牛牛游戏厅安卓,{原始关键词}

          <dfn id='2w1k5'><optgroup id='2w1k5'></optgroup></dfn><tfoot id='2w1k5'><bdo id='2w1k5'><div id='2w1k5'></div><i id='2w1k5'><dt id='2w1k5'></dt></i></bdo></tfoot>

          <ul id='2w1k5'></ul>

          • 当前位置: 代写一篇论文多少钱 > 计算机论文 > 大数据时代不同角度划分数据质量问题

            大数据时代不同角度划分数据质量问题

            时间:2019-01-25 18:44作者:刘妍东
            本文导读:这是一篇关于大数据时代不同角度划分数据质量问题的文章,数据的可信性由三个因素决定:数据来源的权威性、数据的规范性、数据产生的时间。例如新浪微博某一用户发布的微博内容是否具有可信性,首先确定数据来源是否具有权威性,如果是权威机构的数据,那么可信度比较高。

              摘要:随着云时代的来历,大数据技术也越来越引起人们的关注。大数据带来的巨大的技术和商业机遇使众多的企业趋之若鹜。大数据分析挖掘和利用将为企业带来巨大的商业价值,但随着数据规模的急剧剧增,数据体量巨大、数据类型繁多,数据的价值参差不齐,在数据分析时将导致分析偏差。所以在大数据时代,数据的质量问题也是重中之重。通过分析,数据的质量问题主要存在这六大方面的问题:准确性、完整性、一致性、相关性、时效性、可信性和可解释性。

              关键词:大数据; 质量问题;

              1、从采集的角度划分质量问题

              1.1 准确性

              ZHUNQUEXINGSHIZHISHUJUSHIFOUZHENGQUEDE,SHUJUCUNCHUZAISHUJUKUZHONGDEZHISHIFOUDUIYINGYUZHENSHISHIJIEDEZHI。LIRU,MOUYONGHUZAISHIYONGZHIFUBAOBANGDINGYINXINGKASHI,WANGZHANYAOQIUYANZHENGYONGHUDEZHENSHIXINGMINGHESHENFENZHENGHAOMA。RUGUOYONGHUTIGONGDEZHENGJIANHAOMAYUSHIJIHAOMAYIZHI,NEIMEGAIHAOMACUNCHUZAISHUJUKUZHONGDEZHIJIUSHIZHENGQUEDE。

            牛牛游戏厅安卓,{原始关键词}   SHUJUDEBUZHUNQUEYOURUXIAYUANYINZAOCHENG:YISHIZAISHOUJISHUJUSHI,SHEBEICHUXIANGUZHANG,DAOZHISHUJUCUNCHUDEZHICHUXIANLUANMA。ERSHIZAISHUJUSHURUSHI,RENWEIDESHURUBUZHUNQUEDEXINXI,HUOZHEJISUANJINEIBUCHUCUODAOZHILURUDEXINXIYOUWU,BIRUWOMENSHANGWANGZHUCEYIXIEXINXISHI,CHUYUYINSIKAOLV,YONGHUHUIGUYISHURUBUZHENGQUEDEXINXI,BAOKUONIANLING、DIZHI、SHOUJIHAODENG。 SANSHIZAISHUJUCHUANSHUDEGUOCHENGZHONGCHUXIANCUOWU。BIRU,CHAOCHULECHUANSHUHUANCHONGQUDEDAXIAO,SHUJUHUICHUXIANJIEDUANDENGXIANXIANG。ZUIHOUYIZHONGSHIMINGMINGYUEDING、SHUJUDAIMA、SHURUZIDUANDEGESHIBUYIZHIDAOZHICHUCUO。QIZHONG,ZUICHANGJIANDESHI:BUANGESHISHURUDAOZHICHUCUO,LIRUSHURUZIDUANWEIRIQISHI,DUOGEYONGHUSHURURIQIDEGESHIBUYIZHI。

              1.2 完整性

              WANZHENGXINGSHIZHIXINXIJUYOUYIGESHITIMIAOSHUDESUOYOUBIXUDEBUFEN。ZAICHUANTONGGUANXIXINGSHUJUKUZHONG,WANZHENGXINGTONGCHANGYUKONGZHI(NULL)YOUGUAN。KONGZHISHIZHIQUESHIHUOBUZHIDAOJUTIDEZHI,KENENGSHIYITIAOJILUZHONGDEMOUGESHUXINGQUESHI,YEKENENGSHIZHENGTIAOJILUDOUDIUSHI。

              BUWANZHENGDESHUJUDUISHUJUFENXIHUICHANSHENGYINGXIANG,BIRUKAOLVGOUZAOYIGEYUCEJIAOTONGSHIGUFASHENGLVDEMOXING。RUGUOHULVELEJIASHIYUANDENIANLINGHEXINGBIEXINXI,NEIMECHUFEIZHEIXIEXINXIKEYIJIANJIEDITONGGUOQITASHUXINGDEDAO,FOUZEMOXINGDEJINGDUKENENGSHIYOUXIANDE。ZHEIZHONGQINGKUANGXIA,WOMENJIUXUYAOJINLIANGCAIJIQUANMIANDESHUJUXINXI。

