Triple

T23814963
Position Surface form Disambiguated ID Type / Status
Subject M8 electric multiple unit E589069 entity
Predicate replacedRollingStock P14642 FINISHED
Object M2 electric multiple unit
The M2 electric multiple unit is a class of commuter rail cars that operated for decades on the New Haven Line and related services in the northeastern United States before being superseded by newer equipment.
 E1605680 NE FINISHED

How this triple was built (2 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: M2 electric multiple unit | Statement: [M8 electric multiple unit, replacedRollingStock, M2 electric multiple unit]
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: M2 electric multiple unit
Triple: [M8 electric multiple unit, replacedRollingStock, M2 electric multiple unit]
Generated description
The M2 electric multiple unit is a class of commuter rail cars that operated for decades on the New Haven Line and related services in the northeastern United States before being superseded by newer equipment.

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_69e25d18619081909c7fb89d8926f14a completed April 17, 2026, 4:17 p.m.
NER Named-entity recognition batch_69f1c7a9ce708190a27195d58589d757 completed April 29, 2026, 8:56 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0f6982e8f081909441a66447410bcd completed May 21, 2026, 8:22 p.m.
NEDg Description generation batch_6a0f6d3ea7a0819098e47bce047df2c7 completed May 21, 2026, 8:38 p.m.
NED2 Entity disambiguation (via description) batch_6a0f6e661d04819090ed01c4813ea238 completed May 21, 2026, 8:43 p.m.
Created at: April 17, 2026, 7:57 p.m.