Triple
T17174928
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Line extension of Red Line |
E416833
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object | Houston METRORail network |
E86502
|
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: Houston METRORail network | Statement: [North Line extension of Red Line, partOfNetwork, Houston METRORail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Houston METRORail network Context triple: [North Line extension of Red Line, partOfNetwork, Houston METRORail network]
-
A.
Houston METRORail
chosen
Houston METRORail is a light rail transit system serving the city of Houston, Texas, providing urban passenger rail service along several key corridors.
-
B.
Dallas Area Rapid Transit
Dallas Area Rapid Transit is the public transportation authority serving the Dallas–Fort Worth metropolitan area with bus, light rail, commuter rail, and paratransit services.
-
C.
Capital MetroRail Red Line
The Capital MetroRail Red Line is a commuter rail service in Austin, Texas, connecting downtown with northern suburbs and key destinations along a 32-mile corridor.
-
D.
TRAX light rail
TRAX light rail is a public transit light rail system in the Salt Lake City metropolitan area of Utah, operated by the Utah Transit Authority.
-
E.
Capital Metro
Capital Metro is the primary public transportation agency serving the Austin, Texas metropolitan area with bus, rail, and paratransit services.
- 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_69d886d5f34c8190b24564dfaa63f3fb |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3fc0c329081909f118bd4b7be8653 |
completed | April 18, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a015fc83984819098c98b75cf021e3a |
completed | May 11, 2026, 4:49 a.m. |
Created at: April 10, 2026, 5:37 a.m.