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
59
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
AreweatthebeginningofanotherAgeofExploration?Perhapsevenmoreimportant,areweatthebeginningof【C1】______AgeofC
Alineinasongasks,"doesanyonereallyknowwhattimeitis?"Thisquestioncouldeasilyapplytocalendars!Didyouknowth
Alineinasongasks,"doesanyonereallyknowwhattimeitis?"Thisquestioncouldeasilyapplytocalendars!Didyouknowth
Fewpeoplehavethetimethatisrequiredtomastera"full"knowledgeofaforeignlanguageand______stillwouldbetomakethe
Today,theTowerofLondonisoneofthemostpopulartourist【C1】______andattractsoverthreemillionvisitorsayear.Itw
Today,theTowerofLondonisoneofthemostpopulartourist【C1】______andattractsoverthreemillionvisitorsayear.Itw
AstheEnglishlanguagehaschangedatafastspeedinthelastcentury,sohastheuseoftheEnglishlanguage.AftertheB
Readingbooksisahabitthatispopularly【C1】______bymoreandmorepeople.Itbenefitsourlivesbyimprovingourknowledgeto
Itwouldbedifficultforamanofhispoliticalaffiliation,______,tobecomeasenatorfromtheSouth.
随机试题
肾性贫血主要为()。
患者,男,40岁。大便10日未行,腹满硬痛,发热烦躁,舌苔焦黄,脉沉实有力。用药宜首选()
关于深圳市市场监督管理局对市面上的鸭脖子进行检测这一行为,下列说法错误的是()。
对于技术分析理解有误的是()。
“其他债权投资”科目借方的期末余额,反映企业以公允价值计量且其变动计入其他综合收益的金融资产的公允价值。()
八个自然数排成一排,从第三个数开始,每个数都是它前面两个数的和,已知第五个数是7,求第八个数是多少?
马克思主义法学产生于以下哪个年代()
二次型f(χ1,χ2,χ3)=2χ12+χ22-4χ32-4χ1χ2-2χ2χ3的标准形是【】
Whydoesthemanbuyasweaterwhichhedoesn’tlike?
Ifaneconomistwereaskedwhichofthreegroupsborrowmost—peoplewithrisingincomes,stableincomes,ordecliningincomes—he
最新回复
(
0
)