医疗健康大数据: 应用实例与系统分析

2015-10-13 董诚,林立,金海,廖小飞 MedSci原创

随着信息技术和物联网技术的发展、个人电脑和智能手机的普及以及社交网络的兴起,人类活动产生的数据正以惊人的速度增长。根据国际数据公司(International DataCorporation,IDC)的报告,仅2011年,全世界产生的数据就有1.8 ZB(1 ZB≈1 021 byte),并且平均

华中科技大学计算机科学与技术学院服务计算技术与系统教育部重点实验室武汉430074 1 概述 随着信息技术和物联网技术的发展、个人电脑和智能手机的普及以及社交网络的兴起,人类活动产生的数据正以惊人的速度增长。根据国际数据公司(International DataCorporation,IDC)的报告,仅2011年,全世界产生的数据就有1.8 ZB(1 ZB≈1 021 byte),并且平均每5年增长9倍[1]。大数据一词由此而生。 大数据是指难以被传统数据管理系统有效且经济地存储、管理、处理的复杂数据集。大数据一般以PB为单位计量,并包含结构化、半结构化、无结构化的数据,大数据给数据的采集、运输、加密、存储、分析和可视化带来了严峻的挑战[2]。与传统数据相比,大数据包含5个V特性:Volume(数据规模巨大)、Variety(数据类型繁多)、Velocity(数据产生的数据非常快)、Veracity(分析结果取决于数据准确性)、Value(大数据一般包含非常重要的价值)[3]。大数据带来了存储、管理、处理数据的挑战,也带来了发掘数据中新的价值的机遇。多个行业已经利用大数据改善

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    2016-02-09 lyh994

    很长,很漫长,一点星光,一片希望

    0

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    2015-10-18 sunlong28

    赞一个~

    0

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    2015-10-18 sunlong28

    谢谢分享~

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=2009269, encodeId=34ec2009269d3, content=<a href='/topic/show?id=4b5a2e786f9' target=_blank style='color:#2F92EE;'>#健康大数据#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27786, encryptionId=4b5a2e786f9, topicName=健康大数据)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1a19115, createdName=stfoxst, createdTime=Sat Jan 30 15:11:00 CST 2016, time=2016-01-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=63792, encodeId=200e63e92fa, content=很长,很漫长,一点星光,一片希望, beContent=null, objectType=article, channel=null, level=null, likeNumber=131, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/04/24/1c2dbd6706e64df33befd6663f1d6b37.jpg, createdBy=94f61661779, createdName=lyh994, createdTime=Tue Feb 09 10:08:00 CST 2016, time=2016-02-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1804346, encodeId=8ab018043465b, content=<a href='/topic/show?id=e5e9e689254' target=_blank style='color:#2F92EE;'>#系统分析#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76892, encryptionId=e5e9e689254, topicName=系统分析)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=373a131, createdName=jxrzshh, createdTime=Thu Nov 05 09:11:00 CST 2015, time=2015-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=39381, encodeId=738c39381cd, content=赞一个~, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/05/26/5e1df344d663496bdfd43c465d409e2c.jpg, createdBy=bce679058, createdName=sunlong28, createdTime=Sun Oct 18 23:01:00 CST 2015, time=2015-10-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=39382, encodeId=f6b33938258, content=谢谢分享~, beContent=null, objectType=article, channel=null, level=null, likeNumber=117, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/05/26/5e1df344d663496bdfd43c465d409e2c.jpg, createdBy=bce679058, createdName=sunlong28, createdTime=Sun Oct 18 23:01:00 CST 2015, time=2015-10-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=39383, encodeId=80e93938385, content=为了积分我也是拼了~, beContent=null, objectType=article, channel=null, level=null, likeNumber=112, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/05/26/5e1df344d663496bdfd43c465d409e2c.jpg, createdBy=bce679058, createdName=sunlong28, createdTime=Sun Oct 18 23:01:00 CST 2015, time=2015-10-18, status=1, ipAttribution=)]
    2015-10-18 sunlong28

    为了积分我也是拼了~

    0

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