Triple

T292809
Position Surface form Disambiguated ID Type / Status
Subject Hartford, Connecticut, United States E6029 entity
Predicate servedByRailwayStation P918 FINISHED
Object Hartford Union Station
Hartford Union Station is the primary historic rail and bus transportation hub in downtown Hartford, Connecticut, serving Amtrak, CTrail, and regional transit services.
E53965 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: Hartford Union Station | Statement: [Hartford, Connecticut, United States, servedByRailwayStation, Hartford Union Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hartford Union Station
Context triple: [Hartford, Connecticut, United States, servedByRailwayStation, Hartford Union Station]
  • A. South Station
    South Station is Boston’s major intercity rail and bus terminal and a key MBTA subway hub in the city’s downtown.
  • B. North Station
    North Station is a major transportation hub in Boston, Massachusetts, serving as a key commuter rail, subway, and intercity bus terminal integrated with the TD Garden arena.
  • C. Hynes Convention Center station
    Hynes Convention Center station is an underground MBTA Green Line stop in Boston’s Back Bay neighborhood that serves the adjacent Hynes Convention Center and nearby commercial and residential areas.
  • D. Wellington Station (MBTA)
    Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
  • E. Brunswick station
    Brunswick station is a passenger rail station in Brunswick, Maryland, serving as the western endpoint of MARC's Brunswick Line commuter service.
  • 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: Hartford Union Station
Triple: [Hartford, Connecticut, United States, servedByRailwayStation, Hartford Union Station]
Generated description
Hartford Union Station is the primary historic rail and bus transportation hub in downtown Hartford, Connecticut, serving Amtrak, CTrail, and regional transit services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hartford Union Station
Target entity description: Hartford Union Station is the primary historic rail and bus transportation hub in downtown Hartford, Connecticut, serving Amtrak, CTrail, and regional transit services.
  • A. South Station
    South Station is Boston’s major intercity rail and bus terminal and a key MBTA subway hub in the city’s downtown.
  • B. North Station
    North Station is a major transportation hub in Boston, Massachusetts, serving as a key commuter rail, subway, and intercity bus terminal integrated with the TD Garden arena.
  • C. Hynes Convention Center station
    Hynes Convention Center station is an underground MBTA Green Line stop in Boston’s Back Bay neighborhood that serves the adjacent Hynes Convention Center and nearby commercial and residential areas.
  • D. Wellington Station (MBTA)
    Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
  • E. Brunswick station
    Brunswick station is a passenger rail station in Brunswick, Maryland, serving as the western endpoint of MARC's Brunswick Line commuter service.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: servedByRailwayStation
Context triple: [Hartford, Connecticut, United States, servedByRailwayStation, Hartford Union Station]
  • A. hasRailwayStation chosen
    Indicates that a place or location is served by, or contains, a railway station.
  • B. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • C. servedByRailroad
    Indicates that a location or facility is provided with transportation or service by a railroad line or company.
  • D. stationName
    Indicates the name assigned to a particular station in the relationship.
  • E. hasBusStation
    Indicates that a place or area contains or is served by a bus station.
  • 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_69a2e79114b081909490b3bf5a5dbb51 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2ea0dd1dc8190aecd5afdeb2fd74b completed Feb. 28, 2026, 1:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69a42f5eac748190aab0861ddbb947f5 completed March 1, 2026, 12:21 p.m.
NEDg Description generation batch_69a42ff73ad481909fc6b0e60573dadb completed March 1, 2026, 12:24 p.m.
NED2 Entity disambiguation (via description) batch_69a430a01b9c8190aac53ab518f31784 completed March 1, 2026, 12:27 p.m.
PD Predicate disambiguation batch_69a2e934b4408190b53a17f57a02df65 completed Feb. 28, 2026, 1:10 p.m.
Created at: Feb. 28, 2026, 1:06 p.m.