Triple
T16309127
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line southern extension |
E396000
|
entity |
| Predicate | previousTerminusBeforeExtension |
P28772
|
FINISHED |
| Object | Anacostia station |
E103497
|
NE FINISHED |
How this triple was built (3 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: Anacostia station | Statement: [Green Line southern extension, previousTerminusBeforeExtension, Anacostia station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Anacostia station Context triple: [Green Line southern extension, previousTerminusBeforeExtension, Anacostia station]
-
A.
Anacostia station
chosen
Anacostia station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Anacostia neighborhood.
-
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.
Ahrensfelde station
Ahrensfelde station is a railway station serving the municipality of Ahrensfelde in the Berlin metropolitan area of Germany.
-
D.
Farragut North station
Farragut North station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the Red Line near Farragut Square.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: previousTerminusBeforeExtension Context triple: [Green Line southern extension, previousTerminusBeforeExtension, Anacostia station]
-
A.
formerTerminusFor
chosen
Indicates that a location once served as the endpoint or final stop of a route, line, or service, but no longer holds that status.
-
B.
successorTerminus
Indicates that one terminus directly follows another in a defined sequence or progression.
-
C.
extensionTerminus
Indicates the endpoint or final limit to which something is extended or continues.
-
D.
terminusOnBranch
Indicates that one endpoint or terminal location lies on a specific branch or subsidiary segment of a larger structure or network.
-
E.
previousBranch
Indicates that one branch directly precedes another in an ordered sequence of branches.
- F. None of above.
Provenance (4 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_69d87f23bb088190a16fbb91a1957ea5 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e288d9557c81909203cd47aebf0f44 |
completed | April 17, 2026, 7:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00260151908190b83f700a1c7c6419 |
completed | May 10, 2026, 6:30 a.m. |
| PD | Predicate disambiguation | batch_69e219fa5508819097e9d383348bf174 |
completed | April 17, 2026, 11:31 a.m. |
Created at: April 10, 2026, 5:06 a.m.