Triple
T3506592
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Reading Railroad lines north of Philadelphia |
E74090
|
entity |
| Predicate | includedLine |
P1393
|
FINISHED |
| Object |
Reading main line north from Philadelphia
The Reading main line north from Philadelphia was a principal railroad route of the Reading Company that connected Philadelphia with key industrial and coal regions to the north.
|
E363665
|
NE FINISHED |
How this triple was built (5 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: Reading main line north from Philadelphia | Statement: [Reading Railroad lines north of Philadelphia, includedLine, Reading main line north from Philadelphia]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Reading main line north from Philadelphia Context triple: [Reading Railroad lines north of Philadelphia, includedLine, Reading main line north from Philadelphia]
-
A.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
-
B.
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.
-
C.
Main Line, Philadelphia
Main Line, Philadelphia is an affluent suburban region northwest of downtown Philadelphia, known for its historic commuter rail communities, prestigious colleges, and upscale residential neighborhoods.
-
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.
Amtrak Philadelphia to Wilmington line
The Amtrak Philadelphia to Wilmington line is a key segment of the Northeast Corridor, carrying frequent intercity and commuter rail services between Philadelphia, Pennsylvania and Wilmington, Delaware.
- 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: Reading main line north from Philadelphia Triple: [Reading Railroad lines north of Philadelphia, includedLine, Reading main line north from Philadelphia]
Generated description
The Reading main line north from Philadelphia was a principal railroad route of the Reading Company that connected Philadelphia with key industrial and coal regions to the north.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Reading main line north from Philadelphia Target entity description: The Reading main line north from Philadelphia was a principal railroad route of the Reading Company that connected Philadelphia with key industrial and coal regions to the north.
-
A.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
-
B.
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.
-
C.
Main Line, Philadelphia
Main Line, Philadelphia is an affluent suburban region northwest of downtown Philadelphia, known for its historic commuter rail communities, prestigious colleges, and upscale residential neighborhoods.
-
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.
Amtrak Philadelphia to Wilmington line
The Amtrak Philadelphia to Wilmington line is a key segment of the Northeast Corridor, carrying frequent intercity and commuter rail services between Philadelphia, Pennsylvania and Wilmington, Delaware.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: includedLine Context triple: [Reading Railroad lines north of Philadelphia, includedLine, Reading main line north from Philadelphia]
-
A.
inscriptionIncludesLine
Indicates that an inscription contains a specific line of text as one of its components.
-
B.
includes
chosen
Indicates that one entity contains, encompasses, or has another entity as a part, member, or subset.
-
C.
includedWith
Indicates that one entity is provided or packaged together as part of another entity.
-
D.
associatedLine
Indicates that one entity is linked or connected to a particular line (such as a line item, line of text, or line in a structure) with which it is contextually or functionally related.
-
E.
isLinedWith
Indicates that one object or surface is covered, edged, or internally coated along its length or area with another material or layer.
- F. None of above.
Provenance (6 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_69ad85ce7a9c81909ddc5cf0cb67a6e3 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbbf52bd8819085a2ac5f48cc5c68 |
completed | March 8, 2026, 6:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b373e0dc7881909af631182970d132 |
completed | March 13, 2026, 2:18 a.m. |
| NEDg | Description generation | batch_69b375337e6c8190a3d2a1561c133ecb |
completed | March 13, 2026, 2:23 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b375bb3f8c819097b295a2881b3b82 |
completed | March 13, 2026, 2:26 a.m. |
| PD | Predicate disambiguation | batch_69adae0e770481908528fa35eda53003 |
completed | March 8, 2026, 5:12 p.m. |
Created at: March 8, 2026, 3:18 p.m.