Triple

T4099628
Position Surface form Disambiguated ID Type / Status
Subject Edmonton LRT E87907 entity
Predicate hasLine P35 FINISHED
Object Capital Line South Extension (under construction)
The Capital Line South Extension (under construction) is a planned southern expansion of Edmonton’s light rail transit network intended to improve rapid transit access to growing suburban communities.
E412795 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: Capital Line South Extension (under construction) | Statement: [Edmonton LRT, hasLine, Capital Line South Extension (under construction)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Capital Line South Extension (under construction)
Context triple: [Edmonton LRT, hasLine, Capital Line South Extension (under construction)]
  • A. Red Line Northwest Extension corridor
    The Red Line Northwest Extension corridor is a planned expansion route of Boston's MBTA Red Line intended to extend rapid transit service northwest from its current terminus.
  • B. Green Line Extension
    The Green Line Extension is a Massachusetts Bay Transportation Authority light rail project that extends Boston’s Green Line service into previously unserved neighborhoods in Somerville and Medford.
  • C. Green Line southern extension
    The Green Line southern extension is a Washington Metro expansion project that extended the Green Line further into the suburbs of Prince George's County, Maryland, adding several new stations beyond its previous terminus.
  • D. Eastside Extension corridor
    The Eastside Extension corridor is a light rail transit corridor in East Los Angeles that carries Metro Rail service between downtown Los Angeles and several predominantly Latino eastside communities.
  • E. Metro L Line (under construction or reconfiguration)
    The Metro L Line is a light rail line in Los Angeles County’s Metro Rail system that is currently being reconfigured as part of a broader network restructuring and expansion.
  • 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: Capital Line South Extension (under construction)
Triple: [Edmonton LRT, hasLine, Capital Line South Extension (under construction)]
Generated description
The Capital Line South Extension (under construction) is a planned southern expansion of Edmonton’s light rail transit network intended to improve rapid transit access to growing suburban communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Capital Line South Extension (under construction)
Target entity description: The Capital Line South Extension (under construction) is a planned southern expansion of Edmonton’s light rail transit network intended to improve rapid transit access to growing suburban communities.
  • A. Red Line Northwest Extension corridor
    The Red Line Northwest Extension corridor is a planned expansion route of Boston's MBTA Red Line intended to extend rapid transit service northwest from its current terminus.
  • B. Green Line Extension
    The Green Line Extension is a Massachusetts Bay Transportation Authority light rail project that extends Boston’s Green Line service into previously unserved neighborhoods in Somerville and Medford.
  • C. Green Line southern extension
    The Green Line southern extension is a Washington Metro expansion project that extended the Green Line further into the suburbs of Prince George's County, Maryland, adding several new stations beyond its previous terminus.
  • D. Eastside Extension corridor
    The Eastside Extension corridor is a light rail transit corridor in East Los Angeles that carries Metro Rail service between downtown Los Angeles and several predominantly Latino eastside communities.
  • E. Metro L Line (under construction or reconfiguration)
    The Metro L Line is a light rail line in Los Angeles County’s Metro Rail system that is currently being reconfigured as part of a broader network restructuring and expansion.
  • 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_69aed94564cc8190a9c1457daedb6e7f completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefd0d9c508190b8aedf83f3310513 completed March 9, 2026, 5:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69b56b7585bc81909dc2c02e60a55def completed March 14, 2026, 2:06 p.m.
NEDg Description generation batch_69b56c3a4b708190a55027fd3b2b76e0 completed March 14, 2026, 2:10 p.m.
NED2 Entity disambiguation (via description) batch_69b56cc5c704819083dac59bf7b3cb83 completed March 14, 2026, 2:12 p.m.
Created at: March 9, 2026, 3:40 p.m.