Triple
T22936429
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | METRORail Purple Line |
E569597
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
UH South/University Oaks station
UH South/University Oaks station is a light rail stop in Houston, Texas, serving the University of Houston area as part of the city’s METRORail system.
|
E1561698
|
NE FINISHED |
How this triple was built (4 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: UH South/University Oaks station | Statement: [METRORail Purple Line, hasStation, UH South/University Oaks station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: UH South/University Oaks station Context triple: [METRORail Purple Line, hasStation, UH South/University Oaks station]
-
A.
UH–Downtown station
UH–Downtown station is a light rail stop in Houston, Texas, serving the University of Houston–Downtown area as part of the city’s METRORail system.
-
B.
University City–Big Bend station
University City–Big Bend station is a St. Louis MetroLink light rail stop serving the Blue Line near Washington University and the University City area.
-
C.
University Station
University Station is a major mixed-use retail and commercial shopping complex serving the Westwood, Massachusetts area.
-
D.
University Station
University Station is a light rail transit stop on Edmonton's LRT network serving the University of Alberta area.
-
E.
University Station
University Station is the northern terminal station of Buffalo's Metro Rail system, serving the University at Buffalo's South Campus and surrounding areas.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: UH South/University Oaks station Triple: [METRORail Purple Line, hasStation, UH South/University Oaks station]
Generated description
UH South/University Oaks station is a light rail stop in Houston, Texas, serving the University of Houston area as part of the city’s METRORail system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: UH South/University Oaks station Target entity description: UH South/University Oaks station is a light rail stop in Houston, Texas, serving the University of Houston area as part of the city’s METRORail system.
-
A.
UH–Downtown station
UH–Downtown station is a light rail stop in Houston, Texas, serving the University of Houston–Downtown area as part of the city’s METRORail system.
-
B.
University City–Big Bend station
University City–Big Bend station is a St. Louis MetroLink light rail stop serving the Blue Line near Washington University and the University City area.
-
C.
University Station
University Station is a major mixed-use retail and commercial shopping complex serving the Westwood, Massachusetts area.
-
D.
University Station
University Station is a light rail transit stop on Edmonton's LRT network serving the University of Alberta area.
-
E.
University Station
University Station is the northern terminal station of Buffalo's Metro Rail system, serving the University at Buffalo's South Campus and surrounding areas.
- F. None of above. chosen
Provenance (5 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_69e24590862c8190858f180ad302adab |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1813608e48190922df7a5386dc391 |
completed | April 29, 2026, 3:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0bc250aaa88190bd4d516e31012882 |
completed | May 19, 2026, 1:52 a.m. |
| NEDg | Description generation | batch_6a0bc30a16408190ba27d804c7a4933e |
completed | May 19, 2026, 1:55 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0bc39e4c00819083a5c7bc3c9c1526 |
completed | May 19, 2026, 1:57 a.m. |
Created at: April 17, 2026, 3:44 p.m.