Triple
T12917527
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | U7 line (Frankfurt U-Bahn) |
E309024
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
Frankfurt Hauptbahnhof (U-Bahn) station
Frankfurt Hauptbahnhof (U-Bahn) station is a major underground rapid transit hub in Frankfurt am Main that connects multiple U-Bahn lines with the city’s central railway station.
|
E1024881
|
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: Frankfurt Hauptbahnhof (U-Bahn) station | Statement: [U7 line (Frankfurt U-Bahn), servesStation, Frankfurt Hauptbahnhof (U-Bahn) station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Frankfurt Hauptbahnhof (U-Bahn) station Context triple: [U7 line (Frankfurt U-Bahn), servesStation, Frankfurt Hauptbahnhof (U-Bahn) station]
-
A.
Frankfurt Taunusanlage station
Frankfurt Taunusanlage station is an underground S-Bahn station in central Frankfurt am Main, serving the financial district and providing key regional rail connections.
-
B.
Frankfurt Dom/Römer station
Frankfurt Dom/Römer station is a central underground transit stop in Frankfurt’s historic old town, serving as a key access point to major landmarks like the cathedral (Dom) and Römer city hall.
-
C.
Frankfurt Südbahnhof
Frankfurt Südbahnhof is a major railway and S-Bahn station in Frankfurt am Main that serves as an important southern transport hub for both regional and local connections.
-
D.
Frankfurt Eschenheimer Tor station
Frankfurt Eschenheimer Tor station is an underground rapid transit station in central Frankfurt am Main, Germany, serving several U-Bahn lines near the historic Eschenheimer Tor.
-
E.
Frankfurt Hauptwache station
Frankfurt Hauptwache station is a major central transport hub in Frankfurt am Main, Germany, serving numerous S-Bahn and U-Bahn lines as well as regional and local services.
- 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: Frankfurt Hauptbahnhof (U-Bahn) station Triple: [U7 line (Frankfurt U-Bahn), servesStation, Frankfurt Hauptbahnhof (U-Bahn) station]
Generated description
Frankfurt Hauptbahnhof (U-Bahn) station is a major underground rapid transit hub in Frankfurt am Main that connects multiple U-Bahn lines with the city’s central railway station.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Frankfurt Hauptbahnhof (U-Bahn) station Target entity description: Frankfurt Hauptbahnhof (U-Bahn) station is a major underground rapid transit hub in Frankfurt am Main that connects multiple U-Bahn lines with the city’s central railway station.
-
A.
Frankfurt Taunusanlage station
Frankfurt Taunusanlage station is an underground S-Bahn station in central Frankfurt am Main, serving the financial district and providing key regional rail connections.
-
B.
Frankfurt Dom/Römer station
Frankfurt Dom/Römer station is a central underground transit stop in Frankfurt’s historic old town, serving as a key access point to major landmarks like the cathedral (Dom) and Römer city hall.
-
C.
Frankfurt Südbahnhof
Frankfurt Südbahnhof is a major railway and S-Bahn station in Frankfurt am Main that serves as an important southern transport hub for both regional and local connections.
-
D.
Frankfurt Eschenheimer Tor station
Frankfurt Eschenheimer Tor station is an underground rapid transit station in central Frankfurt am Main, Germany, serving several U-Bahn lines near the historic Eschenheimer Tor.
-
E.
Frankfurt Hauptwache station
Frankfurt Hauptwache station is a major central transport hub in Frankfurt am Main, Germany, serving numerous S-Bahn and U-Bahn lines as well as regional and local services.
- 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_69d7bdf92b588190acdf2a2291ac4590 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d971a1e8088190af697629baecf59f |
completed | April 10, 2026, 9:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6eacc2f808190bcc6817b7ce82750 |
completed | May 3, 2026, 6:27 a.m. |
| NEDg | Description generation | batch_69f6f0abf3b88190b7d7731c1cf9346b |
completed | May 3, 2026, 6:52 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6f1028fbc8190bd27fd339a04e4a0 |
completed | May 3, 2026, 6:53 a.m. |
Created at: April 9, 2026, 5:41 p.m.