Triple
T12454451
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | S1 line |
E297619
|
entity |
| Predicate | usesTrack |
P27244
|
FINISHED |
| Object | City Tunnel Frankfurt |
E983703
|
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: City Tunnel Frankfurt | Statement: [S1 line, usesTrack, City Tunnel Frankfurt]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City Tunnel Frankfurt Context triple: [S1 line, usesTrack, City Tunnel Frankfurt]
-
A.
City-Tunnel Frankfurt
chosen
City-Tunnel Frankfurt is an underground railway tunnel in Frankfurt am Main that carries suburban S-Bahn trains through the city center, improving regional transit connectivity.
-
B.
Leipzig City Tunnel
Leipzig City Tunnel is an underground railway link in Leipzig, Germany, that connects the main station with southern lines to create a central S-Bahn cross-city route.
-
C.
Tiergarten tunnel
The Tiergarten tunnel is a major road and rail tunnel in central Berlin that carries traffic beneath the Tiergarten park, helping to connect key parts of the city’s transport network.
-
D.
Berlin S-Bahn Nord-Süd-Tunnel
The Berlin S-Bahn Nord-Süd-Tunnel is a central underground railway tunnel in Berlin that carries multiple S-Bahn lines beneath the city’s core, connecting northern and southern suburban routes.
-
E.
Elbe Tunnel (Hamburg)
The Elbe Tunnel in Hamburg is a major underwater road tunnel beneath the River Elbe that forms a key traffic artery connecting the northern and southern parts of the city.
- 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_69d6ada166c48190b902972cd2408fa3 |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94da0b5988190b9df26dd3bb87337 |
completed | April 10, 2026, 7:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6556839908190ac0401d373ad0fa9 |
completed | May 2, 2026, 7:50 p.m. |
Created at: April 8, 2026, 9:56 p.m.