Triple
T6602522
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Anacostia |
E149033
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object | Frederick Douglass Memorial Bridge |
E394215
|
NE FINISHED |
How this triple was built (2 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: Frederick Douglass Memorial Bridge | Statement: [Anacostia, hasBridge, Frederick Douglass Memorial Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Frederick Douglass Memorial Bridge Context triple: [Anacostia, hasBridge, Frederick Douglass Memorial Bridge]
-
A.
Frederick Douglass Memorial Bridge
chosen
The Frederick Douglass Memorial Bridge is a major vehicular and pedestrian bridge in Washington, D.C., named in honor of abolitionist Frederick Douglass and serving as a key gateway into the city.
-
B.
Mark Twain Memorial Bridge
The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
-
C.
Anderson Memorial Bridge
Anderson Memorial Bridge is a historic arch bridge in Massachusetts that carries traffic between Boston and Cambridge near Harvard University.
-
D.
Grenville Dodge Memorial Bridge
The Grenville Dodge Memorial Bridge is a major highway bridge in the Omaha–Council Bluffs area that carries Interstate 480 across the Missouri River between Nebraska and Iowa.
-
E.
Rochambeau Memorial Bridge
The Rochambeau Memorial Bridge is a major highway bridge carrying Interstate 395 across the Potomac River into Washington, D.C.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c687eaa7508190bb58ce2aa02039b3 |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6af10303081909541a140f8898979 |
completed | March 27, 2026, 4:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d065a63f8c8190a50f814fb70e0e31 |
completed | April 4, 2026, 1:13 a.m. |
Created at: March 27, 2026, 1:56 p.m.