Triple

T3222115
Position Surface form Disambiguated ID Type / Status
Subject Athens Metro E67533 entity
Predicate hasFuturePlan P10988 FINISHED
Object Line 4 (U-shaped new metro line)
Line 4 is a planned U-shaped metro line of the Athens Metro network intended to expand rapid transit coverage across key central and suburban areas of the city.
E337743 NE FINISHED

How this triple was built (5 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: Line 4 (U-shaped new metro line) | Statement: [Athens Metro, hasFuturePlan, Line 4 (U-shaped new metro line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Line 4 (U-shaped new metro line)
Context triple: [Athens Metro, hasFuturePlan, Line 4 (U-shaped new metro line)]
  • A. Line 4–Yellow
    Line 4–Yellow is a major driverless metro line in São Paulo’s rapid transit system, connecting key central and western districts with high-capacity, automated service.
  • B. Metro Line 4
    Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
  • C. Line 4B
    Line 4B is a planned rapid transit line of the Ho Chi Minh City Metro intended to expand urban rail connectivity within Vietnam’s largest city.
  • D. Line 4 – blue
    Line 4 – blue is a major line of the Santiago Metro system in Chile, serving key residential and commercial areas in the city.
  • E. Line 4 (Beijing Subway)
    Line 4 of the Beijing Subway is a major north–south rapid transit line serving central Beijing, connecting key commercial, residential, and cultural areas and linking with multiple other subway lines.
  • 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: Line 4 (U-shaped new metro line)
Triple: [Athens Metro, hasFuturePlan, Line 4 (U-shaped new metro line)]
Generated description
Line 4 is a planned U-shaped metro line of the Athens Metro network intended to expand rapid transit coverage across key central and suburban areas of the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Line 4 (U-shaped new metro line)
Target entity description: Line 4 is a planned U-shaped metro line of the Athens Metro network intended to expand rapid transit coverage across key central and suburban areas of the city.
  • A. Line 4–Yellow
    Line 4–Yellow is a major driverless metro line in São Paulo’s rapid transit system, connecting key central and western districts with high-capacity, automated service.
  • B. Metro Line 4
    Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
  • C. Line 4B
    Line 4B is a planned rapid transit line of the Ho Chi Minh City Metro intended to expand urban rail connectivity within Vietnam’s largest city.
  • D. Line 4 – blue
    Line 4 – blue is a major line of the Santiago Metro system in Chile, serving key residential and commercial areas in the city.
  • E. Line 4 (Beijing Subway)
    Line 4 of the Beijing Subway is a major north–south rapid transit line serving central Beijing, connecting key commercial, residential, and cultural areas and linking with multiple other subway lines.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasFuturePlan
Context triple: [Athens Metro, hasFuturePlan, Line 4 (U-shaped new metro line)]
  • A. hasPlan chosen
    Indicates that an entity possesses or is associated with a specific plan or course of action.
  • B. hasPlanningStatus
    Indicates that an entity is associated with a particular stage, condition, or outcome in a planning or approval process.
  • C. plannedDevelopment
    Indicates that one entity has been designated or scheduled for future development or construction by another entity.
  • D. hasPlannedCity
    Indicates that an entity has a city that was deliberately designed and constructed according to a prearranged plan.
  • E. plannedUnder
    Indicates that one entity has been scheduled, organized, or arranged to occur within the scope, authority, or framework of another entity.
  • F. None of above.

Provenance (6 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_69ad858b8adc8190ad989712c87a476b completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69adae1845408190b3eccd791231c69c completed March 8, 2026, 5:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69b2624f74b8819086fd54d0cf326fe9 completed March 12, 2026, 6:50 a.m.
NEDg Description generation batch_69b264c54c508190be85da879935e7f4 completed March 12, 2026, 7:01 a.m.
NED2 Entity disambiguation (via description) batch_69b268d60bd0819097194da2e9065947 completed March 12, 2026, 7:18 a.m.
PD Predicate disambiguation batch_69ad9e0bb6c48190a0659c67d40ee37c completed March 8, 2026, 4:04 p.m.
Created at: March 8, 2026, 3:08 p.m.