Triple
T19692428
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Plains rail bridge |
E472867
|
entity |
| Predicate | locatedNear |
P294
|
FINISHED |
| Object | Washington, D.C.–Maryland border |
—
|
NE NERFINISHED |
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: Washington, D.C.–Maryland border | Statement: [Blue Plains rail bridge, locatedNear, Washington, D.C.–Maryland border]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Washington, D.C.–Maryland border Context triple: [Blue Plains rail bridge, locatedNear, Washington, D.C.–Maryland border]
-
A.
District of Columbia–Maryland border
chosen
The District of Columbia–Maryland border is the boundary line separating Washington, D.C. from the state of Maryland, running through both urban and natural areas in the region.
-
B.
District of Columbia–Virginia border
The District of Columbia–Virginia border is the jurisdictional boundary separating Washington, D.C. from the state of Virginia, largely defined by the Potomac River and significant for its legal, political, and infrastructural implications in the U.S. capital region.
-
C.
Pennsylvania–Maryland border
The Pennsylvania–Maryland border is a historically significant state line in the eastern United States, largely following the Mason–Dixon Line and separating Pennsylvania to the north from Maryland to the south.
-
D.
Maryland state line
The Maryland state line is the boundary separating the state of Maryland from its neighboring states, including Pennsylvania’s Bedford County.
-
E.
Maryland–Virginia border on the Potomac River
The Maryland–Virginia border on the Potomac River is the historically contested interstate boundary running along the Potomac that separates Maryland from Virginia and Washington, D.C., influencing regional jurisdiction, navigation, and development.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e515bef88190bc30781aea50537a |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e64210cddc8190836faa2996a44457 |
completed | April 20, 2026, 3:11 p.m. |
Created at: April 10, 2026, 1:46 p.m.