Triple
T13380402
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Karlsplatz |
E319301
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | U4 line (Vienna U-Bahn) |
E548235
|
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: U4 line (Vienna U-Bahn) | Statement: [Karlsplatz, servedBy, U4 line (Vienna U-Bahn)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U4 line (Vienna U-Bahn) Context triple: [Karlsplatz, servedBy, U4 line (Vienna U-Bahn)]
-
A.
Vienna U-Bahn line U4
chosen
Vienna U-Bahn line U4 is a major rapid transit line in Vienna that runs largely along the Wien River, connecting the western district of Hütteldorf with Heiligenstadt in the north.
-
B.
Vienna U1 line
The Vienna U1 line is one of the main lines of the Vienna U-Bahn rapid transit system, running in a north–south direction and connecting several key districts and transport hubs across the city.
-
C.
U6 (Vienna U-Bahn)
U6 is one of the main lines of the Vienna U-Bahn network, running in a north–south arc and serving numerous residential and commercial districts with frequent rapid transit service.
-
D.
Vienna U4 metro line
The Vienna U4 metro line is one of the main rapid transit lines in Vienna, running roughly along the Wien River and connecting key districts and transport hubs across the city.
-
E.
Vienna U2 line
The Vienna U2 line is one of the city’s main underground metro lines, running across central districts including Leopoldstadt and connecting key cultural, residential, and event areas.
- 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_69d806b886bc8190b676e7768b8e01c5 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dadce694788190881d1feac5b75720 |
completed | April 11, 2026, 11:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7397f098c8190a2062d8c1a74d28f |
completed | May 3, 2026, 12:03 p.m. |
Created at: April 9, 2026, 9:33 p.m.