Triple

T17725991
Position Surface form Disambiguated ID Type / Status
Subject Frankfurt Alte Oper U-Bahn station E442461 entity
Predicate adjacentTo P224 FINISHED
Object Hauptwache U-Bahn station
Hauptwache U-Bahn station is one of Frankfurt's central and busiest underground transit hubs, serving as a major interchange point for multiple subway and suburban rail lines in the city center.
E1284181 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: Hauptwache U-Bahn station | Statement: [Frankfurt Alte Oper U-Bahn station, adjacentTo, Hauptwache U-Bahn station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hauptwache U-Bahn station
Context triple: [Frankfurt Alte Oper U-Bahn station, adjacentTo, Hauptwache U-Bahn station]
  • A. Stadtmitte U-Bahn station
    Stadtmitte U-Bahn station is a central Berlin underground station serving key lines in the city’s core shopping and historic district near Gendarmenmarkt.
  • B. S-Bahn-Station Konstablerwache
    S-Bahn-Station Konstablerwache is a major urban rail and transit hub in central Frankfurt am Main, serving multiple S-Bahn, U-Bahn, and tram lines as one of the city’s busiest interchange stations.
  • C. Schönhauser Allee station
    Schönhauser Allee station is a major Berlin U-Bahn and S-Bahn interchange in the Prenzlauer Berg district, serving as an important hub for both local and ring line services.
  • D. Überseequartier U-Bahn station
    Überseequartier U-Bahn station is an underground metro stop on Hamburg’s U4 line serving the modern HafenCity waterfront district.
  • E. Plärrer U-Bahn station
    Plärrer U-Bahn station is a major underground transit hub in Nuremberg, Germany, where several metro lines intersect near the historic Plärrer square.
  • 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: Hauptwache U-Bahn station
Triple: [Frankfurt Alte Oper U-Bahn station, adjacentTo, Hauptwache U-Bahn station]
Generated description
Hauptwache U-Bahn station is one of Frankfurt's central and busiest underground transit hubs, serving as a major interchange point for multiple subway and suburban rail lines in the city center.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hauptwache U-Bahn station
Target entity description: Hauptwache U-Bahn station is one of Frankfurt's central and busiest underground transit hubs, serving as a major interchange point for multiple subway and suburban rail lines in the city center.
  • A. Stadtmitte U-Bahn station
    Stadtmitte U-Bahn station is a central Berlin underground station serving key lines in the city’s core shopping and historic district near Gendarmenmarkt.
  • B. S-Bahn-Station Konstablerwache
    S-Bahn-Station Konstablerwache is a major urban rail and transit hub in central Frankfurt am Main, serving multiple S-Bahn, U-Bahn, and tram lines as one of the city’s busiest interchange stations.
  • C. Schönhauser Allee station
    Schönhauser Allee station is a major Berlin U-Bahn and S-Bahn interchange in the Prenzlauer Berg district, serving as an important hub for both local and ring line services.
  • D. Überseequartier U-Bahn station
    Überseequartier U-Bahn station is an underground metro stop on Hamburg’s U4 line serving the modern HafenCity waterfront district.
  • E. Plärrer U-Bahn station
    Plärrer U-Bahn station is a major underground transit hub in Nuremberg, Germany, where several metro lines intersect near the historic Plärrer square.
  • 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_69d8b9ec79688190b86bdcef85a7b3aa completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e478e25a80819096289fba4ecb227f completed April 19, 2026, 6:40 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0230324c0881909ba7b299f16b5602 completed May 11, 2026, 7:38 p.m.
NEDg Description generation batch_6a0231f02cf48190ac513a7d218aca3b completed May 11, 2026, 7:45 p.m.
NED2 Entity disambiguation (via description) batch_6a0233cfe9388190a7786d88a432aa1f completed May 11, 2026, 7:53 p.m.
Created at: April 10, 2026, 10:07 a.m.