Triple
T1058805
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (Washington Metro) |
E22857
|
entity |
| Predicate | formerEasternTerminus |
P3569
|
FINISHED |
| Object |
Addison Road–Seat Pleasant station
Addison Road–Seat Pleasant station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue Line in the eastern suburbs of Washington, D.C.
|
E120313
|
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: Addison Road–Seat Pleasant station | Statement: [Blue Line (Washington Metro), formerEasternTerminus, Addison Road–Seat Pleasant station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Addison Road–Seat Pleasant station Context triple: [Blue Line (Washington Metro), formerEasternTerminus, Addison Road–Seat Pleasant station]
-
A.
Willow Grove station
Willow Grove station is a SEPTA Regional Rail stop in Willow Grove, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
-
B.
Branch Avenue station
Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
-
C.
Pattison Avenue station
Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
-
D.
Hunt Valley station
Hunt Valley station is a light rail transit station in Hunt Valley, Maryland, serving as the northern endpoint of the Baltimore Light RailLink system.
-
E.
Naylor Road station
Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
- 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: Addison Road–Seat Pleasant station Triple: [Blue Line (Washington Metro), formerEasternTerminus, Addison Road–Seat Pleasant station]
Generated description
Addison Road–Seat Pleasant station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue Line in the eastern suburbs of Washington, D.C.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Addison Road–Seat Pleasant station Target entity description: Addison Road–Seat Pleasant station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue Line in the eastern suburbs of Washington, D.C.
-
A.
Willow Grove station
Willow Grove station is a SEPTA Regional Rail stop in Willow Grove, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
-
B.
Branch Avenue station
Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
-
C.
Pattison Avenue station
Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
-
D.
Hunt Valley station
Hunt Valley station is a light rail transit station in Hunt Valley, Maryland, serving as the northern endpoint of the Baltimore Light RailLink system.
-
E.
Naylor Road station
Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
- 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_69a493dada0481909c43649f9843ea91 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b8dc9e8c819099fbb192bcf80615 |
completed | March 1, 2026, 10:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac3bd3400c8190b84e88073f19beba |
completed | March 7, 2026, 2:53 p.m. |
| NEDg | Description generation | batch_69ac3ca9b5d88190816980f964f7e947 |
completed | March 7, 2026, 2:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac3d61a0c48190b619b3049df33512 |
completed | March 7, 2026, 2:59 p.m. |
Created at: March 1, 2026, 7:42 p.m.