Triple

T2121476
Position Surface form Disambiguated ID Type / Status
Subject CTrail Hartford Line E43932 entity
Predicate usesStation P726 FINISHED
Object Berlin station
Berlin station is a passenger rail station in Berlin, Connecticut, serving Amtrak and CTrail Hartford Line trains.
 E237744 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: Berlin station | Statement: [CTrail Hartford Line, usesStation, Berlin station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Berlin station
Context triple: [CTrail Hartford Line, usesStation, Berlin station]
  • A. Berlin Hauptbahnhof
    Berlin Hauptbahnhof is the main railway station in Berlin and one of Europe’s largest and most important rail hubs, serving extensive regional, national, and international connections.
  • B. Berlin Ostbahnhof
    Berlin Ostbahnhof is one of Berlin’s main railway hubs, serving long-distance, regional, and S-Bahn trains in the eastern part of the city.
  • C. Bern Hauptbahnhof
    Bern Hauptbahnhof is the main railway station in Switzerland’s capital city, serving as a major national and international transport hub.
  • D. Berlin Friedrichstraße station
    Berlin Friedrichstraße station is a central railway hub in Berlin that serves as a key interchange for S-Bahn, regional, and long-distance trains, historically known for its role as a border crossing during the division of the city.
  • E. Berlin Südkreuz
    Berlin Südkreuz is a major railway interchange in southern Berlin that serves as a key hub for S-Bahn, regional, and long-distance train services.
  • 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: Berlin station
Triple: [CTrail Hartford Line, usesStation, Berlin station]
Generated description
Berlin station is a passenger rail station in Berlin, Connecticut, serving Amtrak and CTrail Hartford Line trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Berlin station
Target entity description: Berlin station is a passenger rail station in Berlin, Connecticut, serving Amtrak and CTrail Hartford Line trains.
  • A. Berlin Hauptbahnhof
    Berlin Hauptbahnhof is the main railway station in Berlin and one of Europe’s largest and most important rail hubs, serving extensive regional, national, and international connections.
  • B. Berlin Ostbahnhof
    Berlin Ostbahnhof is one of Berlin’s main railway hubs, serving long-distance, regional, and S-Bahn trains in the eastern part of the city.
  • C. Bern Hauptbahnhof
    Bern Hauptbahnhof is the main railway station in Switzerland’s capital city, serving as a major national and international transport hub.
  • D. Berlin Friedrichstraße station
    Berlin Friedrichstraße station is a central railway hub in Berlin that serves as a key interchange for S-Bahn, regional, and long-distance trains, historically known for its role as a border crossing during the division of the city.
  • E. Berlin Südkreuz
    Berlin Südkreuz is a major railway interchange in southern Berlin that serves as a key hub for S-Bahn, regional, and long-distance train services.
  • 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_69a88717cfe48190b7ecdd68c824848a completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abbb51e8088190a1aeafee4e8dff63 completed March 7, 2026, 5:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae5197259c8190bffbbb4abaaddfd0 completed March 9, 2026, 4:50 a.m.
NEDg Description generation batch_69ae532d39d8819097ae5826b42f92b2 completed March 9, 2026, 4:57 a.m.
NED2 Entity disambiguation (via description) batch_69ae539f7f008190b5f9d15fb3d362d9 completed March 9, 2026, 4:59 a.m.
Created at: March 4, 2026, 7:44 p.m.