Triple

T28435038
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Norristown High Speed Line stations E715238 entity
Predicate connectsTo P845 FINISHED
Object SEPTA Market–Frankford Line at 69th Street Transportation Center
The SEPTA Market–Frankford Line at 69th Street Transportation Center is a major rapid transit terminus and transfer hub in Upper Darby, Pennsylvania, providing connections between the Market–Frankford Line, multiple suburban rail and bus routes, and regional destinations.
E1817754 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: SEPTA Market–Frankford Line at 69th Street Transportation Center | Statement: [SEPTA Norristown High Speed Line stations, connectsTo, SEPTA Market–Frankford Line at 69th Street Transportation Center]
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: SEPTA Market–Frankford Line at 69th Street Transportation Center
Triple: [SEPTA Norristown High Speed Line stations, connectsTo, SEPTA Market–Frankford Line at 69th Street Transportation Center]
Generated description
The SEPTA Market–Frankford Line at 69th Street Transportation Center is a major rapid transit terminus and transfer hub in Upper Darby, Pennsylvania, providing connections between the Market–Frankford Line, multiple suburban rail and bus routes, and regional destinations.

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_69efd6b253888190b3c7222ed6a403a8 completed April 27, 2026, 9:35 p.m.
NER Named-entity recognition batch_69f64e391974819085b2c505fdb804f3 completed May 2, 2026, 7:19 p.m.
NED1 Entity disambiguation (via context triple) batch_6a16332921608190bcabc427d094b9f8 completed May 26, 2026, 11:56 p.m.
NEDg Description generation batch_6a163560594081908c70213f08ef3f83 completed May 27, 2026, 12:05 a.m.
NED2 Entity disambiguation (via description) batch_6a1639a6eae881909596f0e21af432a5 completed May 27, 2026, 12:24 a.m.
Created at: April 28, 2026, 1:42 a.m.