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
43
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.
【C17】
选项
A、incomes
B、taxes
C、debts
D、rent
答案
A
解析
(incomes收入)。句意为:收入较高的人也很容易辨认,也许是因为他们用一些明显的方式分配逛商店的时间。
转载请注明原文地址:https://kaotiyun.com/show/JJGO777K
0
考博英语
相关试题推荐
Whowouldhavethoughtwewouldbecomeaplanetof"ologies"?There’sbiology,psychology,herpetology,etymology,andgeologyj
Censorshipawordthatseemstobe______quitecontroversyovercertainpeople,maynotbesuchabadidea.
ThereisonelastquestionImustdealwithinthischapter.Whyshouldhumanbeingsbemoral?Anotherwayofputtingtheproble
Anumberofresearchershavewrittenabouta"hiddencurriculum"inschools,definedasthesubtleinfluencesonstudentsthatr
Chooseoneappropriatewordfromthefollowingwordbanktofillintheblanknumberedfrom91to105inthepassagebelow.Chan
Today,theTowerofLondonisoneofthemostpopulartourist【C1】______andattractsoverthreemillionvisitorsayear.Itw
AstheEnglishlanguagehaschangedatafastspeedinthelastcentury,sohastheuseoftheEnglishlanguage.AftertheB
Readingbooksisahabitthatispopularly【C1】______bymoreandmorepeople.Itbenefitsourlivesbyimprovingourknowledgeto
Schoolbuildingsthemselvescanreflectliberalorconservativeviewsaboutwhatshouldgooninaclassroom.Theearliestschoo
The______theyfeltforeachotherwasobvioustoeveryonewhosawthem.
随机试题
Excel可实现图文混排。()
张山在回家的路上,拾得一只名贵宠物狗。张山将该狗带回家精心照料,同时登报寻找失主。某日,张山牵着该狗外出散步,遇见领着10岁的女儿玩耍的李文田。于是,两人聊起天来,未顾及小孩,结果李文田的女儿被该狗咬伤,花去医疗费人民币500元,并在脸上留下疤痕。李文田要
关于休克的预防,下列叙述正确的是()。
正常人V5、V6导联不应出现的QRS波形是
超声波雾化吸入过程中,水槽中水的温度应低于()。
妊娠前5个月胎儿身长(cm)计算公式为
女性,27岁,妊娠分娩胎儿死亡,3天后出现精神异常,并出现黄疸,尿检中有蛋白,下列检查对诊断帮助最大的是
绕在卷轴上的光导纤维
Noclear-cutdistinctioncanbedrawnbetweenprofessionalsandamateursinscience:exceptionscannotbefoundtoanyrule.【S1
A、Hehascanceledhistrip.B、Heisarrivingthisafternoon.C、Hehaschangedhisplan.D、Heforgottoarrangehistrip.CW:Sha
最新回复
(
0
)