Triple

T2997823
Position Surface form Disambiguated ID Type / Status
Subject Yamatoji Line E81112 entity
Predicate connectsWithLine P845 FINISHED
Object Yamatoji Rapid Service
Yamatoji Rapid Service is a Japanese commuter rail service operated by JR West that provides fast, limited-stop connections across the Osaka–Nara area.
E319169 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: Yamatoji Rapid Service | Statement: [Yamatoji Line, connectsWithLine, Yamatoji Rapid Service]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Yamatoji Rapid Service
Context triple: [Yamatoji Line, connectsWithLine, Yamatoji Rapid Service]
  • A. Umeda Freight Line
    The Umeda Freight Line is a dedicated railway freight route in Osaka, Japan, used primarily for transporting goods through the city's rail network.
  • B. Keiō New Line
    The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
  • C. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • 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. Sōbu Line Rapid
    The Sōbu Line Rapid is a Japanese railway service operated by JR East that provides fast commuter and intercity connections between central Tokyo and eastern Chiba Prefecture.
  • 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: Yamatoji Rapid Service
Triple: [Yamatoji Line, connectsWithLine, Yamatoji Rapid Service]
Generated description
Yamatoji Rapid Service is a Japanese commuter rail service operated by JR West that provides fast, limited-stop connections across the Osaka–Nara area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Yamatoji Rapid Service
Target entity description: Yamatoji Rapid Service is a Japanese commuter rail service operated by JR West that provides fast, limited-stop connections across the Osaka–Nara area.
  • A. Umeda Freight Line
    The Umeda Freight Line is a dedicated railway freight route in Osaka, Japan, used primarily for transporting goods through the city's rail network.
  • B. Keiō New Line
    The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
  • C. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • 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. Sōbu Line Rapid
    The Sōbu Line Rapid is a Japanese railway service operated by JR East that provides fast commuter and intercity connections between central Tokyo and eastern Chiba Prefecture.
  • 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_69ad8b187fc8819085914d3c9ea3142d completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad99f612148190a5a565ba2ecc4fc0 completed March 8, 2026, 3:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69b12e419e508190be23a2d413357058 completed March 11, 2026, 8:56 a.m.
NEDg Description generation batch_69b1326a2c088190b58fc0a35fe728ea completed March 11, 2026, 9:14 a.m.
NED2 Entity disambiguation (via description) batch_69b1d35cf53c81909738765bef09535b completed March 11, 2026, 8:41 p.m.
Created at: March 8, 2026, 2:59 p.m.