Triple

T5676898
Position Surface form Disambiguated ID Type / Status
Subject E231 series EMU E125107 entity
Predicate manufacturer P490 FINISHED
Object J-TREC
J-TREC (Japan Transport Engineering Company) is a Japanese rolling stock manufacturer known for producing a wide range of commuter and regional trains for rail operators such as JR East.
 E538223 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: J-TREC | Statement: [E231 series EMU, manufacturer, J-TREC]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: J-TREC
Context triple: [E231 series EMU, manufacturer, J-TREC]
  • A. TJC
    TJC is a U.S.-based nonprofit organization that accredits and certifies healthcare organizations and programs to promote quality and patient safety.
  • B. TJT
    TJT is the time zone used in Tajikistan, corresponding to Tajikistan Time (UTC+5).
  • C. TJCP
    TJCP is the ICAO airport code assigned to Benjamin Rivera Noriega Airport in Puerto Rico.
  • D. TRE
    TRE is the IATA airport code for Tiree Airport, which serves the island of Tiree in Scotland’s Inner Hebrides.
  • E. TRE
    TRE is the station code for the Trenton Transit Center, a major rail hub in Trenton, New Jersey serving Amtrak, NJ Transit, and SEPTA trains.
  • 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: J-TREC
Triple: [E231 series EMU, manufacturer, J-TREC]
Generated description
J-TREC (Japan Transport Engineering Company) is a Japanese rolling stock manufacturer known for producing a wide range of commuter and regional trains for rail operators such as JR East.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: J-TREC
Target entity description: J-TREC (Japan Transport Engineering Company) is a Japanese rolling stock manufacturer known for producing a wide range of commuter and regional trains for rail operators such as JR East.
  • A. TJC
    TJC is a U.S.-based nonprofit organization that accredits and certifies healthcare organizations and programs to promote quality and patient safety.
  • B. TJT
    TJT is the time zone used in Tajikistan, corresponding to Tajikistan Time (UTC+5).
  • C. TJCP
    TJCP is the ICAO airport code assigned to Benjamin Rivera Noriega Airport in Puerto Rico.
  • D. TRE
    TRE is the IATA airport code for Tiree Airport, which serves the island of Tiree in Scotland’s Inner Hebrides.
  • E. TRE
    TRE is the station code for the Trenton Transit Center, a major rail hub in Trenton, New Jersey serving Amtrak, NJ Transit, and SEPTA trains.
  • 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_69c008295c808190acfe78915e7d656a completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02392f9f481908f7b80873589eff1 completed March 22, 2026, 5:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c04dbbbe9081908d1915b898722c18 completed March 22, 2026, 8:14 p.m.
NEDg Description generation batch_69c04ee0ee6c81908f5959bdba54a7ec completed March 22, 2026, 8:19 p.m.
NED2 Entity disambiguation (via description) batch_69c04fb8ddfc8190a95b86972e659403 completed March 22, 2026, 8:23 p.m.
Created at: March 22, 2026, 3:43 p.m.