Triple
T11728615
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | California State Route 1 (within district boundaries) |
E278840
|
entity |
| Predicate | coordinateSystem |
P2054
|
FINISHED |
| Object | North American Datum (for engineering and mapping) |
E859783
|
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: North American Datum (for engineering and mapping) | Statement: [California State Route 1 (within district boundaries), coordinateSystem, North American Datum (for engineering and mapping)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North American Datum (for engineering and mapping) Context triple: [California State Route 1 (within district boundaries), coordinateSystem, North American Datum (for engineering and mapping)]
-
A.
North American Datum of 1983
North American Datum of 1983 is a geodetic reference system used across North America to define precise locations on the Earth's surface for mapping, surveying, and navigation.
-
B.
North American Datum of 1927
chosen
The North American Datum of 1927 is a geodetic reference system that long served as the standard coordinate framework for mapping and surveying in North America before being superseded by more modern datums.
-
C.
North American Vertical Datum of 1988
The North American Vertical Datum of 1988 (NAVD 88) is the primary geodetic reference system used across North America to define consistent elevations above mean sea level for mapping, surveying, and engineering.
-
D.
North American Terrestrial Reference Frame 2022
North American Terrestrial Reference Frame 2022 is a modern geodetic reference frame for North America designed to provide more accurate, stable, and time-dependent positioning coordinates for mapping, surveying, and navigation.
-
E.
National Spatial Reference System
The National Spatial Reference System is the official coordinate framework used in the United States to define precise locations, elevations, and boundaries for mapping, surveying, and navigation.
- 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_69d6aaffec6881908bead509e8621742 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a4d80ef881908cab956787ab07fd |
completed | April 10, 2026, 7:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ef83e9efdc8190830f9b9cb5362b1c |
completed | April 27, 2026, 3:42 p.m. |
Created at: April 8, 2026, 9:41 p.m.