Triple
T398896
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburgh, Cincinnati, Chicago and St. Louis Railroad |
E9234
|
entity |
| Predicate | servedCity |
P3936
|
FINISHED |
| Object |
East St. Louis, Illinois
East St. Louis, Illinois is an industrial city in southwestern Illinois, located directly across the Mississippi River from St. Louis, Missouri, historically known as a major rail and transportation hub.
|
E54909
|
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: East St. Louis, Illinois | Statement: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, servedCity, East St. Louis, Illinois]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East St. Louis, Illinois Context triple: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, servedCity, East St. Louis, Illinois]
-
A.
Winfield, Illinois
Winfield, Illinois is a suburban village in the Chicago metropolitan area known for its residential character and proximity to major medical and forest preserve facilities.
-
B.
St. Louis, Missouri, United States
St. Louis, Missouri, United States is a major Midwestern city on the Mississippi River known for its iconic Gateway Arch, rich musical and cultural heritage, and historical role as a gateway to the American West.
-
C.
Springfield, Illinois
Springfield, Illinois is the capital city of the U.S. state of Illinois, best known as the longtime home and final resting place of Abraham Lincoln.
-
D.
Calumet City, Illinois
Calumet City, Illinois is a suburban city in the Chicago metropolitan area known historically for its industrial roots and proximity to the Indiana state line.
-
E.
Harvey, Illinois
Harvey, Illinois is a small, historically industrial suburb located south of Chicago.
- 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: East St. Louis, Illinois Triple: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, servedCity, East St. Louis, Illinois]
Generated description
East St. Louis, Illinois is an industrial city in southwestern Illinois, located directly across the Mississippi River from St. Louis, Missouri, historically known as a major rail and transportation hub.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: East St. Louis, Illinois Target entity description: East St. Louis, Illinois is an industrial city in southwestern Illinois, located directly across the Mississippi River from St. Louis, Missouri, historically known as a major rail and transportation hub.
-
A.
Winfield, Illinois
Winfield, Illinois is a suburban village in the Chicago metropolitan area known for its residential character and proximity to major medical and forest preserve facilities.
-
B.
St. Louis, Missouri, United States
St. Louis, Missouri, United States is a major Midwestern city on the Mississippi River known for its iconic Gateway Arch, rich musical and cultural heritage, and historical role as a gateway to the American West.
-
C.
Springfield, Illinois
Springfield, Illinois is the capital city of the U.S. state of Illinois, best known as the longtime home and final resting place of Abraham Lincoln.
-
D.
Calumet City, Illinois
Calumet City, Illinois is a suburban city in the Chicago metropolitan area known historically for its industrial roots and proximity to the Indiana state line.
-
E.
Harvey, Illinois
Harvey, Illinois is a small, historically industrial suburb located south of Chicago.
- 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_69a2e8004cb88190b92ed1add6abf41a |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2ec8d0ca881909d786e8eed9b6748 |
completed | Feb. 28, 2026, 1:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a431dbb77081908f87740c9b827f90 |
completed | March 1, 2026, 12:32 p.m. |
| NEDg | Description generation | batch_69a4320b5b08819098ca871f5fbc1a3b |
completed | March 1, 2026, 12:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a43503ddc48190b2a84ddd5cc39290 |
completed | March 1, 2026, 12:45 p.m. |
Created at: Feb. 28, 2026, 1:08 p.m.