Triple

T15248095
Position Surface form Disambiguated ID Type / Status
Subject 品川区 E364438 entity
Predicate traversedByRailway P848 FINISHED
Object 横須賀線
横須賀線 is a major JR East railway line in the Greater Tokyo and Kanagawa area that connects central Tokyo with Yokosuka and the Miura Peninsula.
E1148512 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: 横須賀線 | Statement: [品川区, traversedByRailway, 横須賀線]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 横須賀線
Context triple: [品川区, traversedByRailway, 横須賀線]
  • A. 山手線
    山手線は、東京都心部を環状に走行し主要ターミナル駅を結ぶ、JR東日本が運行する代表的な通勤・都市圏鉄道路線である。
  • B. Tokyu Shin-Yokohama Line
    The Tokyu Shin-Yokohama Line is a commuter railway line in the Greater Tokyo area that connects Tokyu Corporation’s network with the Shinkansen hub at Shin-Yokohama, improving through-services and regional accessibility.
  • C. Tōkyū Ōimachi Line
    The Tōkyū Ōimachi Line is a major commuter railway line in Tokyo operated by Tokyu Corporation, connecting central Tokyo areas such as Ōimachi and Futako-Tamagawa with surrounding residential districts.
  • D. Yokohama Line
    The Yokohama Line is a commuter rail line in the Greater Tokyo area of Japan operated by JR East, connecting Hachiōji and Higashi-Kanagawa and serving key suburban and urban districts around Yokohama.
  • E. Tōkyū Ikegami Line
    The Tōkyū Ikegami Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with central districts such as Shinagawa.
  • 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: 横須賀線
Triple: [品川区, traversedByRailway, 横須賀線]
Generated description
横須賀線 is a major JR East railway line in the Greater Tokyo and Kanagawa area that connects central Tokyo with Yokosuka and the Miura Peninsula.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 横須賀線
Target entity description: 横須賀線 is a major JR East railway line in the Greater Tokyo and Kanagawa area that connects central Tokyo with Yokosuka and the Miura Peninsula.
  • A. 山手線
    山手線は、東京都心部を環状に走行し主要ターミナル駅を結ぶ、JR東日本が運行する代表的な通勤・都市圏鉄道路線である。
  • B. Tokyu Shin-Yokohama Line
    The Tokyu Shin-Yokohama Line is a commuter railway line in the Greater Tokyo area that connects Tokyu Corporation’s network with the Shinkansen hub at Shin-Yokohama, improving through-services and regional accessibility.
  • C. Tōkyū Ōimachi Line
    The Tōkyū Ōimachi Line is a major commuter railway line in Tokyo operated by Tokyu Corporation, connecting central Tokyo areas such as Ōimachi and Futako-Tamagawa with surrounding residential districts.
  • D. Yokohama Line
    The Yokohama Line is a commuter rail line in the Greater Tokyo area of Japan operated by JR East, connecting Hachiōji and Higashi-Kanagawa and serving key suburban and urban districts around Yokohama.
  • E. Tōkyū Ikegami Line
    The Tōkyū Ikegami Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with central districts such as Shinagawa.
  • 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_69d85a0dde7481908fc64d1e82d5d20d completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e007f4f9d48190b96a7e0c6993cd69 completed April 15, 2026, 9:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69feef6c25808190af46f4cab56f133c completed May 9, 2026, 8:25 a.m.
NEDg Description generation batch_69fef18ce14c8190887ec683b0adfc26 completed May 9, 2026, 8:34 a.m.
NED2 Entity disambiguation (via description) batch_69fef2c0e5a88190b8d4212c90eaa10f completed May 9, 2026, 8:39 a.m.
Created at: April 10, 2026, 3:13 a.m.