Triple

T1708799
Position Surface form Disambiguated ID Type / Status
Subject Stuttgart E36930 entity
Predicate isProjectSiteOf P7849 FINISHED
Object Stuttgart 21
Stuttgart 21 is a large and controversial German rail and urban development project that involves transforming Stuttgart’s main train station into an underground through-station and redesigning the surrounding city area.
E193560 NE FINISHED

How this triple was built (5 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: Stuttgart 21 | Statement: [Stuttgart, isProjectSiteOf, Stuttgart 21]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Stuttgart 21
Context triple: [Stuttgart, isProjectSiteOf, Stuttgart 21]
  • A. Stuttgart S-Bahn
    The Stuttgart S-Bahn is a rapid transit and commuter rail network serving Stuttgart and its surrounding region in the German state of Baden-Württemberg.
  • B. BahnTower
    BahnTower is a prominent high-rise office building in Berlin that serves as the headquarters of Deutsche Bahn and forms part of the modern Potsdamer Platz complex.
  • C. Nuremberg–Würzburg railway
    The Nuremberg–Würzburg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Würzburg and forms part of an important north–south and east–west rail corridor.
  • D. Ulm–Sigmaringen railway
    The Ulm–Sigmaringen railway is a regional rail line in the German state of Baden-Württemberg that connects the city of Ulm with Sigmaringen through the Swabian Jura.
  • E. 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.
  • 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: Stuttgart 21
Triple: [Stuttgart, isProjectSiteOf, Stuttgart 21]
Generated description
Stuttgart 21 is a large and controversial German rail and urban development project that involves transforming Stuttgart’s main train station into an underground through-station and redesigning the surrounding city area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Stuttgart 21
Target entity description: Stuttgart 21 is a large and controversial German rail and urban development project that involves transforming Stuttgart’s main train station into an underground through-station and redesigning the surrounding city area.
  • A. Stuttgart S-Bahn
    The Stuttgart S-Bahn is a rapid transit and commuter rail network serving Stuttgart and its surrounding region in the German state of Baden-Württemberg.
  • B. BahnTower
    BahnTower is a prominent high-rise office building in Berlin that serves as the headquarters of Deutsche Bahn and forms part of the modern Potsdamer Platz complex.
  • C. Nuremberg–Würzburg railway
    The Nuremberg–Würzburg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Würzburg and forms part of an important north–south and east–west rail corridor.
  • D. Ulm–Sigmaringen railway
    The Ulm–Sigmaringen railway is a regional rail line in the German state of Baden-Württemberg that connects the city of Ulm with Sigmaringen through the Swabian Jura.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isProjectSiteOf
Context triple: [Stuttgart, isProjectSiteOf, Stuttgart 21]
  • A. isSiteOf chosen
    Indicates that a location or place serves as the setting or host for a particular event, activity, or feature.
  • B. containsSite
    Indicates that one entity spatially or structurally includes another entity as a site or location within its bounds.
  • C. isSiteSpecific
    Indicates that something is designed, intended, or valid only for a particular location, context, or site and does not generally apply elsewhere.
  • D. typeOfSite
    Indicates the specific category or kind of site that an entity is classified as.
  • E. hasSisterSite
    Indicates that one site is formally associated with another as a sister site, typically implying a parallel or closely related counterpart.
  • F. None of above.

Provenance (6 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_69a88617439c819094ffb5d16a0f6307 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69ab75ad24408190814069e6e3ef9e59 completed March 7, 2026, 12:47 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad8ad849648190b2bb0e2a50cd6c75 completed March 8, 2026, 2:42 p.m.
NEDg Description generation batch_69ad957912808190be5b6ed8d3f20535 completed March 8, 2026, 3:27 p.m.
NED2 Entity disambiguation (via description) batch_69ad97accca48190bc43e94337589a5f completed March 8, 2026, 3:37 p.m.
PD Predicate disambiguation batch_69aa61bad17c8190861b92cfb423f68f completed March 6, 2026, 5:10 a.m.
Created at: March 4, 2026, 7:30 p.m.