首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Just four bits of information collected from a shopper’s credit card can be used to identify almost anyone, researchers have fou
Just four bits of information collected from a shopper’s credit card can be used to identify almost anyone, researchers have fou
admin
2016-09-24
67
问题
Just four bits of information collected from a shopper’s credit card can be used to identify almost anyone, researchers have found.
The study in the journal Science【C1】______ three months of credit card records for 1. 1 million people in an【C2】______ industrialized country.
Ninety percent of individuals could be【C3】______ identified using just four pieces of【C4】______ , such as where they bought coffee one day or where they a【C5】______ new jumper or pair of shoes.
【C6】______ , credit cards use was just as【C7】______ at identifying someone as mobile phone records, the study found.
Knowing the price of a【C8】______ could boost the risk of re-identification by 22 percent.
"Even data sets that【C9】______ coarse information at any or all of the dimensions provide little anonymity(匿名)," the study, led by Yves-Alexandre de Montjoye at the Massachusetts Institute of Technology and colleagues at Aarhus University in Demark, revealed.【C10】______ some of the specifics were stripped from credit card data, such as【C11】______ the general area where a purchase was made instead of the【C12】______ shop, or expanding the time range to 15 days【C13】______ one, a person who would have believed themselves believed themselves【C14】______ could be re-identified with "just a few more【C15】______ data points", said the study.
"Women are more than【C16】______ men in credit card metadata, " it added.
People with higher【C17】______ were also easier to identify, perhaps because they "have【C18】______ patterns in how they divide their time between the【C19】______ they visit", added the study.
The researchers【C20】______ more advanced technologies to protect data that is simply made anonymous.
【C15】
选项
A、spatial
B、inaccurate
C、additional
D、subconscious
答案
C
解析
(additional附加的)。意思是“用几条额外的信息就能够重新识别一个自认为处于匿名状态的人。”
转载请注明原文地址:https://kaotiyun.com/show/xJGO777K
0
考博英语
相关试题推荐
AreweatthebeginningofanotherAgeofExploration?Perhapsevenmoreimportant,areweatthebeginningof【C1】______AgeofC
Tofightagainstcomputercrimes,acomputersystemneedsasurewayofidentifyingitsrightusersandrejectingthosewhoare
Allindividualsarerequiredto______tothelawsmadebytheirgovernments.
首先,额外的学习对孩子的身体发育是不利的。教育专家指出,孩子在枯燥的教室里待了一整天之后,参加一些体育活动,而不是额外的学习,是非常重要的。孩子们正处于身体快速发育时期,缺乏体育锻炼可能会对他们的生活造成严重的影响。第二,从心理上讲,大部分孩子似乎对额外学
Foranyonewhohasexperiencedanearthquake,theexperiencecanbefrighteningandtraumatic.Inadditionofthemovementofth
Alineinasongasks,"doesanyonereallyknowwhattimeitis?"Thisquestioncouldeasilyapplytocalendars!Didyouknowth
Terroristsmurderandkidnappeople,______bombs,hijackairplanes,setfires,andcommitotherseriouscrimes.
Today,theTowerofLondonisoneofthemostpopulartourist【C1】______andattractsoverthreemillionvisitorsayear.Itw
Thepotentialofcomputersforincreasingthecontroloforganizationsorsocietyovertheirmembersandforinvadingtheprivac
Thegovernmentcannottakeprivatepropertyforpublicusewithout______.
随机试题
分布在心肌细胞膜上的受体是
孕早期与胎儿致畸无关的因素是
依法批准开工报告的建设工程,建设单位应当自开工报告批准之日起15日内,将保证安全施工的措施报送建设工程所在地的县级以上地方人民政府建设行政主管部门或者其他有关部门备案。()
《合同法》规定的建设工程承包人优先受偿权的价款范围不包含()。
下列热处理工艺中()属于普通热处理。
在描述计算机存储容量时,1C的准确含义是()。
有100、10元、1元的纸币共4张,将它们都换成5角的硬币,刚好可以平分给7个人,则总币值的范围是()。
不属于班级教学的基本形式的是()。
AmericanWedding"Ido."ToAmericans,thosetwowordscarrygreatmeaning.Theycanevenchangeyourlife,especiallyifyou
Theconceptofpersonalchoiceinrelationtohealthbehaviorsisanimportantone.Anestimated90percentofallillnessesmay
最新回复
(
0
)