Triple
T712167
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens S70 |
E14233
|
entity |
| Predicate | usedInSystem |
P1248
|
FINISHED |
| Object |
Houston METRORail
Houston METRORail is a light rail transit system serving the city of Houston, Texas, providing urban passenger rail service along several key corridors.
|
E86502
|
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: Houston METRORail | Statement: [Siemens S70, usedInSystem, Houston METRORail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Houston METRORail Context triple: [Siemens S70, usedInSystem, Houston METRORail]
-
A.
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.
-
B.
MetroLink light rail
MetroLink light rail is the bi-state light rail transit system serving the Greater St. Louis area, providing regional passenger rail service across parts of Missouri and Illinois.
-
C.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
D.
Huntington Area Rapid Transit
Huntington Area Rapid Transit is the local bus system serving the town of Huntington in Suffolk County, New York.
-
E.
METRO light rail
METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
- 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: Houston METRORail Triple: [Siemens S70, usedInSystem, Houston METRORail]
Generated description
Houston METRORail is a light rail transit system serving the city of Houston, Texas, providing urban passenger rail service along several key corridors.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Houston METRORail Target entity description: Houston METRORail is a light rail transit system serving the city of Houston, Texas, providing urban passenger rail service along several key corridors.
-
A.
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.
-
B.
MetroLink light rail
MetroLink light rail is the bi-state light rail transit system serving the Greater St. Louis area, providing regional passenger rail service across parts of Missouri and Illinois.
-
C.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
D.
Huntington Area Rapid Transit
Huntington Area Rapid Transit is the local bus system serving the town of Huntington in Suffolk County, New York.
-
E.
METRO light rail
METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
- 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_69a4934a36e081909e7abef98b898a4e |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a55dd5908190bfb8816f65ea02e1 |
completed | March 1, 2026, 8:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a63757e5848190b7c11820f67b20a7 |
completed | March 3, 2026, 1:20 a.m. |
| NEDg | Description generation | batch_69a63a3e81688190ab49d55fb53bfb00 |
completed | March 3, 2026, 1:32 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a63ae6b6b88190aa2bb2e39b7afff6 |
completed | March 3, 2026, 1:35 a.m. |
Created at: March 1, 2026, 7:36 p.m.