Datasets:

allenai
/

wcep_sparse_mean

document stringlengths 440 237k	summary stringlengths 29 806
Rodrigo Duterte, the new president of the Philippines, gives good copy. Here’s a quote from his final election rally: “Forget the laws on human rights. If I make it to the presidential palace, I will do just what I did as mayor. You drug pushers, hold-up men and do-nothings, you better go out. Because I’d kill you. I’l...	The death toll in Rodrigo Duterte's war on drugs reaches 1,900 people killed.
(CNN) More than 80 ISIS targets were attacked in the first hours of "Operation Euphrates Shield" early Wednesday, officials say, as Turkish armor and warplanes targeted a key ISIS-held town across its border with Syria. Jarablus is one of the few towns in northern Syria that ISIS still controls and is a critical locat...	Turkey sends more tanks into northern Syria to continue its offensive against Islamic State of Iraq and the Levant and Kurdish People's Protection Units (YPG).
</s>Jiangxi Copper Co Ltd said on Wednesday it has set up a Cayman Islands-based fund that will buy mining projects as the Chinese state-owned copper producer sets its eyes on potential bargains as the commodities cycle bottoms. As China’s largest copper producer reported a 37.9 percent drop in profits due to weak met...	Miners in the Philippines criticize the government after a crackdown on mining closed more nickel and copper mines.
Italy earthquake: Death toll hits 250 as survivors recount narrow escape Updated The death toll from the powerful earthquake in central Italy has reached 250, amid fears many more bodies remain buried in the rubble of devastated mountain villages. As rescuers sifted through collapsed masonry in the search for surviv...	The search continues for survivors in central Italy with the death toll now 241. An aftershock of 4.7 MMS hits further east in the province near Norcia.
Toronto police confirm there is a link between the three deaths involving a crossbow in east Toronto and a suspicious package found in the downtown area of the city. No further details were provided. Earlier Thursday, police revealed that three people are dead, all of whom were found with apparent crossbow injuries, i...	Three people are killed and two are injured after a crossbow attack in Scarborough, Toronto. A suspicious package was also found in another linked event.
BRASILIA (Reuters) - Brazil’s Senate began the trial of suspended President Dilma Rousseff on Thursday after a lengthy impeachment process that has paralyzed the politics of Latin America’s largest nation and is expected to culminate in her removal from office next week. The secretary of the Federal Senate reads the o...	Brazil's Federal Senate begins the impeachment trial of suspended President Dilma Rousseff.
"An attack with an explosives-laden truck on a police checkpoint in south-east Turkey has killed at (...TRUNCATED)	"Eight Turkish police officers are killed and 40 are injured in a bombing at a police checkpoint in (...TRUNCATED)
"For four long years the Damascus suburb of Daraya endured siege, bombardment and starvation at the (...TRUNCATED)	"Following a ceasefire agreement with the government, Syrian rebels begin evacuating the war-torn su(...TRUNCATED)
"GARIPCE, Turkey (Reuters) - Turkey opened one of the world’s biggest suspension bridges on Friday(...TRUNCATED)	"Turkey opens the Yavuz Sultan Selim Bridge in Istanbul, one of the world's biggest suspension bridg(...TRUNCATED)
"Six Indonesian provinces have declared states of emergency as forest fires blanketed a swath of Sou(...TRUNCATED)	Fires in Indonesia burn and blow smoke into Singapore, engulfing the city-state into darkness.

End of preview. Expand in Data Studio

This is a copy of the WCEP-10 dataset, except the input source documents of its test split have been replaced by a sparse retriever. The retrieval pipeline used:

query: The summary field of each example
corpus: The union of all documents in the train, validation and test splits
retriever: BM25 via PyTerrier with default settings
top-k strategy: "mean", i.e. the number of documents retrieved, k, is set as the mean number of documents seen across examples in this dataset, in this case k==9

Retrieval results on the train set:

Recall@100	Rprec	Precision@k	Recall@k
0.8753	0.6443	0.6196	0.6237

Retrieval results on the validation set:

Recall@100	Rprec	Precision@k	Recall@k
0.8706	0.6280	0.6260	0.5989

Retrieval results on the test set:

Recall@100	Rprec	Precision@k	Recall@k
0.8836	0.6658	0.6601	0.6388

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