Triple
T18639322
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Houston and Texas Central Railroad |
E455639
|
entity |
| Predicate | servedRegion |
P82
|
FINISHED |
| Object | Texas Blackland Prairie |
—
|
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: Texas Blackland Prairie | Statement: [Houston and Texas Central Railroad, servedRegion, Texas Blackland Prairie]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Texas Blackland Prairie Context triple: [Houston and Texas Central Railroad, servedRegion, Texas Blackland Prairie]
-
A.
Blackland Prairie
chosen
Blackland Prairie is a fertile grassland ecoregion in Texas characterized by rich, dark clay soils that historically supported extensive tallgrass prairies and now largely agricultural land.
-
B.
Rolling Plains of Texas
The Rolling Plains of Texas is a vast region of gently undulating prairies and rangelands in West-Central Texas, characterized by grasslands, scattered mesquite, and a strong ranching and agricultural economy.
-
C.
South Texas Plains
South Texas Plains is a semi-arid region in southern Texas characterized by brush country, rolling plains, and a mix of ranching and oil-producing landscapes.
-
D.
South Plains
South Plains is a region in northwestern Texas known for its flat, high plains landscape and strong agricultural and ranching economy.
-
E.
Cross Timbers
Cross Timbers is a transitional ecoregion of mixed woodland and prairie that stretches across parts of Oklahoma, Texas, and Kansas, forming a natural boundary between the eastern forests and the Great Plains.
- 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_69d8d38ea1e88190997e9b231190ba6f |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e54fcac2d48190a15ce8cc8e175198 |
completed | April 19, 2026, 9:57 p.m. |
Created at: April 10, 2026, 11:47 a.m.