Triple
T19524141
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Riga tram lines |
E488476
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object | Škoda 15T ForCity tram |
—
|
NE NERFINISHED |
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: Škoda 15T ForCity tram | Statement: [Riga tram lines, hasRollingStock, Škoda 15T ForCity tram]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Škoda 15T ForCity tram Context triple: [Riga tram lines, hasRollingStock, Škoda 15T ForCity tram]
-
A.
Škoda 15T trams
chosen
Škoda 15T trams are a modern low-floor, multi-section tram model produced by Škoda Transportation, widely used in Prague’s urban public transport network.
-
B.
Škoda 14T trams
Škoda 14T trams are a series of low-floor, modern electric trams manufactured by Škoda Transportation, designed primarily for urban public transport in Prague.
-
C.
Tatra T6A5 trams
Tatra T6A5 trams are a series of high-floor, four-axle electric streetcars produced by ČKD Tatra in the late 20th century, widely used in Central and Eastern European cities.
-
D.
Tatra T2 tram
The Tatra T2 tram is a mid-20th-century Czechoslovak streetcar model that adapted and localized the American PCC design for use across Eastern European urban transit systems.
-
E.
Tatra T1 tram
The Tatra T1 tram is an early postwar Czechoslovak streetcar model that adapted American PCC technology into a robust, standardized design widely used across Eastern Europe.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e8da8bec819081f400199491ccc3 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e636392444819094f6a2aa1cdf3d42 |
completed | April 20, 2026, 2:20 p.m. |
Created at: April 10, 2026, 1:41 p.m.