Triple
T1058834
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (Washington Metro) |
E22857
|
entity |
| Predicate | stationServed |
P6301
|
FINISHED |
| Object |
Capitol Heights station
Capitol Heights station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue and Silver Lines near the D.C.–Maryland border.
|
E232542
|
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: Capitol Heights station | Statement: [Blue Line (Washington Metro), stationServed, Capitol Heights station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Capitol Heights station Context triple: [Blue Line (Washington Metro), stationServed, Capitol Heights station]
-
A.
Columbia Heights station
Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
-
B.
Potomac Avenue station
Potomac Avenue station is a Washington Metro rapid transit station in Washington, D.C., served by the Blue, Orange, and Silver Lines.
-
C.
Crystal City station
Crystal City station is an underground Washington Metro stop in Arlington, Virginia, serving the Crystal City business district and nearby Reagan National Airport.
-
D.
Silver Spring station
Silver Spring station is a major transit hub in Silver Spring, Maryland, serving MARC commuter rail, Washington Metro’s Red Line, and multiple bus routes.
-
E.
Friendship Heights station
Friendship Heights station is a Washington Metro rapid transit station serving the Friendship Heights neighborhood on the Red Line near the D.C.–Maryland border.
- 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: Capitol Heights station Triple: [Blue Line (Washington Metro), stationServed, Capitol Heights station]
Generated description
Capitol Heights station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue and Silver Lines near the D.C.–Maryland border.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Capitol Heights station Target entity description: Capitol Heights station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue and Silver Lines near the D.C.–Maryland border.
-
A.
Columbia Heights station
Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
-
B.
Potomac Avenue station
Potomac Avenue station is a Washington Metro rapid transit station in Washington, D.C., served by the Blue, Orange, and Silver Lines.
-
C.
Crystal City station
Crystal City station is an underground Washington Metro stop in Arlington, Virginia, serving the Crystal City business district and nearby Reagan National Airport.
-
D.
Silver Spring station
Silver Spring station is a major transit hub in Silver Spring, Maryland, serving MARC commuter rail, Washington Metro’s Red Line, and multiple bus routes.
-
E.
Friendship Heights station
Friendship Heights station is a Washington Metro rapid transit station serving the Friendship Heights neighborhood on the Red Line near the D.C.–Maryland border.
- 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_69a4bb7320f88190a8428946541df157 |
completed | March 1, 2026, 10:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae26ce527c8190988fd9a97ad06895 |
completed | March 9, 2026, 1:47 a.m. |
| NEDg | Description generation | batch_69ae2763b4b08190b733e8342a52f75e |
completed | March 9, 2026, 1:50 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae27d10bf08190a14fa1ca906646f8 |
completed | March 9, 2026, 1:52 a.m. |
Created at: March 1, 2026, 7:42 p.m.