Triple
T1217875
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Red Line (Washington Metro) |
E26147
|
entity |
| Predicate | hasTerminus |
P388
|
FINISHED |
| Object |
Shady Grove station
Shady Grove station is a Washington Metro station in Maryland that serves as the northwestern terminus of the system’s Red Line.
|
E213645
|
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: Shady Grove station | Statement: [Red Line (Washington Metro), hasTerminus, Shady Grove station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shady Grove station Context triple: [Red Line (Washington Metro), hasTerminus, Shady Grove station]
-
A.
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.
-
B.
Ridgeland station
Ridgeland station is an elevated Chicago Transit Authority 'L' stop on the Green Line located in the suburb of Oak Park, Illinois.
-
C.
Elizabethtown Station
Elizabethtown Station is a passenger rail station in Elizabethtown, Pennsylvania, served by Amtrak trains along a major east–west route across the state.
-
D.
Sanford station
Sanford station is the Florida terminus of Amtrak’s Auto Train service, where passengers and their vehicles embark and disembark for the rail journey to and from Virginia.
-
E.
Cedar Grove station
Cedar Grove station is a small neighborhood stop on Boston's MBTA Red Line, serving the Ashmont–Mattapan High-Speed Line in the Dorchester area.
- 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: Shady Grove station Triple: [Red Line (Washington Metro), hasTerminus, Shady Grove station]
Generated description
Shady Grove station is a Washington Metro station in Maryland that serves as the northwestern terminus of the system’s Red Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Shady Grove station Target entity description: Shady Grove station is a Washington Metro station in Maryland that serves as the northwestern terminus of the system’s Red Line.
-
A.
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.
-
B.
Ridgeland station
Ridgeland station is an elevated Chicago Transit Authority 'L' stop on the Green Line located in the suburb of Oak Park, Illinois.
-
C.
Elizabethtown Station
Elizabethtown Station is a passenger rail station in Elizabethtown, Pennsylvania, served by Amtrak trains along a major east–west route across the state.
-
D.
Sanford station
Sanford station is the Florida terminus of Amtrak’s Auto Train service, where passengers and their vehicles embark and disembark for the rail journey to and from Virginia.
-
E.
Cedar Grove station
Cedar Grove station is a small neighborhood stop on Boston's MBTA Red Line, serving the Ashmont–Mattapan High-Speed Line in the Dorchester area.
- 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_69a4948331fc8190b531ac9bec71c491 |
completed | March 1, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69a4be08157c8190b248bb75b922644f |
completed | March 1, 2026, 10:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adeab57c8c81908b1dbdaf7ba4b29b |
completed | March 8, 2026, 9:31 p.m. |
| NEDg | Description generation | batch_69adeccddc788190be7ddb822f1b5d67 |
completed | March 8, 2026, 9:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69aded53100081909239afdc676e45ab |
completed | March 8, 2026, 9:42 p.m. |
Created at: March 1, 2026, 7:46 p.m.