Triple
T16247423
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Moylan–Rose Valley station |
E394406
|
entity |
| Predicate | railLineHistoricalName |
P44063
|
FINISHED |
| Object |
West Chester Branch
West Chester Branch was a former Pennsylvania Railroad commuter rail line in the Philadelphia region that once connected West Chester to central Philadelphia.
|
E1201785
|
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: West Chester Branch | Statement: [Moylan–Rose Valley station, railLineHistoricalName, West Chester Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Chester Branch Context triple: [Moylan–Rose Valley station, railLineHistoricalName, West Chester Branch]
-
A.
Norristown Branch
The Norristown Branch is a commuter rail line in the Philadelphia region that connects the city with its northwestern suburbs, including Norristown.
-
B.
West Chester Public Library
West Chester Public Library is a community-focused public library in West Chester, Pennsylvania, providing residents with access to books, digital resources, and educational programs.
-
C.
New Hope Branch
New Hope Branch is a former Reading Railroad branch line in southeastern Pennsylvania that once provided rail service between the Philadelphia area and the town of New Hope.
-
D.
Lower Merion Library System
The Lower Merion Library System is a network of public libraries serving residents of Lower Merion Township in Pennsylvania with lending materials, programs, and community services.
-
E.
Doylestown Branch
The Doylestown Branch is a former Reading Railroad commuter rail line in southeastern Pennsylvania that connected Philadelphia with the town of Doylestown.
- 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: West Chester Branch Triple: [Moylan–Rose Valley station, railLineHistoricalName, West Chester Branch]
Generated description
West Chester Branch was a former Pennsylvania Railroad commuter rail line in the Philadelphia region that once connected West Chester to central Philadelphia.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: West Chester Branch Target entity description: West Chester Branch was a former Pennsylvania Railroad commuter rail line in the Philadelphia region that once connected West Chester to central Philadelphia.
-
A.
Norristown Branch
The Norristown Branch is a commuter rail line in the Philadelphia region that connects the city with its northwestern suburbs, including Norristown.
-
B.
West Chester Public Library
West Chester Public Library is a community-focused public library in West Chester, Pennsylvania, providing residents with access to books, digital resources, and educational programs.
-
C.
New Hope Branch
New Hope Branch is a former Reading Railroad branch line in southeastern Pennsylvania that once provided rail service between the Philadelphia area and the town of New Hope.
-
D.
Lower Merion Library System
The Lower Merion Library System is a network of public libraries serving residents of Lower Merion Township in Pennsylvania with lending materials, programs, and community services.
-
E.
Doylestown Branch
The Doylestown Branch is a former Reading Railroad commuter rail line in southeastern Pennsylvania that connected Philadelphia with the town of Doylestown.
- 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_69d87f2171208190951025e526947816 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e245942460819080897afad0d2fe09 |
completed | April 17, 2026, 2:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a000ee3bbc48190a56ce2807a9510f0 |
completed | May 10, 2026, 4:51 a.m. |
| NEDg | Description generation | batch_6a000f9aecec819087cecb1edad6b710 |
completed | May 10, 2026, 4:54 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0010462ba881909666051b2fc38d43 |
completed | May 10, 2026, 4:57 a.m. |
Created at: April 10, 2026, 5:04 a.m.