Triple

T15248098
Position Surface form Disambiguated ID Type / Status
Subject 品川区 E364438 entity
Predicate traversedByRailway P848 FINISHED
Object 東急池上線
東急池上線 is a Tokyu Corporation commuter railway line in Tokyo that connects Gotanda and Kamata, serving several residential and commercial districts along its route.
E1146210 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: 東急池上線 | Statement: [品川区, traversedByRailway, 東急池上線]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 東急池上線
Context triple: [品川区, traversedByRailway, 東急池上線]
  • A. 東急大井町線
    東急大井町線 is a major Tokyu Corporation commuter railway line in Tokyo that connects Ōimachi with suburban areas such as Futako-Tamagawa and serves key residential and commercial districts.
  • B. 京急本線
    京急本線は東京都心と神奈川県の横浜・三浦半島方面を結ぶ京浜急行電鉄の主要な幹線鉄道路線です。
  • C. 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。
  • D. Seibu Shinjuku Line
    The Seibu Shinjuku Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Seibu-Shinjuku Station in central Tokyo with suburban cities in western Tokyo and Saitama Prefecture.
  • E. Seibu Yurakucho Line
    The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
  • 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: 東急池上線
Triple: [品川区, traversedByRailway, 東急池上線]
Generated description
東急池上線 is a Tokyu Corporation commuter railway line in Tokyo that connects Gotanda and Kamata, serving several residential and commercial districts along its route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 東急池上線
Target entity description: 東急池上線 is a Tokyu Corporation commuter railway line in Tokyo that connects Gotanda and Kamata, serving several residential and commercial districts along its route.
  • A. 東急大井町線
    東急大井町線 is a major Tokyu Corporation commuter railway line in Tokyo that connects Ōimachi with suburban areas such as Futako-Tamagawa and serves key residential and commercial districts.
  • B. 京急本線
    京急本線は東京都心と神奈川県の横浜・三浦半島方面を結ぶ京浜急行電鉄の主要な幹線鉄道路線です。
  • C. 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。
  • D. Seibu Shinjuku Line
    The Seibu Shinjuku Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Seibu-Shinjuku Station in central Tokyo with suburban cities in western Tokyo and Saitama Prefecture.
  • E. Seibu Yurakucho Line
    The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
  • 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_69fee5f184d481909eb4294ee3648226 completed May 9, 2026, 7:44 a.m.
NEDg Description generation batch_69fee7eabf908190b9248f397319eb6b completed May 9, 2026, 7:53 a.m.
NED2 Entity disambiguation (via description) batch_69fee83bbff481908e297e2c4b2811fb completed May 9, 2026, 7:54 a.m.
Created at: April 10, 2026, 3:13 a.m.