Triple
T10451234
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North American Vertical Datum of 1988 |
E246427
|
entity |
| Predicate | maintainedBy |
P86
|
FINISHED |
| Object | National Geodetic Survey |
E9307
|
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: National Geodetic Survey | Statement: [North American Vertical Datum of 1988, maintainedBy, National Geodetic Survey]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Geodetic Survey Context triple: [North American Vertical Datum of 1988, maintainedBy, National Geodetic Survey]
-
A.
National Geodetic Survey
chosen
The National Geodetic Survey is the U.S. federal agency responsible for defining, maintaining, and providing access to the national coordinate system used for mapping, charting, and navigation.
-
B.
United States Coast Survey
The United States Coast Survey was a 19th-century U.S. federal scientific agency responsible for charting the nation’s coasts and producing nautical maps to support safe navigation and commerce.
-
C.
United States Hydrographic Office
The United States Hydrographic Office was a U.S. Navy agency responsible for producing nautical charts, sailing directions, and other navigational publications to support safe maritime navigation.
-
D.
United States Geological Survey
The United States Geological Survey is a U.S. government scientific agency that studies and monitors natural resources and natural hazards such as earthquakes, volcanoes, and water resources.
-
E.
Federal Topographic Bureau
The Federal Topographic Bureau is a Swiss governmental cartographic agency responsible for producing official topographic maps and geographic data for Switzerland.
- 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_69d381c04fe08190957c26c526a3b05a |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4fe0a6a548190a54212912f618e4e |
completed | April 7, 2026, 12:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d90d9ed4988190b4fee055eaad39c5 |
completed | April 10, 2026, 2:47 p.m. |
Created at: April 6, 2026, 12:17 p.m.