Triple
T378524
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra Rock Island District 35th Street station |
E8623
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
Rock Island District
Rock Island District is a Metra commuter rail line in the Chicago area that connects downtown Chicago with its southwestern suburbs.
|
E48253
|
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: Rock Island District | Statement: [Metra Rock Island District 35th Street station, servedByLine, Rock Island District]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rock Island District Context triple: [Metra Rock Island District 35th Street station, servedByLine, Rock Island District]
-
A.
Northwestern Federal District
The Northwestern Federal District is an administrative region of Russia that encompasses the country’s northwestern territories, including the city of St. Petersburg.
-
B.
Northeastern Illinois
Northeastern Illinois is a metropolitan region of Illinois that includes the Chicago area and its surrounding counties, serving as a major hub for transportation, commerce, and culture in the Midwest.
-
C.
Mason District
Mason District is a magisterial district in Fairfax County, Virginia, encompassing several communities in the inner Washington, D.C. suburbs.
-
D.
Illinois National Guard
The Illinois National Guard is the modern state military force of Illinois, comprising Army and Air National Guard units that support both state authorities and the U.S. armed forces in domestic emergencies and federal missions.
-
E.
Hillsboro Division
Hillsboro Division is one of the main management and research sections of Duke Forest, comprising a large tract of protected woodland used for education, conservation, and scientific study.
- 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: Rock Island District Triple: [Metra Rock Island District 35th Street station, servedByLine, Rock Island District]
Generated description
Rock Island District is a Metra commuter rail line in the Chicago area that connects downtown Chicago with its southwestern suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rock Island District Target entity description: Rock Island District is a Metra commuter rail line in the Chicago area that connects downtown Chicago with its southwestern suburbs.
-
A.
Northwestern Federal District
The Northwestern Federal District is an administrative region of Russia that encompasses the country’s northwestern territories, including the city of St. Petersburg.
-
B.
Northeastern Illinois
Northeastern Illinois is a metropolitan region of Illinois that includes the Chicago area and its surrounding counties, serving as a major hub for transportation, commerce, and culture in the Midwest.
-
C.
Mason District
Mason District is a magisterial district in Fairfax County, Virginia, encompassing several communities in the inner Washington, D.C. suburbs.
-
D.
Illinois National Guard
The Illinois National Guard is the modern state military force of Illinois, comprising Army and Air National Guard units that support both state authorities and the U.S. armed forces in domestic emergencies and federal missions.
-
E.
Hillsboro Division
Hillsboro Division is one of the main management and research sections of Duke Forest, comprising a large tract of protected woodland used for education, conservation, and scientific study.
- 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_69a2e7f47dd08190a4e294ccbbe46cd4 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2ec2974988190a1d6316cbb5159c8 |
completed | Feb. 28, 2026, 1:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3fafe091881908fdf8ddbb6b8a7e6 |
completed | March 1, 2026, 8:38 a.m. |
| NEDg | Description generation | batch_69a3fba8a31881909a32dca83c07e197 |
completed | March 1, 2026, 8:41 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3fc96cbd88190b05e70c73cbb45c0 |
completed | March 1, 2026, 8:45 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.