Triple
T16199717
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line B (Prague Metro) |
E393164
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object | M1 (Prague Metro train) |
E1195188
|
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: M1 (Prague Metro train) | Statement: [Line B (Prague Metro), hasRollingStock, M1 (Prague Metro train)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: M1 (Prague Metro train) Context triple: [Line B (Prague Metro), hasRollingStock, M1 (Prague Metro train)]
-
A.
Prague Metro M1 trains
chosen
Prague Metro M1 trains are a series of modern electric multiple units that operate on Prague’s metro system, particularly known for serving Line A with upgraded comfort, safety, and performance compared to older rolling stock.
-
B.
Prague Metro 81-71M trains
Prague Metro 81-71M trains are a modernized series of Soviet-designed 81-71 metro cars refurbished for improved performance, safety, and passenger comfort on Prague’s underground network.
-
C.
Prague Metro
The Prague Metro is the rapid transit system serving the Czech capital, known for its three main lines, deep underground stations, and role as the backbone of the city's public transportation network.
-
D.
Prague commuter rail
The Prague commuter rail is a suburban rail network that links Prague with its surrounding metropolitan area, providing frequent regional train services that complement the city’s urban transit system.
-
E.
Prague trams
Prague trams are an extensive electric streetcar network that forms a core part of Prague’s public transport system, serving both central and outlying districts.
- 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_69d87f1f5bd08190bd01cac0d5b9d2ef |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e222de2db481908471b9c73d444607 |
completed | April 17, 2026, 12:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffff1107908190afda091b53317d81 |
completed | May 10, 2026, 3:44 a.m. |
Created at: April 10, 2026, 5:03 a.m.