Triple

T30378803

Position	Surface form	Disambiguated ID	Type / Status
Subject	Los Angeles Metro Rail C Line stations	`E772764`	entity
Predicate	connectsTo	`P845`	FINISHED
Object	Los Angeles Metro Rail A Line at Willowbrook–Rosa Parks station The Los Angeles Metro Rail A Line at Willowbrook–Rosa Parks station is a major light rail stop in South Los Angeles that serves as a key transfer hub between multiple Metro Rail lines and local bus services.	`E63109`	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: Los Angeles Metro Rail A Line at Willowbrook–Rosa Parks station | Statement: [Los Angeles Metro Rail C Line stations, connectsTo, Los Angeles Metro Rail A Line at Willowbrook–Rosa Parks station]

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: Los Angeles Metro Rail A Line at Willowbrook–Rosa Parks station
Triple: [Los Angeles Metro Rail C Line stations, connectsTo, Los Angeles Metro Rail A Line at Willowbrook–Rosa Parks station]

Generated description

The Los Angeles Metro Rail A Line at Willowbrook–Rosa Parks station is a major light rail stop in South Los Angeles that serves as a key transfer hub between multiple Metro Rail lines and local bus services.

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_69f2248e3444819081b05712dc6873de`	completed	April 29, 2026, 3:32 p.m.
NER	Named-entity recognition	`batch_69f68516d72c8190a86c755b5907f5c4`	completed	May 2, 2026, 11:13 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a27894879348190a4ca0b6300a6c299`	completed	June 9, 2026, 3:32 a.m.
NEDg	Description generation	`batch_6a278a1d4c0881909d4e6ae051872ba5`	completed	June 9, 2026, 3:35 a.m.
NED2	Entity disambiguation (via description)	`batch_6a278b7daf3c819090c29e305656692d`	completed	June 9, 2026, 3:41 a.m.

Created at: April 29, 2026, 8 p.m.