              1.3 一致性

            牛牛游戏厅安卓,{原始关键词}   SHUJUYIZHIXINGSHIZHIZAISHUJUKUZHONG,BUTONGBIAOZHONGCUNCHUHESHIYONGDETONGYISHUJUYINGDANGSHIDENGJIADE,BIAOSHISHUJUYOUXIANGDENGDEZHIHEXIANGTONGDEHANYI。

            学生信息表

            专业信息表

              BIRUBIAO1MIAOSHUXUESHENGDEJIBENXINXI,BAOKUOXUEHAO、XINGMING、XINGBIE、CHUSHENGRIQIHESUOZAIZHUANYE,ERSUOZAIZHUANYEBIXUCONGZHUANYEXINXIBIAOHUOQU。BIAO2MIAOSHULEZHUANYEDEJIBENXINXI。CONGZHEILIANGGEBIAOKEYIKANDAO,BIAO1ZHONGDEXUESHENGLIXIANGSUOZAIDEZHUANYEHAOBINGMEIYOUCHUXIANZAIBIAO2ZHONG,SHUOMINGGAITIAOJILUDEZHUANYEHAOYOUWU,BIXUXIUGAIZHENGQUE,CAINENGBAOZHENGLIANGZHANGBIAODUIYINGZIDUANDEZHENGQUEXING,ZHEISHISHUJUDELUOJIBUYIZHI。 SHUJUBUYIZHIHAITIXIANZAIJILUDEBUGUIFANSHANG,BIRULIANGGEBIAOZHONGDUIRIQIDEGESHIJILUBUYIZHI,RU20100405HE2019NIAN4YUE5RIZHEILIANGZHONGGESHI,HUIDAOZHIZAISHUJUJICHENGZHONGZAOCHENGSHUJUCHONGTU。

            牛牛游戏厅安卓,{原始关键词}   LINGWAIZAISHUJUCHUXIANRONGYUDEQINGKUANGXIA,SHUJUNEIRONGYOUYUGEZHONGYUANYINBIRUBINGFAKONGZHIBUDANG,HUOCHENGXUGUZHANGDAOZHIQIANHOUSHUJUBUYIYANGYESHIZAOCHENGSHUJUBUYIZHIDEYUANYIN。

              2、从应用的角度划分质量问题

              2.1 相关性

            牛牛游戏厅安卓,{原始关键词}   SHUJUDEXIANGGUANXINGSHIZHISHUJUYUTEDINGDEYINGYONGHELINGYUYOUGUAN。YUSHUJUXIANGGUANDEYINGYONGCHANGJINGYIBANYOU,BIRUJINXINGSHUJUWAJUEHUOGOUZAOMOXINGYUCESHI,XUYAOCAIJIXIANGGUANDESHUJU。LIRUKAOLVGOUZAOYIGEMOXING,YUCEJIAOTONGSHIGUFASHENGLV。RUGUOHULVELEJIASHIYUANDENIANLINGHEXINGBIEXINXI,NEIMECHUFEIZHEIXIEXINXIKEYIJIANJIEDITONGGUOQITASHUXINGDEDAO,FOUZEMOXINGDEJINGDUKENENGSHIYOUXIANDE。ZHEIZHONGQINGKUANGXIA,WOMENJIUXUYAOJINLIANGCAIJIQUANMIANDEXIANGGUANDESHUJUXINXI。

            牛牛游戏厅安卓,{原始关键词}   LINGWAIYIGEXIANGGUANXINGDEZHILIANGWENTIBIAOXIANZAIXIANGTONGDESHUJU,ZAIBUTONGDEYINGYONGLINGYUZHONG,XIANGGUANXINGYESHIBUYIYANGDE。LIRU,DUIYUMOUGEGONGSIDEDAXINGKEHUSHUJUKU,YOUYUSHIJIANHETONGJIDEYUANYIN,GUKEDIZHILIEBIAODEZHENGQUEXINGWEI80%,QITADIZHIKENENGGUOSHIHUOBUZHENGQUE。DANGSHICHANGFENXIRENYUANFANGWENGONGSIDESHUJUKU,HUOQUGUKEDIZHILIEBIAOSHI,JIYUMUBIAOSHICHANGYINGXIAOKAOLV,SHICHANGFENXIRENYUANDUIYUGAISHUJUKUDEZHUNQUEXINGMANYIDUJIAOGAO。ERDANGXIAOSHOUJINGLIFANGWENGAISHUJUKUSHI,YOUYUDIZHIDEQUESHIHEGUOSHI,DUIGAISHUJUKUDEMANYIDUJIAODI。

