Triple
T15460738
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA Fox Chase Line |
E371890
|
entity |
| Predicate | historicalPredecessor |
P97
|
FINISHED |
| Object | Reading Railroad Newtown Branch |
E74090
|
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: Reading Railroad Newtown Branch | Statement: [SEPTA Fox Chase Line, historicalPredecessor, Reading Railroad Newtown Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Reading Railroad Newtown Branch Context triple: [SEPTA Fox Chase Line, historicalPredecessor, Reading Railroad Newtown Branch]
-
A.
New Canaan Railroad
The New Canaan Railroad was a 19th-century railroad company in Connecticut that built and operated the line later known as Metro-North's New Canaan Branch.
-
B.
Reading Railroad lines north of Philadelphia
chosen
The Reading Railroad lines north of Philadelphia were a network of commuter and freight rail routes serving suburban and outlying communities in the northern Philadelphia region, later incorporated into modern regional rail services.
-
C.
New York and Putnam Railroad
The New York and Putnam Railroad was a historic rail line in New York State that once connected New York City to communities in Westchester and Putnam counties before its route was later converted into recreational trails.
-
D.
Doylestown Branch
The Doylestown Branch is a former Reading Railroad commuter rail line in southeastern Pennsylvania that connected Philadelphia with the town of Doylestown.
-
E.
Elizabethtown and Somerville Railroad
The Elizabethtown and Somerville Railroad was an early New Jersey railway line that later became part of the Central Railroad of New Jersey’s expanding regional network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d85cc8bd308190886949510b42e764 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e03f17663c8190b995c7c3129c90d6 |
completed | April 16, 2026, 1:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff2cfd76cc8190b3d8148ffe872887 |
completed | May 9, 2026, 12:47 p.m. |
Created at: April 10, 2026, 3:32 a.m.