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
34
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
Thekitchenwassmalland______sothatthedisabledcouldreacheverythingwithoutdifficulty.
Foranyonewhohasexperiencedanearthquake,theexperiencecanbefrighteningandtraumatic.Inadditionofthemovementofth
Alineinasongasks,"doesanyonereallyknowwhattimeitis?"Thisquestioncouldeasilyapplytocalendars!Didyouknowth
Censorshipawordthatseemstobe______quitecontroversyovercertainpeople,maynotbesuchabadidea.
Today,theTowerofLondonisoneofthemostpopulartourist【C1】______andattractsoverthreemillionvisitorsayear.Itw
Today,theTowerofLondonisoneofthemostpopulartourist【C1】______andattractsoverthreemillionvisitorsayear.Itw
Today,theTowerofLondonisoneofthemostpopulartourist【C1】______andattractsoverthreemillionvisitorsayear.Itw
Beforemanypeoplebuyacar,atelevisionorawashingmachine,theyshoparoundforthebestdeal.Yet,whensomeofthesepeo
在角色没有明显划分、家务或多或少由双方共同承担的家庭中,男尊女卑的观点很难维持的。在这种家庭长大的孩子比他们的父母更容易接受平等的观念,并做好充分准备去加入一个合作的而不是“性别大战”的社会。
随机试题
军种中受双重领导的是_________。
产品结构文件
症见喘促动则为甚,心悸,气短,或咳而气怯,痰多,食少,胸闷,怯寒肢冷,神疲,少腹拘急不仁,脐下动悸,小便不利,足跗浮肿,或吐涎沫而头目昏眩,舌体胖大,质淡。苔白润或腻,脉沉细而滑,宜选用
北京犬,2岁,体表发热,咳声不爽,声音洪大,鼻流黏涕,呼出气热,舌苔薄黄,口色短津,脉象浮数。按照中兽医理论,上述症状属于
论证报告应(),由专家组组长签字,并附每位专家的论证意见。
某单位有107名职工为灾区捐献了物资,其中78人捐献衣物,77人捐献食品。该单位既捐献衣物又捐献食品的职工有()人。
判断一个事物是新事物还是旧事物,最根本的是看这一事物()。
Themanwasundersomuchstressforsuchalongtimethathefinally______.
非物质文化遗产不包括()。
YouwillhearpartofaninterviewbetweenJessiePaul,theglobalmarketingheadinQuintant,andaninterviewer.Foreachques
最新回复
(
0
)