnut Hill neighborhood.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: former Pennsylvania Railroad Chestnut Hill Branch Target entity description: The former Pennsylvania Railroad Chestnut Hill Branch was a suburban rail line in Philadelphia that provided commuter service between central city terminals and the Chestnut Hill neighborhood.
-
A.
Philadelphia, Germantown and Norristown Railroad
The Philadelphia, Germantown and Norristown Railroad was one of the earliest railroads in the United States, serving the Philadelphia area and later becoming part of the Pennsylvania Railroad system.
-
B.
Pennsylvania Railroad Schuylkill Branch
The Pennsylvania Railroad Schuylkill Branch was a former rail line running along the Schuylkill River in the Philadelphia region, historically used for both passenger and freight service and later partly incorporated into modern commuter rail operations.
-
C.
former Pennsylvania Railroad West Chester Branch (eastern portion)
The former Pennsylvania Railroad West Chester Branch (eastern portion) is a historic rail corridor in southeastern Pennsylvania that now serves as the route for SEPTA’s Media/Elwyn commuter rail line.
-
D.
Philadelphia to Harrisburg Main Line
The Philadelphia to Harrisburg Main Line is an electrified passenger rail corridor in Pennsylvania connecting Philadelphia with the state capital of Harrisburg and forming a key segment of Amtrak and regional rail service.
-
E.
Lansdale/Doylestown Line
The Lansdale/Doylestown Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in Montgomery and Bucks counties.
- 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_69ca84de1b208190bf17bb305b002605 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdedc675008190b8248325f5a208bf |
completed | April 2, 2026, 4:17 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d317ca2cf481909cf715ef9248be3c |
completed | April 6, 2026, 2:17 a.m. |
| NEDg | Description generation | batch_69d3188886908190ba0a5539ce942980 |
completed | April 6, 2026, 2:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d31c4fb8288190bbc6b3d4a79dafb1 |
completed | April 6, 2026, 2:37 a.m. |
Created at: March 30, 2026, 9:13 p.m.