Triple
T16001244
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Calpine Corporation |
E388097
|
entity |
| Predicate | tradedAs |
P2822
|
FINISHED |
| Object |
NYSE:CPN
NYSE:CPN is the former stock ticker symbol for Calpine Corporation, a major U.S. power company known for its fleet of natural gas-fired and geothermal power plants.
|
E1187839
|
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: NYSE:CPN | Statement: [Calpine Corporation, tradedAs, NYSE:CPN]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NYSE:CPN Context triple: [Calpine Corporation, tradedAs, NYSE:CPN]
-
A.
NYSE:CNI
NYSE:CNI is the stock ticker symbol for Canadian National Railway Company, a major North American freight railway operator listed on the New York Stock Exchange.
-
B.
CP: CPN
CP: CPN is the official station code used by Comboios de Portugal to identify Porto Campanhã railway station in Porto, Portugal.
-
C.
CPN
CPN was a Dutch communist political party that played a significant role in left-wing politics in the Netherlands during the 20th century.
-
D.
CPN
CPN is the ICAO airline designator assigned to Caspian Airlines, an Iranian passenger carrier.
-
E.
NYSE:PC
NYSE:PC was the former New York Stock Exchange ticker symbol for Panasonic Corporation, a major Japanese multinational electronics and technology company.
- 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: NYSE:CPN Triple: [Calpine Corporation, tradedAs, NYSE:CPN]
Generated description
NYSE:CPN is the former stock ticker symbol for Calpine Corporation, a major U.S. power company known for its fleet of natural gas-fired and geothermal power plants.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: NYSE:CPN Target entity description: NYSE:CPN is the former stock ticker symbol for Calpine Corporation, a major U.S. power company known for its fleet of natural gas-fired and geothermal power plants.
-
A.
NYSE:CNI
NYSE:CNI is the stock ticker symbol for Canadian National Railway Company, a major North American freight railway operator listed on the New York Stock Exchange.
-
B.
CP: CPN
CP: CPN is the official station code used by Comboios de Portugal to identify Porto Campanhã railway station in Porto, Portugal.
-
C.
CPN
CPN is the ICAO airline designator assigned to Caspian Airlines, an Iranian passenger carrier.
-
D.
CPN
CPN was a Dutch communist political party that played a significant role in left-wing politics in the Netherlands during the 20th century.
-
E.
NYSE:PC
NYSE:PC was the former New York Stock Exchange ticker symbol for Panasonic Corporation, a major Japanese multinational electronics and technology company.
- 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_69d86daa562c81908aacc179c0fe8fb5 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e157fba9748190ac8fc27b167d49f7 |
completed | April 16, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffc3d99ca08190a3d07a0802b1b24a |
completed | May 9, 2026, 11:31 p.m. |
| NEDg | Description generation | batch_69ffc44e8b0c81909b8af9006aa5fc4d |
completed | May 9, 2026, 11:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffc4bdf840819085e0a537e126c704 |
completed | May 9, 2026, 11:35 p.m. |
Created at: April 10, 2026, 4:55 a.m.