Triple
T3543613
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA Blue Line |
E74942
|
entity |
| Predicate | branch |
P889
|
FINISHED |
| Object |
Forest Park branch
The Forest Park branch is the western segment of Chicago's CTA Blue Line rapid transit route, serving neighborhoods between downtown Chicago and the suburb of Forest Park.
|
E367335
|
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: Forest Park branch | Statement: [CTA Blue Line, branch, Forest Park branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Forest Park branch Context triple: [CTA Blue Line, branch, Forest Park branch]
-
A.
Bowie Branch Library
The Bowie Branch Library is a public library serving the community of Bowie, Maryland with lending materials, programs, and information services.
-
B.
Forest Park Public Library
Forest Park Public Library is the public library serving the community of Forest Park, Illinois, providing access to books, digital resources, and educational programs for residents.
-
C.
Parker Hill Branch Library
Parker Hill Branch Library is a historic public library branch serving the Mission Hill neighborhood of Boston, Massachusetts.
-
D.
Williamsville Branch Library
Williamsville Branch Library is a public library serving the Williamsville, New York community as part of the local library system.
-
E.
Englewood Branch
The Englewood Branch is a former south side segment of Chicago's Green Line rapid transit route that historically served the Englewood neighborhood.
- 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: Forest Park branch Triple: [CTA Blue Line, branch, Forest Park branch]
Generated description
The Forest Park branch is the western segment of Chicago's CTA Blue Line rapid transit route, serving neighborhoods between downtown Chicago and the suburb of Forest Park.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Forest Park branch Target entity description: The Forest Park branch is the western segment of Chicago's CTA Blue Line rapid transit route, serving neighborhoods between downtown Chicago and the suburb of Forest Park.
-
A.
Bowie Branch Library
The Bowie Branch Library is a public library serving the community of Bowie, Maryland with lending materials, programs, and information services.
-
B.
Forest Park Public Library
Forest Park Public Library is the public library serving the community of Forest Park, Illinois, providing access to books, digital resources, and educational programs for residents.
-
C.
Parker Hill Branch Library
Parker Hill Branch Library is a historic public library branch serving the Mission Hill neighborhood of Boston, Massachusetts.
-
D.
Williamsville Branch Library
Williamsville Branch Library is a public library serving the Williamsville, New York community as part of the local library system.
-
E.
Englewood Branch
The Englewood Branch is a former south side segment of Chicago's Green Line rapid transit route that historically served the Englewood neighborhood.
- 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_69ad85d274cc8190ab59c97298a1cfbf |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbf752dd481909226044ffe595338 |
completed | March 8, 2026, 6:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b38bdd0cb4819086119b54c2708850 |
completed | March 13, 2026, 4 a.m. |
| NEDg | Description generation | batch_69b38cb6a2188190b68f4903144a0e51 |
completed | March 13, 2026, 4:04 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b39062a10c8190bc227c02cf4f3ab1 |
completed | March 13, 2026, 4:19 a.m. |
Created at: March 8, 2026, 3:20 p.m.