Triple

T779184
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (CTA) E16457 entity
Predicate formerName P65 FINISHED
Object West-Northwest Route
West-Northwest Route was the former name of a Chicago Transit Authority rapid transit line that is now part of the Blue Line.
E91999 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: West-Northwest Route | Statement: [Blue Line (CTA), formerName, West-Northwest Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West-Northwest Route
Context triple: [Blue Line (CTA), formerName, West-Northwest Route]
  • A. 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.
  • B. Applegate–Lassen Route
    The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
  • C. Westside Trail
    Westside Trail is a multi-use path and greenway in Atlanta that forms part of the Atlanta BeltLine, connecting neighborhoods on the city’s west side with parks, transit, and public art.
  • D. Northside Trail
    Northside Trail is a popular multi-use path in Atlanta that winds through wooded areas and connects neighborhoods as part of the larger Atlanta BeltLine trail network.
  • E. Cesen Route
    The Cesen Route is a classic alpine climbing line on K2, known for its relatively direct but still highly demanding ascent on the mountain’s southeastern side.
  • 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: West-Northwest Route
Triple: [Blue Line (CTA), formerName, West-Northwest Route]
Generated description
West-Northwest Route was the former name of a Chicago Transit Authority rapid transit line that is now part of the Blue Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West-Northwest Route
Target entity description: West-Northwest Route was the former name of a Chicago Transit Authority rapid transit line that is now part of the Blue Line.
  • A. 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.
  • B. Applegate–Lassen Route
    The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
  • C. Westside Trail
    Westside Trail is a multi-use path and greenway in Atlanta that forms part of the Atlanta BeltLine, connecting neighborhoods on the city’s west side with parks, transit, and public art.
  • D. Northside Trail
    Northside Trail is a popular multi-use path in Atlanta that winds through wooded areas and connects neighborhoods as part of the larger Atlanta BeltLine trail network.
  • E. Cesen Route
    The Cesen Route is a classic alpine climbing line on K2, known for its relatively direct but still highly demanding ascent on the mountain’s southeastern side.
  • 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_69a4936ad1fc81908f190208059ccf78 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a74f886081909c27b786e3adbe32 completed March 1, 2026, 8:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69a66d9dd9b48190ba7fae75db01c114 completed March 3, 2026, 5:11 a.m.
NEDg Description generation batch_69a66f03f1e88190a2a7cdbe57f57bc2 completed March 3, 2026, 5:17 a.m.
NED2 Entity disambiguation (via description) batch_69a66fa5123c819085ee7cef0c7013c9 completed March 3, 2026, 5:20 a.m.
Created at: March 1, 2026, 7:37 p.m.