Triple
T21909
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad Company |
E435
|
entity |
| Predicate | notableTrain |
P1669
|
FINISHED |
| Object |
Broadway Limited
Broadway Limited was a famous luxury passenger train that operated between New York City and Chicago, serving as one of the Pennsylvania Railroad’s premier flagship services.
|
E2991
|
NE FINISHED |
How this triple was built (5 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: Broadway Limited | Statement: [Pennsylvania Railroad Company, notableTrain, Broadway Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Broadway Limited Context triple: [Pennsylvania Railroad Company, notableTrain, Broadway Limited]
-
A.
Bonbright and Company
Bonbright and Company was a prominent early 20th-century American investment banking firm known for its work in public utilities and infrastructure finance.
-
B.
Broadway Theatre District
The Broadway Theatre District is New York City's famed hub of live theater and musicals, centered around Times Square and known as the pinnacle of American commercial stage performance.
-
C.
PlumpJack Group
PlumpJack Group is a hospitality and lifestyle company known for its wineries, hotels, restaurants, and retail businesses, originally launched in San Francisco.
-
D.
Opera House
The Opera House is a principal performance venue within the John F. Kennedy Center for the Performing Arts in Washington, D.C., primarily hosting opera, ballet, and other large-scale theatrical productions.
-
E.
Rockefeller Center
Rockefeller Center is a famous Art Deco commercial complex in Midtown Manhattan known for its iconic ice-skating rink, Christmas tree, and the Top of the Rock observation deck.
- 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: Broadway Limited Triple: [Pennsylvania Railroad Company, notableTrain, Broadway Limited]
Generated description
Broadway Limited was a famous luxury passenger train that operated between New York City and Chicago, serving as one of the Pennsylvania Railroad’s premier flagship services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Broadway Limited Target entity description: Broadway Limited was a famous luxury passenger train that operated between New York City and Chicago, serving as one of the Pennsylvania Railroad’s premier flagship services.
-
A.
Bonbright and Company
Bonbright and Company was a prominent early 20th-century American investment banking firm known for its work in public utilities and infrastructure finance.
-
B.
Broadway Theatre District
The Broadway Theatre District is New York City's famed hub of live theater and musicals, centered around Times Square and known as the pinnacle of American commercial stage performance.
-
C.
PlumpJack Group
PlumpJack Group is a hospitality and lifestyle company known for its wineries, hotels, restaurants, and retail businesses, originally launched in San Francisco.
-
D.
Opera House
The Opera House is a principal performance venue within the John F. Kennedy Center for the Performing Arts in Washington, D.C., primarily hosting opera, ballet, and other large-scale theatrical productions.
-
E.
Rockefeller Center
Rockefeller Center is a famous Art Deco commercial complex in Midtown Manhattan known for its iconic ice-skating rink, Christmas tree, and the Top of the Rock observation deck.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: notableTrain Context triple: [Pennsylvania Railroad Company, notableTrain, Broadway Limited]
-
A.
trains
Indicates that one entity teaches, instructs, or coaches another entity to develop skills, knowledge, or abilities.
-
B.
notableFor
Indicates that an entity is especially recognized or distinguished for a particular quality, achievement, characteristic, or role.
-
C.
notableManager
Indicates that an entity has, or is associated with, a manager who is particularly prominent, distinguished, or widely recognized.
-
D.
notableSystem
Indicates that a system is recognized as significant, prominent, or noteworthy in a particular context or domain.
-
E.
notableCamp
Indicates that an entity is a camp that is notable or significant in some recognized way (e.g., historically, culturally, or by prominence).
- F. None of above. chosen
Provenance (7 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_69a243b4ac2c8190b93c303df797b7b2 |
completed | Feb. 28, 2026, 1:24 a.m. |
| NER | Named-entity recognition | batch_69a246e94ca881908f7a7d2c0b293033 |
completed | Feb. 28, 2026, 1:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a24e59b35c8190a192ed9095a8756d |
completed | Feb. 28, 2026, 2:09 a.m. |
| NEDg | Description generation | batch_69a24edf06688190963f6812d173d56e |
completed | Feb. 28, 2026, 2:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a24fec71908190813a1e322bbbdbb6 |
completed | Feb. 28, 2026, 2:16 a.m. |
| PD | Predicate disambiguation | batch_69a24654724481909ba14b7f68d2a472 |
completed | Feb. 28, 2026, 1:35 a.m. |
| PDg | Predicate description generation | batch_69a246e7fac481909b0c500d4500650e |
completed | Feb. 28, 2026, 1:37 a.m. |
Created at: Feb. 28, 2026, 1:34 a.m.