Triple

T4931988
Position Surface form Disambiguated ID Type / Status
Subject Ridgeland station E110716 entity
Predicate reconstructionProgram P26232 FINISHED
Object Green Line rehabilitation project
The Green Line rehabilitation project was a major infrastructure initiative to modernize and upgrade Chicago Transit Authority’s Green Line, including stations, tracks, and related facilities.
E480649 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: Green Line rehabilitation project | Statement: [Ridgeland station, reconstructionProgram, Green Line rehabilitation project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Line rehabilitation project
Context triple: [Ridgeland station, reconstructionProgram, Green Line rehabilitation project]
  • A. 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.
  • 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. Main Line Third Track Project
    The Main Line Third Track Project is a major Long Island Rail Road infrastructure expansion adding an additional track to increase capacity, reduce delays, and improve service reliability on the busy Main Line corridor.
  • D. 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.
  • E. North Line extension of Red Line
    The North Line extension of the Red Line is a METRORail light rail expansion in Houston that extends service north from downtown to additional neighborhoods and transit connections.
  • 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: Green Line rehabilitation project
Triple: [Ridgeland station, reconstructionProgram, Green Line rehabilitation project]
Generated description
The Green Line rehabilitation project was a major infrastructure initiative to modernize and upgrade Chicago Transit Authority’s Green Line, including stations, tracks, and related facilities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Green Line rehabilitation project
Target entity description: The Green Line rehabilitation project was a major infrastructure initiative to modernize and upgrade Chicago Transit Authority’s Green Line, including stations, tracks, and related facilities.
  • A. 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.
  • 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. Main Line Third Track Project
    The Main Line Third Track Project is a major Long Island Rail Road infrastructure expansion adding an additional track to increase capacity, reduce delays, and improve service reliability on the busy Main Line corridor.
  • D. 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.
  • E. North Line extension of Red Line
    The North Line extension of the Red Line is a METRORail light rail expansion in Houston that extends service north from downtown to additional neighborhoods and transit connections.
  • 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_69bd4415190c8190817bee7ec9f9f944 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd7063c57c8190a5a6fb3586238d35 completed March 20, 2026, 4:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69be77b18b6c8190bbc8d0764f6a03bf completed March 21, 2026, 10:49 a.m.
NEDg Description generation batch_69be78ce97948190a0a54b1baa0ff979 completed March 21, 2026, 10:54 a.m.
NED2 Entity disambiguation (via description) batch_69be7929cec08190a6fb28385c5bfce9 completed March 21, 2026, 10:55 a.m.
Created at: March 20, 2026, 1:30 p.m.