Triple

T1406047
Position Surface form Disambiguated ID Type / Status
Subject Constantine E31693 entity
Predicate transport P230 FINISHED
Object Constantine tramway
The Constantine tramway is a modern light rail system serving the city of Constantine in northeastern Algeria, providing urban public transportation across its hilly and historic landscape.
E161125 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: Constantine tramway | Statement: [Constantine, transport, Constantine tramway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Constantine tramway
Context triple: [Constantine, transport, Constantine tramway]
  • A. Alexandria tram
    The Alexandria tram is one of the oldest operating electric tram systems in the world, serving as a key component of public transportation in the Egyptian coastal city of Alexandria.
  • B. New Tram
    New Tram is an automated guideway transit line in Osaka, Japan, operated as part of the Osaka Metro system.
  • C. Cambridge Guided Busway
    The Cambridge Guided Busway is a dedicated guided bus rapid transit system in Cambridgeshire, England, providing fast, segregated routes that link Cambridge with surrounding towns and key sites such as major employment and research hubs.
  • D. Powell-Mason cable car line
    The Powell-Mason cable car line is one of San Francisco’s historic cable car routes, carrying passengers between the bustling waterfront and the hilltop neighborhoods, including Nob Hill.
  • E. Powell–Hyde cable car line
    The Powell–Hyde cable car line is one of San Francisco’s historic cable car routes, running from Market Street over Nob Hill and Russian Hill to the city’s northern waterfront near Fisherman’s Wharf.
  • 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: Constantine tramway
Triple: [Constantine, transport, Constantine tramway]
Generated description
The Constantine tramway is a modern light rail system serving the city of Constantine in northeastern Algeria, providing urban public transportation across its hilly and historic landscape.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Constantine tramway
Target entity description: The Constantine tramway is a modern light rail system serving the city of Constantine in northeastern Algeria, providing urban public transportation across its hilly and historic landscape.
  • A. Alexandria tram
    The Alexandria tram is one of the oldest operating electric tram systems in the world, serving as a key component of public transportation in the Egyptian coastal city of Alexandria.
  • B. New Tram
    New Tram is an automated guideway transit line in Osaka, Japan, operated as part of the Osaka Metro system.
  • C. Cambridge Guided Busway
    The Cambridge Guided Busway is a dedicated guided bus rapid transit system in Cambridgeshire, England, providing fast, segregated routes that link Cambridge with surrounding towns and key sites such as major employment and research hubs.
  • D. Powell-Mason cable car line
    The Powell-Mason cable car line is one of San Francisco’s historic cable car routes, carrying passengers between the bustling waterfront and the hilltop neighborhoods, including Nob Hill.
  • E. Powell–Hyde cable car line
    The Powell–Hyde cable car line is one of San Francisco’s historic cable car routes, running from Market Street over Nob Hill and Russian Hill to the city’s northern waterfront near Fisherman’s Wharf.
  • 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_69a49918e1f88190ba610f9dc8114578 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c3bc55a08190a4dfe13a5378aff3 completed March 1, 2026, 10:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69ace5770ea08190ac91b47a4ed5bf35 completed March 8, 2026, 2:56 a.m.
NEDg Description generation batch_69ace62a94e88190883d25cdb748e8c1 completed March 8, 2026, 2:59 a.m.
NED2 Entity disambiguation (via description) batch_69ace68ab3788190bc3b55dd9a0fe267 completed March 8, 2026, 3:01 a.m.
Created at: March 1, 2026, 7:59 p.m.