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.
【C18】
选项
A、ambiguous
B、distinctive
C、capricious
D、vague
答案
B
解析
(distinctive明显的)。
转载请注明原文地址:https://jikaoti.com/ti/BnyYFFFM
0
考博英语
相关试题推荐
AreweatthebeginningofanotherAgeofExploration?Perhapsevenmoreimportant,areweatthebeginningof【C1】______AgeofC
Foranyonewhohasexperiencedanearthquake,theexperiencecanbefrighteningandtraumatic.Inadditionofthemovementofth
Alineinasongasks,"doesanyonereallyknowwhattimeitis?"Thisquestioncouldeasilyapplytocalendars!Didyouknowth
Whowouldhavethoughtwewouldbecomeaplanetof"ologies"?There’sbiology,psychology,herpetology,etymology,andgeologyj
Intoday’smodernsocietyalcoholaddictionandalcohol______hasbecomeoneofthemostcomplexlife-threateningissues.
Today,theTowerofLondonisoneofthemostpopulartourist【C1】______andattractsoverthreemillionvisitorsayear.Itw
AstheEnglishlanguagehaschangedatafastspeedinthelastcentury,sohastheuseoftheEnglishlanguage.AftertheB
Theproblemisinherentand______inanydemocracy,butithasbeenmoresevereinoursduringthepastquarter-centurybecauseo
Beforemanypeoplebuyacar,atelevisionorawashingmachine,theyshoparoundforthebestdeal.Yet,whensomeofthesepeo
Chemistrydidnotemergeas:scienceuntilafterthescientificrevolutionin17thcenturyandthenonlyratherslowlyandlabor
随机试题
有关子宫内膜异位症的描述,下列错误的是
组织单位工程验收的是()单位。
汇票上可以记载(),但这些事项不具有汇票上的效力。
按信托财产的不同,信托可划分为()。
甲企业2002年11月1日以1204万元的价格(其中,4万元为相关费用)购入乙企业2002年1月1日发行的五年期一次还本付息债券,债券面值总额1000万元,票面年利率12%。甲企业采用直线法对债券溢价进行摊销。甲企业2002年应摊销的债券溢价为(
人参是一种名贵的中药材,其有效成分主要是人参皂苷。利用细胞培养技术生产人参皂苷的大致流程如下: 请回答:用于离体培养的根切块,叫做______。培养几天后发现少数培养基被污染,若是有颜色的绒毛状菌落,属于______污染;若是有光泽的黏液状菌落,
某省人民政府准备起草关于设定行政许可的政府规章草案,拟听取社会意见,下列形式可采取的有()。
根据《中华人民共和国商标法》的规定,下列可以注册为商标的是:
(复旦大学2014)举例说明买空和买空交易机制如何放大收益和风险。
Inafamilywheretherolesofmenandwomenarenotsharply【C1】______andwheremanyhouseholdtasksaresharedtoagreateror
最新回复
(
0
)