2021/04/09
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|ACE synthetic graph Examples|
|-|
|event: Personnel:Elect trigger: **election** role: Person type: PER:Individual text: **a dead man**|
|He lost an election to a dead man, an ugly one at that.|
|event: Personnel:Elect trigger: **be** role: Person type: PER:Individual text: **a dead man**|
|He could be a president, or he could be a dead man.|
|event: Personnel:Elect trigger: **became** role: Person type: PER:Individual text: **a dead man**|
|He became a dead man, a prisoner of war.|
|event: Personnel:Elect trigger: **elections** role: Person type: PER:Individual text: **a dead man**|
|He lost two elections to a dead man.|
|event: Personnel:Elect trigger: **which** role: Person type: PER:Individual text: **a dead man**|
|He held a sign which read: "It's a dead man's house,"|
|event: Personnel:Elect trigger: **which** role: Person type: PER:Individual text: **the Iraqi ambassador**|
|I asked the British government to clarify which of the Iraqi ambassador's statements prompted the accusations.|
|event: Personnel:Elect trigger: **elected** role: Person type: PER:Individual text: **a dead man**|
|He could have easily been elected to another term, but this time it was a dead man.|

|ECB+ Examples|
|-|
|Graph|
|Human: **leaders** Human: **polygamist group** Action: **arrested** Location: **in Canada** |
|Reference|
|2 leaders of polygamist group arrested in Canada|
|Prediction|
|Leaders of a polygamist group arrested in Canada|
|Graph|
|Human: **leaders** Human: **community** Location: **in western Canada** Action: **arrested** Action: **charged** Action: **practicing polygamy** Human: **attorney general** Action: **said** Time: **Wednesday** |
|Reference|
| Two top leaders of a polygamous community in western Canada have been arrested and charged with practicing polygamy , British Columbia 's attorney general said Wednesday|
|Prediction|
|Leaders of a community in western Canada have been arrested and charged with practicing polygamy, the Canadian attorney general said Wednesday.|

2021/03/12
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|Model | BLEU w/ length penalty | BLEU 1-4 w/o length penalty | prediction length/reference length |
|-|-|-|-|
|T5-base | 20.06 | 64.5/41.1/32.5/26.8 | - |
|T5-large| 21.36 | 65.4/41.9/33.4/27.7 | 0.615 |
|T5-large CVAE epoch=0 | 16.71 | 74.0/50.5/41.2/35.1 | 0.485|
|T5-large CVAE epoch=5 | 21.69 | 65.8/43.7/35.5/30.0 | 0.606 |
|T5-large CVAE epoch=15 | 21.82 | 62.8/40.1/32.4/27.2 | 0.637 |
|T5-large CVAE epoch=30 | 21.83 | 57.6/35.4/27.9/22.7 | 0.698 |
|copy baseline | 0.01 | 54.7/34.3/28.1/23.6 | - |

|**reference**|
|-|
|event: Conflict:Attack trigger: **post-war**|
|Putin concluded his two days of talks in Saint Petersburg with Jacques Chirac of France and German Chancellor Gerhard Schroeder on Saturday still urging for a central role for the United Nations in a post-war revival of Iraq.|
|**prediction**|
|But analysts argued that the U.S. could do better in a post-war scenario if it had stronger political will.|
|CNN medical correspondent, Dr. Sanjay Gupta, has been traveling with the Devil Docs throughout the war and now they are close to Baghdad.|
|And, says the Institute for Strategic and International Studies (ISI), the world's leading think tank on international security, is making the case for a stronger international role in the post-war period.|
|**reference**|
|event: Movement:Transport trigger: **sent** role: Artifact type: PER:Group text: **1,000 troops** role: Agent type: GPE:Nation text: **Turkey** role: Destination type: LOC:Region-General text: **northern Iraq** role: Time-Within type: TIM:time text: **the same time** event: Movement:Transport trigger: **send** role: Artifact type: PER:Group text: **more** role: Agent type: GPE:Nation text: **the government** role: Destination type: LOC:Region-General text: **northern Iraq** event: Business:Start-Org trigger: **creating** role: Agent type: PER:Group text: **Iraqi Kurds** |
|At the same time, however, Turkey sent 1,000 troops into northern Iraq, and the government said it would send more to prevent Iraqi Kurds from creating an independent state.|
|**prediction**|
|At the same time, Turkey sent 1,000 troops into northern Iraq, and the government said it would send more, creating more Iraqi Kurds.|
|**reference**|
|event: Movement:Transport trigger: **move** role: Destination type: LOC:Region-General text: **northern Iraq** role: Agent type: GPE:Nation text: **Turkey**|
| The United States strongly opposes any unilateral move by Turkey into northern Iraq.|
|**prediction**|
|Turkey has also threatened to move into northern Iraq to prevent U.S. troops from reaching it, a U.S. official said on condition of anonymity.|
|Turkey has also indicated it may move in to help with the cleanup of northern Iraq.|

2021/03/05
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Test on valid samples (at least 1 event) on ACE 2005 event extraction test set
|Model | BLEU w/ length penalty | BLEU 1-4 w/o length penalty |
|-|-|-|
|T5-base | 20.06 | 64.5/41.1/32.5/26.8 |
|T5-large| 21.36 | 65.4/41.9/33.4/27.7 |
|copy baseline | 0.01 | 54.7/34.3/28.1/23.6 |

The event graph lacks too much information, and the training set is very small.

Bold rows mean the model's prediction.
|Examples|
|-|
|event: Business:Start-Org trigger: launched role: Org type: ORG:Commercial text: A ground-breaking British budget cinema chain launched by the founder of low-cost airline easyJet role: Agent type: PER:Individual text: the founder of low-cost airline easyJet role: Time-After type: TIM:time text: a fortnight before it first opens |
A ground-breaking British budget cinema chain launched by the founder of low-cost airline easyJet announced Friday that it had finally acquired some films to show -- just a fortnight before it first opens.|
|**A ground-breaking British budget cinema chain launched by the founder of low-cost airline easyJet is set to open its doors a fortnight before it first opens.**|
|event: Transaction:Transfer-Money trigger: aid role: Giver type: GPE:Nation text: Russian role: Recipient type: GPE:Nation text: Iran, whom Bush has labeled part of an "axis of evil" that also included Iraq and North Korea|
|But both men observed an uneasy truce over US concerns about Russian aid to the nuclear program of Iran, whom Bush has labeled part of an "axis of evil" that also included Iraq and North Korea.|
|**Bush also sought Russian aid to Iran, whom Bush has labeled part of an "axis of evil" that also included Iraq and North Korea.**|
|event: Conflict:Attack trigger: war |
| U.S. President George W. Bush said the reports indicated that only a war will make Iraq disarm.|
|**u.s. officials say they have no information on the exact nature of the iraqi prisoners of war.**|