Triple
T7998642
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alexanderplatz station |
E186189
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | U2 line |
E530777
|
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: U2 line | Statement: [Alexanderplatz station, servedBy, U2 line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U2 line Context triple: [Alexanderplatz station, servedBy, U2 line]
-
A.
U2 line
The U2 line is a rapid transit route of the Frankfurt U-Bahn network that connects central Frankfurt with several outlying districts.
-
B.
U2 War Tour
The U2 War Tour was the Irish rock band's 1982–1983 concert tour supporting their politically charged album "War," noted for its intense performances and socially conscious themes.
-
C.
U2 Studio
U2 Studio is the informal name for Windmill Lane Studios, a renowned Dublin recording studio closely associated with the band U2 and many other major artists.
-
D.
U2
U2 is one of the main rapid transit lines of the Nuremberg U-Bahn system in Nuremberg, Germany.
-
E.
U2
chosen
U2 is a major line of the Berlin U-Bahn rapid transit system, running east–west across the city and serving many central and historically significant stations.
- 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_69ca82aaaf24819084b94d18f699ba53 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb3c9a12788190a5607a538f4e07c1 |
completed | March 31, 2026, 3:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cbe114372c819086f06e184d5ebde2 |
completed | March 31, 2026, 2:58 p.m. |
Created at: March 30, 2026, 5:17 p.m.