Triple

T2383628

Position	Surface form	Disambiguated ID	Type / Status
Subject	Broad Street Line	`E46366`	entity
Predicate	servesStation	`P839`	FINISHED
Object	Spring Garden station (Broad Street Line) Spring Garden station (Broad Street Line) is an underground SEPTA subway station in Philadelphia, Pennsylvania, located along Broad Street near the city’s cultural and educational institutions.	`E260832`	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: Spring Garden station (Broad Street Line) | Statement: [Broad Street Line, servesStation, Spring Garden station (Broad Street Line)]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Spring Garden station (Broad Street Line)
Context triple: [Broad Street Line, servesStation, Spring Garden station (Broad Street Line)]

A. City Hall Station (Philadelphia)
City Hall Station (Philadelphia) is a major underground transit hub in Center City that serves as a key interchange point for multiple SEPTA subway and trolley lines beneath Philadelphia’s City Hall.
B. Broad Street Station (Philadelphia)
Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
C. Jefferson Station (SEPTA)
Jefferson Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that connects multiple commuter lines and provides direct access to nearby downtown destinations.
D. Glenside station
Glenside station is a SEPTA Regional Rail stop in Glenside, Pennsylvania, serving multiple commuter lines that connect the suburb with central Philadelphia and surrounding areas.
E. Suburban Station (SEPTA)
Suburban Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that serves as one of SEPTA’s primary commuter rail terminals.
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: Spring Garden station (Broad Street Line)
Triple: [Broad Street Line, servesStation, Spring Garden station (Broad Street Line)]

Generated description

Spring Garden station (Broad Street Line) is an underground SEPTA subway station in Philadelphia, Pennsylvania, located along Broad Street near the city’s cultural and educational institutions.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Spring Garden station (Broad Street Line)
Target entity description: Spring Garden station (Broad Street Line) is an underground SEPTA subway station in Philadelphia, Pennsylvania, located along Broad Street near the city’s cultural and educational institutions.

A. City Hall Station (Philadelphia)
City Hall Station (Philadelphia) is a major underground transit hub in Center City that serves as a key interchange point for multiple SEPTA subway and trolley lines beneath Philadelphia’s City Hall.
B. Broad Street Station (Philadelphia)
Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
C. Jefferson Station (SEPTA)
Jefferson Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that connects multiple commuter lines and provides direct access to nearby downtown destinations.
D. Glenside station
Glenside station is a SEPTA Regional Rail stop in Glenside, Pennsylvania, serving multiple commuter lines that connect the suburb with central Philadelphia and surrounding areas.
E. Suburban Station (SEPTA)
Suburban Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that serves as one of SEPTA’s primary commuter rail terminals.
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_69a88a1554a48190a0180682bcf099be`	completed	March 4, 2026, 7:37 p.m.
NER	Named-entity recognition	`batch_69abc7bafa248190a68e8f1e081f4817`	completed	March 7, 2026, 6:37 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69aea8b790bc8190ba399e252acec750`	completed	March 9, 2026, 11:02 a.m.
NEDg	Description generation	`batch_69aeabb22c708190898b44cdd8b97ff6`	completed	March 9, 2026, 11:14 a.m.
NED2	Entity disambiguation (via description)	`batch_69aeac141ca88190a9a91d0f5b25c341`	completed	March 9, 2026, 11:16 a.m.

Created at: March 4, 2026, 7:57 p.m.