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.