Triple

T398883
Position Surface form Disambiguated ID Type / Status
Subject Pittsburgh, Cincinnati, Chicago and St. Louis Railroad E9234 entity
Predicate alsoKnownAs P39 FINISHED
Object Panhandle Route
The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
E55830 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: Panhandle Route | Statement: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, alsoKnownAs, Panhandle Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Panhandle Route
Context triple: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, alsoKnownAs, Panhandle Route]
  • A. Katy Trail
    Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
  • B. North Road
    North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
  • C. Old U.S. Route 40
    Old U.S. Route 40 is a historic transcontinental highway that once connected the U.S. East and West Coasts, serving as a major early 20th-century travel and commerce route across the country.
  • D. U.S. Route 50
    U.S. Route 50 is a major transcontinental U.S. highway running east–west across the country from the Atlantic coast in Maryland to California, passing through numerous states and key cities along the way.
  • E. U.S. Route 34
    U.S. Route 34 is a major east–west U.S. Highway running from Colorado through the Midwest to Illinois, serving as an important regional transportation corridor.
  • 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: Panhandle Route
Triple: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, alsoKnownAs, Panhandle Route]
Generated description
The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Panhandle Route
Target entity description: The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
  • A. Katy Trail
    Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
  • B. North Road
    North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
  • C. Old U.S. Route 40
    Old U.S. Route 40 is a historic transcontinental highway that once connected the U.S. East and West Coasts, serving as a major early 20th-century travel and commerce route across the country.
  • D. U.S. Route 50
    U.S. Route 50 is a major transcontinental U.S. highway running east–west across the country from the Atlantic coast in Maryland to California, passing through numerous states and key cities along the way.
  • E. U.S. Route 34
    U.S. Route 34 is a major east–west U.S. Highway running from Colorado through the Midwest to Illinois, serving as an important regional transportation corridor.
  • 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_69a2e8004cb88190b92ed1add6abf41a completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ec8d0ca881909d786e8eed9b6748 completed Feb. 28, 2026, 1:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69a43e6cf1048190abf3f13ba35a3980 completed March 1, 2026, 1:26 p.m.
NEDg Description generation batch_69a43f00f8308190bd3534d3c3fde4cf completed March 1, 2026, 1:28 p.m.
NED2 Entity disambiguation (via description) batch_69a440e991408190a2b26a552fec32a8 completed March 1, 2026, 1:36 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.