[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fiGjFHPUDvr-MMr_Ii3gtt-i7oYT1qi_jrkeWCCX-R5U":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":40},[],"2026-03-11 14:32:21",1092279095,[8,9,10,11],"中文:的,了,是…","中文:文本,可视化,大数据…","英文:text, analytics, mooc…","英文:the, a, bad, poor…",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000008775","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc2b751162d924935a7f0f780e9f5b929.jpg","大数据可视化","64309216","第十一章单元测试","在对文本进行分词时,哪些词可以去掉",[20,31,41,49,59,64,69,72,81,90],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],1092278298,[24,25,26,27],"经济(Economy)是一直受到关注的主题","比起其他主题,奥巴马最为关注教育(Education)","预算(Budget)这一主题讨论得越来越少","政党(Government Partisanship)这一话题,讨论得越来越热烈","下图为奥巴马历年来演讲的主题可视化,从图中可以得到哪些信息?\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3f7524b2010a9a9af2a6c2519b5e1319.png\">","v2",1,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":40},[],1092278592,[35,36,37,38],"足球比赛","家庭生活","科学技术","校园生活","某文本的词频向量为幸福快乐爸爸孩子旅游回家吃饭妈妈……2322191813121010……该文本最可能描述了什么主题",0,{"answer":42,"createTime":5,"id":43,"options":44,"question":47,"source":29,"type":48},[],1092278977,[45,46],"对","错","词云是wordle的拓展,更具艺术感、设计感",3,{"answer":50,"createTime":5,"id":51,"options":52,"question":58,"source":29,"type":30},[],1092278983,[53,54,55,56,57],"总结展现文本中的内容","展现文本文件之间的关联","展现文本内容的内在联系","辅助大规模文本数据集的浏览","展现文本所包含的情感","文本可视化的基本任务包括 ( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":63,"source":29,"type":48},[],1092279013,[45,46],"在基于投影的文档集合可视化中,相似的文档代表的点之间的距离会比较小",{"answer":65,"createTime":5,"id":66,"options":67,"question":68,"source":29,"type":48},[],1092279055,[45,46],"基于主题河流的可视化技术可以用来可视化时序文档",{"answer":70,"createTime":5,"id":6,"options":71,"question":18,"source":29,"type":40},[],[8,9,10,11],{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":29,"type":40},[],1092279117,[76,77,78,79],"图结构可视化,如节点连接图","时序数据可视化,如主题河流","空间数据可视化,如体绘制","高维数据可视化,如降维投影","要展示多个文档之间的主题相似性,以下哪类可视化技术较为合适 ( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":29,"type":40},[],1092279167,[85,86,87,88],"小明发的微博","报纸上的新闻","某路口车流量","题库","以下哪些个不是文本数据",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":29,"type":30},[],1092279335,[94,95,96,97],"支持多样的视觉编码,如样式,字体,大小","可以自定义形状","布局更为紧凑","绘制速度快","wordle有哪些特点? ( )"]