Triple
T13233366
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PCC streetcar |
E315076
|
entity |
| Predicate | licensee |
P15136
|
FINISHED |
| Object |
ČKD Tatra
ČKD Tatra was a major Czechoslovak tram and rail vehicle manufacturer best known for producing large numbers of robust Tatra streetcars widely used across Central and Eastern Europe.
|
E1029631
|
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: ČKD Tatra | Statement: [PCC streetcar, licensee, ČKD Tatra]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ČKD Tatra Context triple: [PCC streetcar, licensee, ČKD Tatra]
-
A.
Tatra automobile factory
The Tatra automobile factory is a historic Czech manufacturer renowned for its innovative, often air-cooled vehicles and heavy trucks, and is one of the oldest car makers in the world.
-
B.
Tatra 815
The Tatra 815 is a heavy-duty Czech all-wheel-drive truck platform widely used for both military applications and commercial transport.
-
C.
Škoda
Škoda is a Czech automobile manufacturer known for producing practical, affordable cars and operating as a subsidiary brand within the Volkswagen Group.
-
D.
Steyr-Daimler-Puch
Steyr-Daimler-Puch was a major Austrian industrial conglomerate best known for producing firearms, vehicles, and machinery throughout the 20th century.
-
E.
Steyr Motors
Steyr Motors is an Austrian engineering company specializing in the development and production of high-performance diesel engines for marine, industrial, and military applications.
- 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: ČKD Tatra Triple: [PCC streetcar, licensee, ČKD Tatra]
Generated description
ČKD Tatra was a major Czechoslovak tram and rail vehicle manufacturer best known for producing large numbers of robust Tatra streetcars widely used across Central and Eastern Europe.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ČKD Tatra Target entity description: ČKD Tatra was a major Czechoslovak tram and rail vehicle manufacturer best known for producing large numbers of robust Tatra streetcars widely used across Central and Eastern Europe.
-
A.
Tatra automobile factory
The Tatra automobile factory is a historic Czech manufacturer renowned for its innovative, often air-cooled vehicles and heavy trucks, and is one of the oldest car makers in the world.
-
B.
Tatra 815
The Tatra 815 is a heavy-duty Czech all-wheel-drive truck platform widely used for both military applications and commercial transport.
-
C.
Škoda
Škoda is a Czech automobile manufacturer known for producing practical, affordable cars and operating as a subsidiary brand within the Volkswagen Group.
-
D.
Steyr-Daimler-Puch
Steyr-Daimler-Puch was a major Austrian industrial conglomerate best known for producing firearms, vehicles, and machinery throughout the 20th century.
-
E.
Steyr Motors
Steyr Motors is an Austrian engineering company specializing in the development and production of high-performance diesel engines for marine, industrial, and military applications.
- 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_69d806affc688190a25b6ccc588e9c72 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98d34ff288190bdb550a019b7a470 |
completed | April 10, 2026, 11:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6ff2dca2c81909cab1aa868ad575d |
completed | May 3, 2026, 7:54 a.m. |
| NEDg | Description generation | batch_69f70476310c8190b13dc948c1f1ce95 |
completed | May 3, 2026, 8:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f70578047c819089fc3044eceb4eac |
completed | May 3, 2026, 8:21 a.m. |
Created at: April 9, 2026, 9:22 p.m.