Triple
T12639445
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Frankfurt U-Bahn |
E301853
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
U2
U2 is one of the main rapid transit lines of the Frankfurt U-Bahn system in Frankfurt, Germany.
|
E994489
|
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: U2 | Statement: [Frankfurt U-Bahn, hasLine, U2]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U2 Context triple: [Frankfurt U-Bahn, hasLine, U2]
-
A.
U2
U2 is an Irish rock band formed in Dublin in 1976, renowned for its anthemic sound, socially conscious lyrics, and global influence on popular music.
-
B.
U2
U2 is one of the main rapid transit lines of the Nuremberg U-Bahn system in Nuremberg, Germany.
-
C.
U2
U2 is the IATA airline code for easyJet, a major low-cost airline based in the United Kingdom.
-
D.
U2
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.
-
E.
U2
U2 is one of the main lines of the Munich U-Bahn rapid transit system, connecting key districts across the city.
- 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: U2 Triple: [Frankfurt U-Bahn, hasLine, U2]
Generated description
U2 is one of the main rapid transit lines of the Frankfurt U-Bahn system in Frankfurt, Germany.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: U2 Target entity description: U2 is one of the main rapid transit lines of the Frankfurt U-Bahn system in Frankfurt, Germany.
-
A.
U2
U2 is one of the main rapid transit lines of the Nuremberg U-Bahn system in Nuremberg, Germany.
-
B.
U2
U2 is a light rail line of the Stuttgart Stadtbahn public transit network in Stuttgart, Germany.
-
C.
U2
U2 is one of the main lines of the Munich U-Bahn rapid transit system, connecting key districts across the city.
-
D.
U2
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.
-
E.
U2
U2 is the IATA airline code for easyJet, a major low-cost airline based in the United Kingdom.
- 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_69d7bdec9f9c8190b4bac675b7588211 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d961499de08190bdba66ca40b021be |
completed | April 10, 2026, 8:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f668754acc8190b5585dbd35387867 |
completed | May 2, 2026, 9:11 p.m. |
| NEDg | Description generation | batch_69f6697d8ac88190b4ead9ce47f3a705 |
completed | May 2, 2026, 9:15 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f66a2fa350819091f12e16d59c2278 |
completed | May 2, 2026, 9:18 p.m. |
Created at: April 9, 2026, 5:16 p.m.