Triple

T4773315
Position Surface form Disambiguated ID Type / Status
Subject Duquesne Incline E105983 entity
Predicate hasTerminus P388 FINISHED
Object Upper Station
Upper Station is the hilltop terminal of Pittsburgh’s historic Duquesne Incline funicular, serving as its upper boarding and observation point.
E472972 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: Upper Station | Statement: [Duquesne Incline, hasTerminus, Upper Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Upper Station
Context triple: [Duquesne Incline, hasTerminus, Upper Station]
  • A. Central Station
    Central Station is a key light rail stop on the METRO Green Line serving as an important transit hub in its area.
  • B. Central Station
    Central Station is a 1998 Brazilian drama film by Walter Salles that follows the emotional journey of a retired schoolteacher and a young boy traveling across Brazil in search of his father.
  • C. Lower Station
    Lower Station is the riverside terminal of Pittsburgh’s historic Duquesne Incline funicular, serving as the boarding point near the base of Mount Washington.
  • D. The Station
    The Station is a painting by British artist L. S. Lowry, known for its distinctive depiction of industrial urban life with stylized figures and stark architectural forms.
  • E. Terminal B Station
    Terminal B Station is an AirTrain Newark stop serving passengers traveling to and from Terminal B at Newark Liberty International Airport.
  • 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: Upper Station
Triple: [Duquesne Incline, hasTerminus, Upper Station]
Generated description
Upper Station is the hilltop terminal of Pittsburgh’s historic Duquesne Incline funicular, serving as its upper boarding and observation point.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Upper Station
Target entity description: Upper Station is the hilltop terminal of Pittsburgh’s historic Duquesne Incline funicular, serving as its upper boarding and observation point.
  • A. Central Station
    Central Station is a key light rail stop on the METRO Green Line serving as an important transit hub in its area.
  • B. Central Station
    Central Station is a 1998 Brazilian drama film by Walter Salles that follows the emotional journey of a retired schoolteacher and a young boy traveling across Brazil in search of his father.
  • C. Lower Station
    Lower Station is the riverside terminal of Pittsburgh’s historic Duquesne Incline funicular, serving as the boarding point near the base of Mount Washington.
  • D. The Station
    The Station is a painting by British artist L. S. Lowry, known for its distinctive depiction of industrial urban life with stylized figures and stark architectural forms.
  • E. Terminal B Station
    Terminal B Station is an AirTrain Newark stop serving passengers traveling to and from Terminal B at Newark Liberty International Airport.
  • 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_69bd43f3074c8190937e7b0a457fe9f1 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6560b3448190a0debbd8da29d986 completed March 20, 2026, 3:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69be4d8e724c8190bfca713d5d022be6 completed March 21, 2026, 7:49 a.m.
NEDg Description generation batch_69be516836ec8190b5ee3829945ffc06 completed March 21, 2026, 8:06 a.m.
NED2 Entity disambiguation (via description) batch_69be52cd7aa481908963eb1ec2683a76 completed March 21, 2026, 8:11 a.m.
Created at: March 20, 2026, 1:21 p.m.