Triple

T17861205
Position Surface form Disambiguated ID Type / Status
Subject Berger Straße E446074 entity
Predicate hasPublicTransport P1288 FINISHED
Object U4 line of Frankfurt U-Bahn
The U4 line of the Frankfurt U-Bahn is an urban rapid transit route in Frankfurt am Main that connects several central districts and key destinations across the city.
E1292702 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: U4 line of Frankfurt U-Bahn | Statement: [Berger Straße, hasPublicTransport, U4 line of Frankfurt U-Bahn]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: U4 line of Frankfurt U-Bahn
Context triple: [Berger Straße, hasPublicTransport, U4 line of Frankfurt U-Bahn]
  • A. Line U7 of the Frankfurt U-Bahn
    Line U7 of the Frankfurt U-Bahn is a rapid transit route in Frankfurt am Main that connects several key districts and landmarks across the city.
  • B. U4 line
    The U4 line is one of Berlin's U-Bahn subway lines, running a short route in the inner city and connecting key stations including Nollendorfplatz.
  • C. U-Bahn line U1
    U-Bahn line U1 is one of Berlin’s oldest and most central underground lines, running mainly east–west and connecting key inner-city districts including Friedrichshain and Kreuzberg.
  • D. Frankfurt U-Bahn
    The Frankfurt U-Bahn is the rapid transit system serving Frankfurt am Main, Germany, forming a core part of the city's public transportation network with multiple underground and surface lines.
  • E. U5 line
    The U5 line is a major Berlin U-Bahn route running east–west that connects central hubs like Alexanderplatz with eastern districts of 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: U4 line of Frankfurt U-Bahn
Triple: [Berger Straße, hasPublicTransport, U4 line of Frankfurt U-Bahn]
Generated description
The U4 line of the Frankfurt U-Bahn is an urban rapid transit route in Frankfurt am Main that connects several central districts and key destinations across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: U4 line of Frankfurt U-Bahn
Target entity description: The U4 line of the Frankfurt U-Bahn is an urban rapid transit route in Frankfurt am Main that connects several central districts and key destinations across the city.
  • A. Line U7 of the Frankfurt U-Bahn
    Line U7 of the Frankfurt U-Bahn is a rapid transit route in Frankfurt am Main that connects several key districts and landmarks across the city.
  • B. U4 line
    The U4 line is one of Berlin's U-Bahn subway lines, running a short route in the inner city and connecting key stations including Nollendorfplatz.
  • C. U-Bahn line U1
    U-Bahn line U1 is one of Berlin’s oldest and most central underground lines, running mainly east–west and connecting key inner-city districts including Friedrichshain and Kreuzberg.
  • D. Frankfurt U-Bahn
    The Frankfurt U-Bahn is the rapid transit system serving Frankfurt am Main, Germany, forming a core part of the city's public transportation network with multiple underground and surface lines.
  • E. U5 line
    The U5 line is a major Berlin U-Bahn route running east–west that connects central hubs like Alexanderplatz with eastern districts of the city.
  • 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_69d8b9f26f18819089c9e43250bee6ae completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e4979013dc8190beb7718f0ba92bc3 completed April 19, 2026, 8:51 a.m.
NED1 Entity disambiguation (via context triple) batch_6a030c663f88819088c3c7e40e905156 completed May 12, 2026, 11:17 a.m.
NEDg Description generation batch_6a030e9b5dcc81908ef4fd02bd8e6749 completed May 12, 2026, 11:27 a.m.
NED2 Entity disambiguation (via description) batch_6a030ef815888190a1cdbea7f79d9be5 completed May 12, 2026, 11:28 a.m.
Created at: April 10, 2026, 10:17 a.m.