Triple
T10378052
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | NAVD 88 |
E244556
|
entity |
| Predicate | replaced |
P101
|
FINISHED |
| Object |
National Geodetic Vertical Datum of 1929
The National Geodetic Vertical Datum of 1929 is an older United States vertical reference system used to define elevations above sea level before being superseded by NAVD 88.
|
E859786
|
NE FINISHED |
How this triple was built (4 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 Vertical Datum of 1929 | Statement: [NAVD 88, replaced, National Geodetic Vertical Datum of 1929]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Geodetic Vertical Datum of 1929 Context triple: [NAVD 88, replaced, National Geodetic Vertical Datum of 1929]
-
A.
Newlands Reclamation Project
The Newlands Reclamation Project is one of the earliest U.S. federal irrigation projects, designed to divert water from the Truckee and Carson Rivers to transform arid Nevada lands into productive agricultural areas.
-
B.
The Basin
The Basin is a popular, sheltered swimming and snorkeling beach on Rottnest Island in Western Australia, known for its clear turquoise water and white sand.
-
C.
The Basin
The Basin is the common nickname for the Basin Reserve, a historic cricket ground and major sporting venue in Wellington, New Zealand.
-
D.
The Basin
The Basin is a naturally formed granite pothole and popular scenic attraction along the Pemigewasset River in Franconia Notch, New Hampshire.
-
E.
Great Stone Dam
The Great Stone Dam is a historic 19th-century granite dam in Lawrence, Massachusetts, built to harness the Merrimack River for industrial waterpower and central to the city’s mill-era development.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: National Geodetic Vertical Datum of 1929 Triple: [NAVD 88, replaced, National Geodetic Vertical Datum of 1929]
Generated description
The National Geodetic Vertical Datum of 1929 is an older United States vertical reference system used to define elevations above sea level before being superseded by NAVD 88.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: National Geodetic Vertical Datum of 1929 Target entity description: The National Geodetic Vertical Datum of 1929 is an older United States vertical reference system used to define elevations above sea level before being superseded by NAVD 88.
-
A.
Newlands Reclamation Project
The Newlands Reclamation Project is one of the earliest U.S. federal irrigation projects, designed to divert water from the Truckee and Carson Rivers to transform arid Nevada lands into productive agricultural areas.
-
B.
The Basin
The Basin is a popular, sheltered swimming and snorkeling beach on Rottnest Island in Western Australia, known for its clear turquoise water and white sand.
-
C.
The Basin
The Basin is the common nickname for the Basin Reserve, a historic cricket ground and major sporting venue in Wellington, New Zealand.
-
D.
The Basin
The Basin is a naturally formed granite pothole and popular scenic attraction along the Pemigewasset River in Franconia Notch, New Hampshire.
-
E.
Great Stone Dam
The Great Stone Dam is a historic 19th-century granite dam in Lawrence, Massachusetts, built to harness the Merrimack River for industrial waterpower and central to the city’s mill-era development.
- F. None of above. chosen
Provenance (5 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_69d381b3e328819094b23b8edcd29b5a |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4e98f312481909f7276fc3762d7bc |
completed | April 7, 2026, 11:25 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d7957e52108190a8d262b30a7d2780 |
completed | April 9, 2026, 12:03 p.m. |
| NEDg | Description generation | batch_69d798e3dba08190911fc9fec5d2c8e2 |
completed | April 9, 2026, 12:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d79a6086fc8190ab8454a216dfda8c |
completed | April 9, 2026, 12:24 p.m. |
Created at: April 6, 2026, 12:03 p.m.