Triple
T571677
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northwest Washington, D.C. |
E13675
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
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.
|
E109307
|
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: Friendship Heights station | Statement: [Northwest Washington, D.C., contains, Friendship Heights station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Friendship Heights station Context triple: [Northwest Washington, D.C., contains, Friendship 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.
Prince George's Plaza station
Prince George's Plaza station is a Washington Metro rapid transit stop in Hyattsville, Maryland, serving the Green Line and the surrounding commercial and residential areas.
-
C.
Braddock Road station
Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
-
D.
Pentagon City station
Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
-
E.
Anacostia station
Anacostia station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Anacostia neighborhood.
- 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: Friendship Heights station Triple: [Northwest Washington, D.C., contains, Friendship Heights station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Friendship Heights station Target entity description: 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.
-
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.
Prince George's Plaza station
Prince George's Plaza station is a Washington Metro rapid transit stop in Hyattsville, Maryland, serving the Green Line and the surrounding commercial and residential areas.
-
C.
Braddock Road station
Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
-
D.
Pentagon City station
Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
-
E.
Anacostia station
Anacostia station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Anacostia neighborhood.
- 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_69a4933fa4d88190a7949cc83c08c5c1 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49b483ac08190b3be152a7cf42011 |
completed | March 1, 2026, 8:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7edf404008190bde0280a67c12b5a |
completed | March 4, 2026, 8:31 a.m. |
| NEDg | Description generation | batch_69a7f32f7ea88190be02ba949882ccc8 |
completed | March 4, 2026, 8:54 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a7f38139d08190818f63c6238ccd56 |
completed | March 4, 2026, 8:55 a.m. |
Created at: March 1, 2026, 7:33 p.m.