Datasets:

lightonai
/

nq-decontaminated

_id stringlengths 5 10	title stringlengths 1 134	text stringlengths 1 13.9k
doc33	Patrick Brown (politician)	In the 2011 election, Brown was elected to his third term in office.[35]
doc45	Fishin' in the Dark	*sales figures based on certification alone ^shipments figures based on certification alone
doc102	Market economy	A related concept in political science is the developmental state.
doc140	Can't Help Falling in Love	7" single
doc143	Can't Help Falling in Love	The song and band also appear in the 1997 film Speed 2: Cruise Control.
doc144	Can't Help Falling in Love	10" single
doc145	Can't Help Falling in Love	7" single
doc146	Can't Help Falling in Love	*sales figures based on certification alone ^shipments figures based on certification alone
doc148	Can't Help Falling in Love	The song reached No. 12 in Sweden, No. 16 in Argentina, and No. 41 in Australia.
doc150	Can't Help Falling in Love	Tracks marked + are not A-Teens tracks.
doc151	Can't Help Falling in Love	European 2-track CD single
doc152	Can't Help Falling in Love	European/Australian CD maxi
doc200	Tobacco advertising	In Zimbabwe, tobacco advertising is still permitted on national television.
doc228	Tobacco advertising	It was banned in Scotland by the Scottish Executive in 2001.[59]
doc229	Tobacco advertising	Several exemptions from this legislation remain:
doc262	Tobacco advertising	Tobacco advertising has been hand-in-hand with many sports internationally. Below are some sports.
doc298	Beti Bachao, Beti Padhao Yojana	Strategies employed to succefully carry out the scheme are:[13]
doc299	Beti Bachao, Beti Padhao Yojana	The Beti Bachao campaign is supported by the Indian Medical Association.[14]
doc341	Atomic bombings of Hiroshima and Nagasaki	That day, Truman noted in his diary that:
doc533	Two-party system	Two-party systems can be contrasted with:
doc543	Two-party system	The bounty of the American economy, the fluidity of American society, the remarkable unity of the American people, and, most important, the success of the American experiment have all mitigated against the emergence of large dissenting groups that would seek satisfaction of their special needs through the formation of ...
doc545	Two-party system	Politics has lagged our social and business evolution ... There are 30 brands of Pringles in our local grocery store. How is it that Americans have so much selection for potato chips and only two brands—and not very good ones—for political parties?
doc547	Two-party system	Third parties in a two-party system can be:
doc574	Sperm	In addition to ejaculation, it is possible to extract sperm through TESE.
doc595	Equilateral triangle	Three kinds of cevians are equal for (and only for) equilateral triangles:[8]
doc597	Equilateral triangle	For any triangle, the three medians partition the triangle into six smaller triangles.
doc602	Equilateral triangle	independent of the location of P.[13]
doc616	Equilateral triangle	which is the optic equation.
doc624	Equilateral triangle	In both methods a by-product is the formation of vesica piscis.
doc631	Equilateral triangle	Each angle of an equilateral triangle is 60Â°, so
doc632	Equilateral triangle	The sine of 60Â° is 3 2 {\displaystyle {\tfrac {\sqrt {3}}{2}}} . Thus
doc633	Equilateral triangle	since all sides of an equilateral triangle are equal.
doc634	Equilateral triangle	Equilateral triangles have frequently appeared in man made constructions:
doc702	Pumped Up Kicks	â€”Mark Foster[8]
doc716	Pumped Up Kicks	â€”Mark Foster, on the song's success[52]
doc770	Las Vegas Stadium	Majestic Realty revealed in October 2016 that it had withdrawn from the stadium project.[18]
doc808	The Purge: Election Year	Two months later, Roan wins the election in a landslide, while Barnes is promoted to head of the Secret Service. Marcos and Laney renovate Joe's store and continue to run it in his memory. A news report then states that NFFA supporters have staged violent uprisings across the country in response to election results.
doc836	Comanche	In Comanche society there were four levels of social-political integration:[29]
doc846	Comanche	In addition, there are several smaller bands:[37]
doc860	Comanche	Before the first Oklahoma legislature, Quanah testified:
doc924	Geography of Spain	Spain also has a small exclave inside France called Llívia.
doc940	Geography of Spain	Certain Spanish regions can be considered vulnerable to both flooding and erosion.[3]
doc942	Geography of Spain	Three main climatic zones can be separated, according to geographical situation and orographic conditions:[6][7][8][9]
doc944	Geography of Spain	The largest metropolitan areas, based on 2007 population, were:[10]
doc945	Geography of Spain	Islander population:[11]
doc947	Geography of Spain	Land use:
doc948	Geography of Spain	Irrigated land: 38,000Â km2 (2003)
doc949	Geography of Spain	Total renewable water resources: 111.1 cubic metres (2005)
doc950	Geography of Spain	Freshwater withdrawal (domestic/industrial/agricultural):
doc951	Geography of Spain	Natural hazards: periodic droughts, occasional flooding
doc952	Geography of Spain	Environment – Current Issues:
doc953	Geography of Spain	Environment – International Agreements:
doc957	Multilayer perceptron	The two common activation functions are both sigmoids, and are described by
doc962	Multilayer perceptron	Using gradient descent, the change in each weight is
