Triple
T2710308
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | N Judah |
E59842
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object |
Siemens S200 (Muni LRV4)
The Siemens S200 (Muni LRV4) is a modern low-floor light rail vehicle used by San Francisco’s Muni Metro system for improved reliability, accessibility, and passenger comfort.
|
E290392
|
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: Siemens S200 (Muni LRV4) | Statement: [N Judah, usesRollingStock, Siemens S200 (Muni LRV4)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Siemens S200 (Muni LRV4) Context triple: [N Judah, usesRollingStock, Siemens S200 (Muni LRV4)]
-
A.
Siemens S700 light rail vehicles
Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
-
B.
Siemens modular metro trains
Siemens modular metro trains are a family of customizable, electric multiple-unit metro vehicles designed by Siemens for urban rapid transit systems.
-
C.
Bombardier Innovia APM 200
The Bombardier Innovia APM 200 is a fully automated, rubber-tired people mover system commonly used for airport and urban transit connections.
-
D.
Bombardier Flexity Classic
The Bombardier Flexity Classic is a family of low-floor, multi-section trams used in various cities worldwide, designed for reliable, accessible urban light rail service.
-
E.
Bombardier Flexity Swift
The Bombardier Flexity Swift is a family of modular, high-floor light rail and tram vehicles designed for rapid transit operations in urban and suburban networks worldwide.
- 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: Siemens S200 (Muni LRV4) Triple: [N Judah, usesRollingStock, Siemens S200 (Muni LRV4)]
Generated description
The Siemens S200 (Muni LRV4) is a modern low-floor light rail vehicle used by San Francisco’s Muni Metro system for improved reliability, accessibility, and passenger comfort.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Siemens S200 (Muni LRV4) Target entity description: The Siemens S200 (Muni LRV4) is a modern low-floor light rail vehicle used by San Francisco’s Muni Metro system for improved reliability, accessibility, and passenger comfort.
-
A.
Siemens S700 light rail vehicles
Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
-
B.
Siemens modular metro trains
Siemens modular metro trains are a family of customizable, electric multiple-unit metro vehicles designed by Siemens for urban rapid transit systems.
-
C.
Bombardier Innovia APM 200
The Bombardier Innovia APM 200 is a fully automated, rubber-tired people mover system commonly used for airport and urban transit connections.
-
D.
Bombardier Flexity Classic
The Bombardier Flexity Classic is a family of low-floor, multi-section trams used in various cities worldwide, designed for reliable, accessible urban light rail service.
-
E.
Bombardier Flexity Swift
The Bombardier Flexity Swift is a family of modular, high-floor light rail and tram vehicles designed for rapid transit operations in urban and suburban networks worldwide.
- 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_69ab4ac92a088190bc74bca14038e3de |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abda7771a4819081904bd6b818b81b |
completed | March 7, 2026, 7:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afaf820e6c8190bc37219eadd57e86 |
completed | March 10, 2026, 5:43 a.m. |
| NEDg | Description generation | batch_69afb002b86881909401e1bec24b76bf |
completed | March 10, 2026, 5:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afb0e906f88190b182cbfe81122eed |
completed | March 10, 2026, 5:49 a.m. |
Created at: March 6, 2026, 9:55 p.m.