Triple
T5429745
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PA-1 railcars |
E121453
|
entity |
| Predicate | locatedInNetwork |
P40
|
FINISHED |
| Object |
Philadelphia–Camden corridor
The Philadelphia–Camden corridor is a major bi-state urban and transportation axis linking Philadelphia, Pennsylvania, with Camden, New Jersey, and surrounding communities.
|
E519554
|
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: Philadelphia–Camden corridor | Statement: [PA-1 railcars, locatedInNetwork, Philadelphia–Camden corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Philadelphia–Camden corridor Context triple: [PA-1 railcars, locatedInNetwork, Philadelphia–Camden corridor]
-
A.
Baltimore–Harrisburg corridor
The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
-
B.
Camden Line
The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
-
C.
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.
-
D.
Camden–Philadelphia rapid transit line
The Camden–Philadelphia rapid transit line was an early 20th-century interurban rail service that connected Camden, New Jersey, with Philadelphia, Pennsylvania, and laid the groundwork for the modern PATCO Speedline.
-
E.
North Jersey Coast Line
The North Jersey Coast Line is a commuter rail line in New Jersey that runs between New York City/Newark and the Jersey Shore, serving numerous coastal communities.
- 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: Philadelphia–Camden corridor Triple: [PA-1 railcars, locatedInNetwork, Philadelphia–Camden corridor]
Generated description
The Philadelphia–Camden corridor is a major bi-state urban and transportation axis linking Philadelphia, Pennsylvania, with Camden, New Jersey, and surrounding communities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Philadelphia–Camden corridor Target entity description: The Philadelphia–Camden corridor is a major bi-state urban and transportation axis linking Philadelphia, Pennsylvania, with Camden, New Jersey, and surrounding communities.
-
A.
Baltimore–Harrisburg corridor
The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
-
B.
Camden Line
The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
-
C.
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.
-
D.
Camden–Philadelphia rapid transit line
The Camden–Philadelphia rapid transit line was an early 20th-century interurban rail service that connected Camden, New Jersey, with Philadelphia, Pennsylvania, and laid the groundwork for the modern PATCO Speedline.
-
E.
North Jersey Coast Line
The North Jersey Coast Line is a commuter rail line in New Jersey that runs between New York City/Newark and the Jersey Shore, serving numerous coastal communities.
- 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_69bd463c65f0819082ee6483ab4b466a |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd883d1bfc8190859bb05cfab065c8 |
completed | March 20, 2026, 5:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf3ac6285081909afa6e91a023f6d5 |
completed | March 22, 2026, 12:41 a.m. |
| NEDg | Description generation | batch_69bf3c43ffe88190b8d2a10ea8a9a455 |
completed | March 22, 2026, 12:48 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf3ce7d6388190a9cd22f76f4420e0 |
completed | March 22, 2026, 12:50 a.m. |
Created at: March 20, 2026, 2:06 p.m.