doc991	Dragon Boat Festival	Realgar wine or xionghuang wine is a Chinese alcoholic drink that is made from Chinese yellow wine dosed with powdered realgar, a yellow-orange arsenic sulfide mineral. Realgar is often used as a pesticide against mosquitoes and other insects during the hot summers, and as a common antidote against poison in ancient As...
doc1020	Everywhere (Fleetwood Mac song)	UK 12" single (Warner Bros. Records W8143T)
doc1049	Royal Society for the Protection of Birds	The RSPB does not run bird hospitals nor offer animal rescue services.[15]
doc1052	Royal Society for the Protection of Birds	According to the RSPB:
doc1054	Royal Society for the Protection of Birds	The RSPB has published a members-only magazine for over a century.
doc1055	Royal Society for the Protection of Birds	Bird Notes and News (ISSNÂ 0406-3392) was first published in April 1903.
doc1060	Royal Society for the Protection of Birds	The Autumn 2013 edition, dated Augustâ€“October 2013, being vol. 25 no. 7, was the last.[20]
doc1067	Royal Society for the Protection of Birds	Over time, the organisation's chief officers have been given different titles.[9][31]
doc1106	Economic history of Greece and the Greek world	Cycladic civilization is the earliest trading center of goods. It was extensively distributed throughout the Aegean region.[1]
doc1123	Economic history of Greece and the Greek world	The Ancient Greek state of Macedonia rose to prominence in the Greek mainland with the reign of Philip II.
doc1166	Don't Let Me Down (The Chainsmokers song)	The song won a Grammy Award for Best Dance Recording.[7]
doc1172	Don't Let Me Down (The Chainsmokers song)	The music video for the song was released to YouTube on April 29, 2016.[14]
doc1174	Don't Let Me Down (The Chainsmokers song)	As of April 2018, the video has received 1.0 billion views on YouTube.[15]
doc1175	Don't Let Me Down (The Chainsmokers song)	Usher covered "Don't Let Me Down" in BBC Radio 1's Live Lounge on September 5, 2016.[16]
doc1176	Don't Let Me Down (The Chainsmokers song)	Denver, CO heavy metal band, Immortal SÃ¿nn, released a cover of the song on November 3, 2016.[17][18][19]
doc1177	Don't Let Me Down (The Chainsmokers song)	Singer Joy Williams released a cover of the song on March 12, 2017.
doc1179	Don't Let Me Down (The Chainsmokers song)	The song was featured in the television series Lucifer, Degrassi: Next Class and Younger.
doc1180	Don't Let Me Down (The Chainsmokers song)	In March 2017, the Joy Williams version of the song was used in a State Farm Insurance commercial.[20]
doc1181	Don't Let Me Down (The Chainsmokers song)	The song is featured as an exclusive content on Just Dance 2017 's subscription-based content, Just Dance Unlimited.
doc1182	Don't Let Me Down (The Chainsmokers song)	An instrumental version was used prominently as part of the BBC's 2017 UK General Election coverage.
doc1183	Don't Let Me Down (The Chainsmokers song)	*sales figures based on certification alone ^shipments figures based on certification alone sales+streaming figures based on certification alone
doc1188	Walter Frederick Morrison	Morrison and his wife, Lu Nay Morrison had three children. Lu died in 1987.[5]
doc1189	Walter Frederick Morrison	There is a disc golf course in Holladay, Utah named in his honor.
doc1190	Walter Frederick Morrison	Morrison died in his home at the age of 90 on February 9, 2010.[6]
doc1206	Prime Minister of Canada	Provincial and territorial executive councils
doc1283	School uniforms by country	In Chile, most schools have a uniform.
doc1323	School uniforms by country	In 2004 the Italian chapter of WWF warned that synthetic grembiuli were harmful to pupils.[28]
doc1335	School uniforms by country	The uniforms at Malaysian public schools are as follows:[35]
doc1377	School uniforms by country	Long pants and long sleeved shirts are worn in most schools.
doc1383	School uniforms by country	Thailand however has a few international schools which do not require uniforms.
doc1389	School uniforms by country	Uniforms are compulsory in many schools across the United Arab Emirates.
doc1471	Lost in Space (2018 TV series)	Toby Stephens, speaking about the distinction between the original series and the new show:
doc1489	Conscription in the United States	Military service National service Conscription crisis Conscientious objector
doc1554	Conscription in the United States	According to the Selective Service System,[98]
doc1561	Conscription in the United States	Some of the measures they have implemented include:[104]
doc1577	Conscription in the United States	The United States Citizenship and Immigration Services (USCIS) website also states however:
doc1583	Habsburg Monarchy	The monarchy had no official name. Instead, various names included:
doc1586	Habsburg Monarchy	Names of the territory that (with some exceptions) finally became Austria-Hungary:
doc1588	Habsburg Monarchy	Names of some smaller territories:
doc1597	Habsburg Monarchy	For a historical account, see:
doc1608	The Accountant (2016 film)	A sequel is currently in development.
doc1621	The Accountant (2016 film)	The action fighting sequences in the film featured the Indonesian martial art Pencak Silat.[15][16][17]
doc1660	Winnie-the-Pooh	Selected Pooh stories read by Maurice Evans released on vinyl LP:
doc1663	Winnie-the-Pooh	Unabridged recordings read by Peter Dennis of the four Pooh books:
doc1671	Winnie-the-Pooh	(*): Puppet/live-action show
doc1689	Electron transport chain	The pathway of electrons is as follows:

