Triple
T20507873
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Missouri–Iowa border |
E503481
|
entity |
| Predicate | hasSurvey |
P42127
|
FINISHED |
| Object | Sullivan Line |
—
|
NE NERFINISHED |
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: Sullivan Line | Statement: [Missouri–Iowa border, hasSurvey, Sullivan Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sullivan Line Context triple: [Missouri–Iowa border, hasSurvey, Sullivan Line]
-
A.
Maritime Line
Maritime Line is a regional railway service in Cornwall, England, connecting Falmouth with the mainline rail network.
-
B.
McNamara Line
The McNamara Line was a U.S. electronic barrier system of sensors, mines, and fortifications built during the Vietnam War along the Demilitarized Zone to detect and impede North Vietnamese infiltration.
-
C.
New Jersey Line
The New Jersey Line was a formation of Continental Army regiments raised in New Jersey that served as the colony’s primary contribution to the Patriot forces during the American Revolutionary War.
-
D.
MARC Brunswick Line
The MARC Brunswick Line is a Maryland Area Regional Commuter rail service that operates between Washington, D.C., and points in western Maryland and eastern West Virginia, providing weekday commuter transportation along the former B&O Railroad main line.
-
E.
Cascade Line
The Cascade Line was a key Southern Pacific Railroad route crossing the Cascade Range in Oregon, known for its steep grades, tunnels, and heavy use by powerful steam locomotives.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sullivan Line Target entity description: The Sullivan Line is a historic surveyed boundary line that played a key role in defining the border between the U.S. states of Missouri and Iowa.
-
A.
Maritime Line
Maritime Line is a regional railway service in Cornwall, England, connecting Falmouth with the mainline rail network.
-
B.
McNamara Line
The McNamara Line was a U.S. electronic barrier system of sensors, mines, and fortifications built during the Vietnam War along the Demilitarized Zone to detect and impede North Vietnamese infiltration.
-
C.
New Jersey Line
The New Jersey Line was a formation of Continental Army regiments raised in New Jersey that served as the colony’s primary contribution to the Patriot forces during the American Revolutionary War.
-
D.
MARC Brunswick Line
The MARC Brunswick Line is a Maryland Area Regional Commuter rail service that operates between Washington, D.C., and points in western Maryland and eastern West Virginia, providing weekday commuter transportation along the former B&O Railroad main line.
-
E.
Cascade Line
The Cascade Line was a key Southern Pacific Railroad route crossing the Cascade Range in Oregon, known for its steep grades, tunnels, and heavy use by powerful steam locomotives.
- F. None of above. chosen
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_69e0b4b1e52c8190894281cf7e3283ab |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e69dc8f3c881908ed2e0257a057e73 |
completed | April 20, 2026, 9:42 p.m. |
Created at: April 16, 2026, 11:36 a.m.