Triple
T14867484
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Millennium Underground |
E349653
|
entity |
| Predicate | originalName |
P65
|
FINISHED |
| Object | Franz Joseph Underground Electric Railway |
E70153
|
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: Franz Joseph Underground Electric Railway | Statement: [Millennium Underground, originalName, Franz Joseph Underground Electric Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Franz Joseph Underground Electric Railway Context triple: [Millennium Underground, originalName, Franz Joseph Underground Electric Railway]
-
A.
Tatra Electric Railway
Tatra Electric Railway is a narrow-gauge, electrified mountain railway network in Slovakia’s High Tatras, serving as a key public transport system for tourists and locals in the region.
-
B.
Budapest Cog-wheel Railway
The Budapest Cog-wheel Railway is a historic rack railway line in Budapest that climbs the steep slopes of the Buda Hills, serving both commuters and tourists with scenic hillside transport.
-
C.
Buda Castle Funicular
The Buda Castle Funicular is a historic hillside railway in Budapest that connects the banks of the Danube with the Buda Castle district, offering scenic views of the city.
-
D.
Budapest Metro
chosen
The Budapest Metro is the rapid transit system serving Hungary’s capital, notable for including Line 1, one of the oldest electrified underground railway lines in continental Europe.
-
E.
Semmering Railway
The Semmering Railway is a pioneering 19th-century mountain railway in Austria, renowned as one of the first true alpine railways and a UNESCO World Heritage Site for its innovative engineering and scenic route.
- 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_69d822ee4f408190b6ac3b2fa434f0df |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69ded5776b848190bfe3a06ff261dc31 |
completed | April 15, 2026, 12:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe72aad76c8190b024651483d8f9ff |
completed | May 8, 2026, 11:32 p.m. |
Created at: April 10, 2026, 1:55 a.m.