Triple
T18639323
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Houston and Texas Central Railroad |
E455639
|
entity |
| Predicate | route |
P5619
|
FINISHED |
| Object | Houston–Dallas corridor |
—
|
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: Houston–Dallas corridor | Statement: [Houston and Texas Central Railroad, route, Houston–Dallas corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Houston–Dallas corridor Context triple: [Houston and Texas Central Railroad, route, Houston–Dallas corridor]
-
A.
Houston–Dallas
chosen
Houston–Dallas refers to the major intercity rail corridor in Texas connecting the cities of Houston and Dallas.
-
B.
Dallas–Fort Worth metroplex
The Dallas–Fort Worth metroplex is a major urban and economic region in North Texas encompassing numerous cities and suburbs, known as one of the largest and fastest-growing metropolitan areas in the United States.
-
C.
North Texas
North Texas is a region of the U.S. state of Texas centered around the Dallas–Fort Worth metropolitan area and known as a major economic and cultural hub.
-
D.
Kansas City–Gulf Coast corridor
The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
-
E.
Chicago–Memphis corridor
The Chicago–Memphis corridor is a major north–south transportation route in the central United States linking the Chicago metropolitan area with Memphis through a network of interstate highways.
- 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.