Triple

T6714041
Position Surface form Disambiguated ID Type / Status
Subject Mahoning Valley E153217 entity
Predicate hasEconomicHistoryEvent P2107 FINISHED
Object Black Monday (1977 steel mill closures)
Black Monday (1977 steel mill closures) refers to the 1977 mass shutdown of steel mills in Ohio’s Mahoning Valley that triggered a severe regional economic and social crisis.
E613213 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: Black Monday (1977 steel mill closures) | Statement: [Mahoning Valley, hasEconomicHistoryEvent, Black Monday (1977 steel mill closures)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Black Monday (1977 steel mill closures)
Context triple: [Mahoning Valley, hasEconomicHistoryEvent, Black Monday (1977 steel mill closures)]
  • A. Black Monday
    Black Monday is a dark comedy television series that satirically explores the events surrounding the 1987 stock market crash through the misadventures of a group of Wall Street outsiders.
  • B. Nixon shock
    The Nixon shock was a series of unexpected economic measures in 1971, most notably ending the U.S. dollar’s convertibility to gold and imposing wage and price controls, which effectively dismantled the Bretton Woods system and reshaped the global monetary order.
  • C. Black Friday (8 September 1978)
    Black Friday (8 September 1978) was a pivotal and bloody crackdown by Iranian security forces on protesters in Tehran, widely seen as a turning point that radicalized opposition and accelerated the Iranian Revolution.
  • D. Black Friday gold panic of 1869
    The Black Friday gold panic of 1869 was a financial crisis in the United States triggered by a failed attempt by speculators to corner the gold market, causing a market crash and widespread economic turmoil.
  • E. savings and loan crisis of the 1980s
    The savings and loan crisis of the 1980s was a major U.S. financial disaster in which hundreds of savings and loan institutions failed due to risky lending, deregulation, and fraud, leading to massive taxpayer-funded bailouts and significant reforms of the financial sector.
  • 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: Black Monday (1977 steel mill closures)
Triple: [Mahoning Valley, hasEconomicHistoryEvent, Black Monday (1977 steel mill closures)]
Generated description
Black Monday (1977 steel mill closures) refers to the 1977 mass shutdown of steel mills in Ohio’s Mahoning Valley that triggered a severe regional economic and social crisis.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Black Monday (1977 steel mill closures)
Target entity description: Black Monday (1977 steel mill closures) refers to the 1977 mass shutdown of steel mills in Ohio’s Mahoning Valley that triggered a severe regional economic and social crisis.
  • A. Black Monday
    Black Monday is a dark comedy television series that satirically explores the events surrounding the 1987 stock market crash through the misadventures of a group of Wall Street outsiders.
  • B. Nixon shock
    The Nixon shock was a series of unexpected economic measures in 1971, most notably ending the U.S. dollar’s convertibility to gold and imposing wage and price controls, which effectively dismantled the Bretton Woods system and reshaped the global monetary order.
  • C. Black Friday (8 September 1978)
    Black Friday (8 September 1978) was a pivotal and bloody crackdown by Iranian security forces on protesters in Tehran, widely seen as a turning point that radicalized opposition and accelerated the Iranian Revolution.
  • D. Black Friday gold panic of 1869
    The Black Friday gold panic of 1869 was a financial crisis in the United States triggered by a failed attempt by speculators to corner the gold market, causing a market crash and widespread economic turmoil.
  • E. savings and loan crisis of the 1980s
    The savings and loan crisis of the 1980s was a major U.S. financial disaster in which hundreds of savings and loan institutions failed due to risky lending, deregulation, and fraud, leading to massive taxpayer-funded bailouts and significant reforms of the financial sector.
  • 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_69c68809b4608190a2509ddb5ab87f05 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d7c94bac8190ae4b236d1b04bec9 completed March 27, 2026, 7:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69c70096e05c8190abfa90996db37eeb completed March 27, 2026, 10:11 p.m.
NEDg Description generation batch_69c701fa048c819091585d2bd4afe06a completed March 27, 2026, 10:17 p.m.
NED2 Entity disambiguation (via description) batch_69c7028710788190b054c7cfd28a6812 completed March 27, 2026, 10:19 p.m.
Created at: March 27, 2026, 2:07 p.m.