Triple
T2440245
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens S700 |
E53255
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Houston METRO |
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 METRO | Statement: [Siemens S700, operator, Houston METRO]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Houston METRO Context triple: [Siemens S700, operator, Houston METRO]
-
A.
Houston
Houston is a major U.S. metropolis known for its energy industry, NASA’s Johnson Space Center, and its diverse, rapidly growing population.
-
B.
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.
-
C.
Downtown Houston
Downtown Houston is the central business district and urban core of Houston, Texas, known for its skyscrapers, entertainment venues, and major sports arenas.
-
D.
Southwest Houston
Southwest Houston is a large, diverse residential and commercial area of Houston, Texas, known for its mix of established neighborhoods, shopping centers, and multicultural communities.
-
E.
Houston–The Woodlands–Sugar Land metropolitan area
The Houston–The Woodlands–Sugar Land metropolitan area is a major U.S. urban region in Southeast Texas centered on Houston, known for its large and diverse population, energy and aerospace industries, and significant economic and cultural influence.
- 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_69ab495b6dac8190ac82661aa1452222 |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abc9f7ba208190810f8ea115110375 |
completed | March 7, 2026, 6:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aef0b3f7188190911f2db0ef2200cc |
completed | March 9, 2026, 4:09 p.m. |
Created at: March 6, 2026, 9:43 p.m.