Triple

T10950820
Position Surface form Disambiguated ID Type / Status
Subject Niendorf E258720 entity
Predicate hasPublicTransportConnection P3791 FINISHED
Object Hamburg U-Bahn line U2
Hamburg U-Bahn line U2 is a major rapid transit line in Hamburg’s underground network, running across the city to connect central districts with outlying residential areas such as Niendorf.
E896601 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: Hamburg U-Bahn line U2 | Statement: [Niendorf, hasPublicTransportConnection, Hamburg U-Bahn line U2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hamburg U-Bahn line U2
Context triple: [Niendorf, hasPublicTransportConnection, Hamburg U-Bahn line U2]
  • A. 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.
  • B. Hamburg U-Bahn line U3
    Hamburg U-Bahn line U3 is a historic circular metro line that runs largely above ground, offering key transit service and scenic views through central and harbor areas of Hamburg.
  • C. Berlin U-Bahn line U2
    Berlin U-Bahn line U2 is one of the main metro lines in Berlin, running east–west across the city and connecting key central districts and landmarks.
  • D. 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.
  • E. Berlin U-Bahn line U4
    Berlin U-Bahn line U4 is one of the shortest and oldest lines in Berlin’s subway network, running entirely within the Schöneberg district and connecting a small number of central stations.
  • 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: Hamburg U-Bahn line U2
Triple: [Niendorf, hasPublicTransportConnection, Hamburg U-Bahn line U2]
Generated description
Hamburg U-Bahn line U2 is a major rapid transit line in Hamburg’s underground network, running across the city to connect central districts with outlying residential areas such as Niendorf.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hamburg U-Bahn line U2
Target entity description: Hamburg U-Bahn line U2 is a major rapid transit line in Hamburg’s underground network, running across the city to connect central districts with outlying residential areas such as Niendorf.
  • A. 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.
  • B. Hamburg U-Bahn line U3
    Hamburg U-Bahn line U3 is a historic circular metro line that runs largely above ground, offering key transit service and scenic views through central and harbor areas of Hamburg.
  • C. Berlin U-Bahn line U2
    Berlin U-Bahn line U2 is one of the main metro lines in Berlin, running east–west across the city and connecting key central districts and landmarks.
  • D. 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.
  • E. Berlin U-Bahn line U4
    Berlin U-Bahn line U4 is one of the shortest and oldest lines in Berlin’s subway network, running entirely within the Schöneberg district and connecting a small number of central stations.
  • 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_69d6aa88500c819097d7032ca578e74f completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d770fc156c8190826e124c13ce7242 completed April 9, 2026, 9:27 a.m.
NED1 Entity disambiguation (via context triple) batch_69e2d733f7d88190b45df5c155ff5a46 completed April 18, 2026, 12:58 a.m.
NEDg Description generation batch_69e2ff1ddd2c8190b31f5007f7492a4e completed April 18, 2026, 3:48 a.m.
NED2 Entity disambiguation (via description) batch_69e3260494bc81909e3dd4829697fb72 completed April 18, 2026, 6:34 a.m.
Created at: April 8, 2026, 9:23 p.m.