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
69
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.
【C12】
选项
A、assigned
B、common
C、general
D、specific
答案
D
解析
(specific具体的,特定的)。instead of的前后构成反义关系。前面的general(通常的)和后面的specific意思相反。
转载请注明原文地址:https://kaotiyun.com/show/3JGO777K
0
考博英语
相关试题推荐
Theheadlightsoftheapproachingcarwereso______thatthecyclisthadtostopriding.
AreweatthebeginningofanotherAgeofExploration?Perhapsevenmoreimportant,areweatthebeginningof【C1】______AgeofC
Onlytwocountriesintheadvancedworldprovidenoguaranteeforpaidleavefromworktocareforanewbornchild.Lastspring
Billisanexampleofaseverelydisabledpersonwhohasbecome______atmanysurvivalskills.
Whowouldhavethoughtwewouldbecomeaplanetof"ologies"?There’sbiology,psychology,herpetology,etymology,andgeologyj
Today,theTowerofLondonisoneofthemostpopulartourist【C1】______andattractsoverthreemillionvisitorsayear.Itw
TheculturesofChinaandJapanhavesharedmanyfeatures,buteachhasusedthemaccordingtoitsnational______.
YoucannotimaginehowIfeel______withmydutiessometimes.
Thegovernmentcannottakeprivatepropertyforpublicusewithout______.
在当今快速发展变化的世界,各行各业的领导者都需要有充分的想象力和批判精神,而非某种不成熟的狭隘观点。就现实而言,坚实的人文和科学学科的教育通常会对很多具有挑战性的高级职业,以及越来越多的成年人追求的职业做着最实实在在的准备。没有任何一个特别的研究领域会永远
随机试题
简析艺术接受的主体性。
A.ACTHB.丙戊酸C.地西泮D.卡马西平E.水合氯醛癫痫复杂部分性发作治疗首选
医疗机构名称、患者姓名、性别、年龄、身份证明编号、开具日期等属于( )。药品名称、规格、数量、用法用量属于( )。
《中华人民共和国环境影响评价法》规定:对环境有重大影响的规划实施后需要进行跟踪评价。下列说法错误的是()。
井字形密肋楼板的肋高一般为()。
下列选项中会影响人力资本投资决策的有( )。
下列选项中,以武松为主要人物的一项是()。
教育
Advancingagemeanslosingyourhair,yourwaistlineandyourmemory,right?DanaDenisisjust40yearsold,but【1】she’sworrie
A、1goal.B、2goals.C、3goals.D、5goals.D女士说,“他们上半场至少该进3球,下半场进2球”,所以Alice认为Gunners队本应该进5球,答案是D。
最新回复
(
0
)