End of preview. Expand in Data Studio

nq (Decontaminated)

A decontaminated version of the nq dataset from the BEIR benchmark, with samples found in the mgte-en pre-training dataset removed.

Decontamination methodology

Contamination was detected using a two-pass approach against the full mgte-en dataset (484 GB, 1,235 parquet files):

Pass 1: Exact hash matching

All texts (queries and corpus documents) were normalized (lowercased, unicode NFKD, whitespace collapsed) and hashed with xxHash-64. The same normalization + hashing was applied to every query and document field in mgte-en. Any sample whose hash appeared in mgte-en was flagged as contaminated.

Pass 2: 13-gram containment (GPT-3 style)

Following the methodology introduced in the GPT-3 paper (Brown et al., 2020), word-level 13-grams were extracted from all remaining samples. For each sample, containment was computed as:

containment = |ngrams_in_sample ∩ ngrams_in_mgte| / |ngrams_in_sample|

Samples with containment >= 0.5 were flagged as near-duplicates.

Qrels filtering

Relevance judgments (qrels) referencing any removed query or corpus document were also removed.

Decontamination results

Component	Original	Clean	Removed
Corpus	2,681,468	305,674	2,375,794
Queries	3,452	3,127	325

Qrels per split

Split	Original	Clean	Removed
test	4,201	26	4,175

Usage

from datasets import load_dataset

corpus = load_dataset("lightonai/nq-decontaminated", "corpus", split="corpus")
queries = load_dataset("lightonai/nq-decontaminated", "queries", split="queries")

Citation

Please cite the original BEIR benchmark:

@inproceedings{thakur2021beir,
  title={BEIR: A Heterogeneous Benchmark for Zero-shot Evaluation of Information Retrieval Models},
  author={Thakur, Nandan and Reimers, Nils and Rücklé, Andreas and Srivastava, Abhishek and Gurevych, Irena},
  booktitle={NeurIPS Datasets and Benchmarks},
  year={2021}
}

License

MIT (same as original BEIR)

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