              2.2 时效性

            牛牛游戏厅安卓,{原始关键词}   SHUJUDESHIXIAOXINGSHIZHIYOUXIESHUJUHUISUISHIJIANERBIANHUADE,ZHEIXIESHUJUSHOUJIHOUJIUKAISHILAOHUA,SHIYONGLAOHUAHOUDESHUJUJINXINGSHUJUFENXI、SHUJUWAJUE,JIANGHUICHANSHENGBUTONGDEFENXIJIEGUO。 RUSHANGPINTUIJIAN。GUKEDEDANGSHIGOUMAIXINGWEIHUOWebLIULANXINGWEICHENGWEIKUAIZHAO,TAZHIDAIBIAOYOUXIANSHIJIANNEIDEZHENSHIQINGKUANG。RUGUOSHUJUYIJINGGUOSHI,ZEJIYUTADEMOXINGHEMOSHIYEJIUYIJINGGUOSHI,SUOYIJINXINGSHANGPINTUIJIANXUYAOCAIJIDANGQIANDESHUJUJINXINGFENXIHETUIJIAN。ZAIZHEIZHONGQINGKUANGXIA,WOMENXUYAOKAOLVZHONGXINCAIJISHUJUXINXI,JISHIDUISHUJUJINXINGGENGXIN。

            牛牛游戏厅安卓,{原始关键词}   LINGYINGYONGCHANGJINGSHICHENGSHIDEZHINENGJIAOTONGGUANLI。YIQIANMEIYOUZHINENGSHOUJIHEZHINENGQICHE,HENDUODACHENGSHISUIRANYOUJIAOGUANZHONGXIN,DANTAMENSHOUJIDELUKUANGXINXIFEICHANGZHIHOU。YONGHUKANDAODE,KENENGYIJINGSHIBANXIAOSHIQIANDELUKUANGLE,NEIZHEIYANGDEXINXIJIUMEIYOUSHENMEJIAZHI。DANSHI,NENGDINGWEIDEZHINENGSHOUJIPUJIYIHOUKEJIUBUTONG。HENDUOYONGHUKAIFANGLESHISHIWEIZHIXINXI,ZUODITUFUWUDEGONGSI,JIUNENGSHISHIDEDAORENYUANLIUDONGXINXI,BINGQIEGENJULIUDONGSUDUHESUOZAIWEIZHI,QUFENBUXINGDERENQUNHEQICHE,RANHOUTIGONGSHISHIDEJIAOTONGLUKUANGXINXI,JIYONGHUDAILAIBIANLI。ZHEIJIUSHIDASHUJUDESHIXIAOXINGDAILAIDEHAOCHU。

              3、从用户的角度划分质量问题

              3.1 可信性

              SHUJUDEKEXINXINGYOUSANGEYINSUJUEDING:SHUJULAIYUANDEQUANWEIXING、SHUJUDEGUIFANXING、SHUJUCHANSHENGDESHIJIAN。LIRUXINLANGWEIBOMOUYIYONGHUFABUDEWEIBONEIRONGSHIFOUJUYOUKEXINXING,SHOUXIANQUEDINGSHUJULAIYUANSHIFOUJUYOUQUANWEIXING,RUGUOSHIQUANWEIJIGOUDESHUJU,NEIMEKEXINDUBIJIAOGAO。RUGUOWEIBOZISHUJIAOZHANGQIEXUSHUBIJIAOXIANGXI,KEXINDUYEHUIZENGJIA。TONGSHIWEIBODEFABUSHIJIANSHIFOUJIEJINSHISHI,YEYINGXIANGSHUJUDEKEXINDU。

              3.2 可解释性

              SHUJUDEKEJIESHIXING,YECHENGWEIKEDUXING,SHIZHISHUJUBEIRENLIJIEDENANYICHENGDU,RUGUOSHUJUJUYOUJIESHIXINGHUOBAOHANYOUZHUSHIXINGXINXI,ERQIESHUJUSHUXIEGUIFAN,ZESHUJUDEKEJIESHIXINGYUEGAO。XIANGFANRUGUOSHUJUHUISENANDONGJIUGENBENBUJUBEIFENXIDETIAOJIAN。

              DANGWOMENZAISHUJUCAIJIHECHULISHINENGCHULIHAOZHEILIUZHONGSHUJUZHILIANGWENTI,ZEZAIDASHUJUFENXIZHONG,JIUHUIDEDAOZHENGQUEJISHIYONGDEXINXI。

              CANKAOWENXIAN

              [1] 朱慧明。大数据背景下电商运营课程教学改革研究[J].现代商贸工业,2019,(32)。
            牛牛游戏厅安卓,{原始关键词}   [2] 张余丹。大数据时代在线教育平台商业模式浅析[J].现代商贸工业,2019,(21)。

            联系我们
            • 写作QQ:
            • 发表QQ:
            • 服务电话:
            • 售后电话:
            • 邮箱:
            范文范例

            豪运棋牌送20金币-牛牛游戏厅安卓,{原始关键词} 欢乐斗牛棋牌下载 番茄棋牌---HOME_Welcome 明豪棋牌---HOME_Welcome 天棋棋牌---HOME_欢迎您