Triple
T1299302
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Penn Line |
E27724
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Perryville station
Perryville station is a MARC commuter rail stop in Perryville, Maryland, serving as the northern endpoint of the Penn Line.
|
E147593
|
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: Perryville station | Statement: [Penn Line, terminus, Perryville station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Perryville station Context triple: [Penn Line, terminus, Perryville station]
-
A.
Ballston–MU station
Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
-
B.
Cumberland station
Cumberland station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side and nearby suburbs with park-and-ride access to O'Hare International Airport and downtown Chicago.
-
C.
Point of Rocks station
Point of Rocks station is a historic railroad station in Maryland that serves MARC’s Brunswick Line and is noted for its distinctive Victorian Gothic architecture at the junction of major rail lines.
-
D.
Jefferson Station
Jefferson Station is a major regional rail hub in Center City Philadelphia that connects numerous SEPTA commuter lines and provides convenient access to nearby attractions and commercial areas.
-
E.
Ridgeland station
Ridgeland station is an elevated Chicago Transit Authority 'L' stop on the Green Line located in the suburb of Oak Park, Illinois.
- 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: Perryville station Triple: [Penn Line, terminus, Perryville station]
Generated description
Perryville station is a MARC commuter rail stop in Perryville, Maryland, serving as the northern endpoint of the Penn Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Perryville station Target entity description: Perryville station is a MARC commuter rail stop in Perryville, Maryland, serving as the northern endpoint of the Penn Line.
-
A.
Ballston–MU station
Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
-
B.
Cumberland station
Cumberland station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side and nearby suburbs with park-and-ride access to O'Hare International Airport and downtown Chicago.
-
C.
Point of Rocks station
Point of Rocks station is a historic railroad station in Maryland that serves MARC’s Brunswick Line and is noted for its distinctive Victorian Gothic architecture at the junction of major rail lines.
-
D.
Jefferson Station
Jefferson Station is a major regional rail hub in Center City Philadelphia that connects numerous SEPTA commuter lines and provides convenient access to nearby attractions and commercial areas.
-
E.
Ridgeland station
Ridgeland station is an elevated Chicago Transit Authority 'L' stop on the Green Line located in the suburb of Oak Park, Illinois.
- 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_69a496d6682881909ba658f1c1e0e2b0 |
completed | March 1, 2026, 7:43 p.m. |
| NER | Named-entity recognition | batch_69a4c111a76c81909e6b914694986251 |
completed | March 1, 2026, 10:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acacc631b88190853948eeb5f24527 |
completed | March 7, 2026, 10:55 p.m. |
| NEDg | Description generation | batch_69acad4b2234819097d94df7812d3b13 |
completed | March 7, 2026, 10:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69acadf94f0881908b0be66e37b8c04a |
completed | March 7, 2026, 11 p.m. |
Created at: March 1, 2026, 7:51 p.m.