Triple
T17804073
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station (Houston) |
E444507
|
entity |
| Predicate | servedRailroad |
P782
|
FINISHED |
| Object | Houston and Texas Central Railway |
—
|
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 and Texas Central Railway | Statement: [Union Station (Houston), servedRailroad, Houston and Texas Central Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Houston and Texas Central Railway Context triple: [Union Station (Houston), servedRailroad, Houston and Texas Central Railway]
-
A.
Houston and Texas Central Railroad
chosen
The Houston and Texas Central Railroad was a major 19th-century Texas rail line that played a key role in opening up the state’s interior to settlement, commerce, and economic development.
-
B.
Houston Belt and Terminal Railway
The Houston Belt and Terminal Railway was a terminal railroad company in Houston, Texas, that provided switching and terminal services for multiple major railroads serving the city.
-
C.
Texas and New Orleans Railroad
The Texas and New Orleans Railroad was a major regional rail carrier in Texas and Louisiana that became a key component of the Southern Pacific system in the American Southwest.
-
D.
Texas State Railroad
The Texas State Railroad is a historic heritage railway in East Texas that offers scenic train excursions through the Piney Woods using vintage locomotives and cars.
-
E.
Texas and Pacific Railway
The Texas and Pacific Railway was a major 19th- and 20th-century American railroad that operated across Texas and into the southwestern United States, playing a key role in regional transportation and economic development.
- 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_69d8b9efe370819095cd219b143ae727 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e48802bcfc8190a138164d11081ab8 |
completed | April 19, 2026, 7:45 a.m. |
Created at: April 10, 2026, 10:14 a.m.