Triple

T12454592
Position Surface form Disambiguated ID Type / Status
Subject Frankfurt Konstablerwache station E297624 entity
Predicate servedByLine P1293 FINISHED
Object Frankfurt U-Bahn line U5
Frankfurt U-Bahn line U5 is a light rail line of the Frankfurt am Main underground network that connects the city center with northern districts such as Preungesheim.
E301853 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 U-Bahn line U5 | Statement: [Frankfurt Konstablerwache station, servedByLine, Frankfurt U-Bahn line U5]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Frankfurt U-Bahn line U5
Context triple: [Frankfurt Konstablerwache station, servedByLine, Frankfurt U-Bahn line U5]
  • A. 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.
  • B. Berlin U-Bahn line U5
    Berlin U-Bahn line U5 is a major underground metro line in Berlin that runs east–west across the city, connecting central hubs like Alexanderplatz and Brandenburger Tor with eastern districts such as Lichtenberg and Hönow.
  • C. Nuremberg U-Bahn
    The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
  • D. Hamburg U-Bahn line U1
    Hamburg U-Bahn line U1 is a major rapid transit line in Hamburg’s underground network, running from the city center through several northern and northeastern districts to suburban areas.
  • E. Berlin U-Bahn line U6
    Berlin U-Bahn line U6 is a major north–south underground metro line in Berlin that connects the northern district of Tegel with southern neighborhoods through the city center.
  • 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 U-Bahn line U5
Triple: [Frankfurt Konstablerwache station, servedByLine, Frankfurt U-Bahn line U5]
Generated description
Frankfurt U-Bahn line U5 is a light rail line of the Frankfurt am Main underground network that connects the city center with northern districts such as Preungesheim.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Frankfurt U-Bahn line U5
Target entity description: Frankfurt U-Bahn line U5 is a light rail line of the Frankfurt am Main underground network that connects the city center with northern districts such as Preungesheim.
  • A. Frankfurt U-Bahn chosen
    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.
  • B. Berlin U-Bahn line U5
    Berlin U-Bahn line U5 is a major underground metro line in Berlin that runs east–west across the city, connecting central hubs like Alexanderplatz and Brandenburger Tor with eastern districts such as Lichtenberg and Hönow.
  • C. Nuremberg U-Bahn
    The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
  • D. Hamburg U-Bahn line U1
    Hamburg U-Bahn line U1 is a major rapid transit line in Hamburg’s underground network, running from the city center through several northern and northeastern districts to suburban areas.
  • E. Berlin U-Bahn line U6
    Berlin U-Bahn line U6 is a major north–south underground metro line in Berlin that connects the northern district of Tegel with southern neighborhoods through the city center.
  • F. None of above.

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_69d6ada166c48190b902972cd2408fa3 completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94da0b5988190b9df26dd3bb87337 completed April 10, 2026, 7:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6a535943081909f893b2be006cc28 completed May 3, 2026, 1:30 a.m.
NEDg Description generation batch_69f6a724e414819081c95b0d4ac0da25 completed May 3, 2026, 1:38 a.m.
NED2 Entity disambiguation (via description) batch_69f6a7def4bc8190836ad781a4a28456 completed May 3, 2026, 1:41 a.m.
Created at: April 8, 2026, 9:56 p.m.