Triple
T16089941
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Prague trams |
E390334
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object |
Škoda 15T trams
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.
|
E1197868
|
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: Škoda 15T trams | Statement: [Prague trams, usesRollingStock, Škoda 15T trams]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Škoda 15T trams Context triple: [Prague trams, usesRollingStock, Škoda 15T trams]
-
A.
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.
-
B.
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.
-
C.
Stadler Tango trams
Stadler Tango trams are modern, low-floor light rail vehicles built by Stadler Rail, commonly used in European cities for high-capacity, urban public transport services.
-
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. 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: Škoda 15T trams Triple: [Prague trams, usesRollingStock, Škoda 15T trams]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Škoda 15T trams Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Stadler Tango trams
Stadler Tango trams are modern, low-floor light rail vehicles built by Stadler Rail, commonly used in European cities for high-capacity, urban public transport services.
-
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. 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_69d87f198bc48190a8b7e53ca15b7ead |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e184522b2c8190986daae6cb2d9db4 |
completed | April 17, 2026, 12:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fff79a96d08190af69cbb18037f66e |
completed | May 10, 2026, 3:12 a.m. |
| NEDg | Description generation | batch_69fff86a556c819096bc008e1ca76e8c |
completed | May 10, 2026, 3:15 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fff926120081909f1042bf3a16ea10 |
completed | May 10, 2026, 3:19 a.m. |
Created at: April 10, 2026, 4:59 a.m.