Triple
T19756598
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Texas Medical Center Transit Center |
E474515
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Houston METRORail Red Line |
—
|
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 METRORail Red Line | Statement: [Texas Medical Center Transit Center, connectsTo, Houston METRORail Red Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Houston METRORail Red Line Context triple: [Texas Medical Center Transit Center, connectsTo, Houston METRORail Red Line]
-
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.
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.
-
C.
Dallas Area Rapid Transit Light Rail Red Line
The Dallas Area Rapid Transit Light Rail Red Line is a major DART light rail route in the Dallas–Fort Worth area that runs north–south through key suburbs and central Dallas, connecting residential, commercial, and downtown destinations.
-
D.
Dallas Area Rapid Transit (DART) Orange Line
The Dallas Area Rapid Transit (DART) Orange Line is a light rail route in the Dallas–Fort Worth area that connects key destinations including downtown Dallas, Irving, and the Las Colinas urban center.
-
E.
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.
- 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_69d8e51940a0819087bd2996f98da668 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e6531c42408190b856341a6c6a4101 |
completed | April 20, 2026, 4:23 p.m. |
Created at: April 10, 2026, 1:48 p.m.