Triple

T13452629
Position Surface form Disambiguated ID Type / Status
Subject Nagoya Railroad freight lines E320647 entity
Predicate alsoKnownAs P39 FINISHED
Object Meitetsu freight lines
Meitetsu freight lines are the cargo-transport rail routes operated by the Nagoya Railroad company in Japan’s Chubu region.
 E1041171 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: Meitetsu freight lines | Statement: [Nagoya Railroad freight lines, alsoKnownAs, Meitetsu freight lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Meitetsu freight lines
Context triple: [Nagoya Railroad freight lines, alsoKnownAs, Meitetsu freight lines]
  • A. Keisei Electric Railway lines
    Keisei Electric Railway lines are a group of private railway routes in the Greater Tokyo area best known for linking central Tokyo with Narita International Airport and serving commuter and interurban travel in Chiba Prefecture.
  • B. Ise Railway
    Ise Railway is a Japanese railway company operating local train services in Mie Prefecture, particularly serving the Suzuka area.
  • C. Ohmi Railway
    Ohmi Railway is a Japanese private railway company that operates local train services and related transportation in Shiga Prefecture.
  • D. Saitama Railway
    Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
  • E. Keifuku Electric Railroad
    Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
  • 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: Meitetsu freight lines
Triple: [Nagoya Railroad freight lines, alsoKnownAs, Meitetsu freight lines]
Generated description
Meitetsu freight lines are the cargo-transport rail routes operated by the Nagoya Railroad company in Japan’s Chubu region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Meitetsu freight lines
Target entity description: Meitetsu freight lines are the cargo-transport rail routes operated by the Nagoya Railroad company in Japan’s Chubu region.
  • A. Keisei Electric Railway lines
    Keisei Electric Railway lines are a group of private railway routes in the Greater Tokyo area best known for linking central Tokyo with Narita International Airport and serving commuter and interurban travel in Chiba Prefecture.
  • B. Ise Railway
    Ise Railway is a Japanese railway company operating local train services in Mie Prefecture, particularly serving the Suzuka area.
  • C. Ohmi Railway
    Ohmi Railway is a Japanese private railway company that operates local train services and related transportation in Shiga Prefecture.
  • D. Saitama Railway
    Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
  • E. Keifuku Electric Railroad
    Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
  • 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_69d80761e6cc8190a90c844589998ecc completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbaefae85481909e6a59797cbb25e7 completed April 12, 2026, 2:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7399c539c819080802b620da6fcfc completed May 3, 2026, 12:03 p.m.
NEDg Description generation batch_69f73dd98e88819098394122bac6bbc4 completed May 3, 2026, 12:21 p.m.
NED2 Entity disambiguation (via description) batch_69f73e4f2da88190924ea9a19418750f completed May 3, 2026, 12:23 p.m.
Created at: April 9, 2026, 9:41 p.m.