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- candidate itemsets tree 候选项集树
- Arrays and bit operation are adopted by the algorithm,the database will not be scanned for many times and the enormous candidate itemsets will not be produced. 该算法采用简单的数组和位运算,在执行关联规则的更新时,既不用多次扫描数据库,也不产生庞大的候选项集。
- The thrice pruning strategy is used in the algorithm, and the number of candidate itemsets and mining time are reduced substantially.The mining efficiency is improved. 该算法采用三种剪枝策略,候选项集数量和挖掘时间明显减少,提高了挖掘效率。
- Unlike Algorithm Apriori our algorithm constructlarge unit submatrix in whole matrix (under certain condition construct maximum unitsubmatrix) and avoid complex process calculating candidate itemset. 这些算法不同于Apriori算法,它们从关注矩阵M满足某种性质的行出发,迭代构造较大全1子阵(在一定条件下能得出最大全1子阵),避开了求候选项目集的复杂过程,使算法成为有效算法。
- STORAGE OF CANDIDATE ITEMSETS IN DATA MINING 数据开采中候选项目集的存储方法
- As the car hit the tree he was snot out. 汽车扭在村上,他被猛地摔了出来。
- We judge that he is the best candidate. 我们认为他是最佳人选。
- The unsuccessful candidate demanded a re-count. 那个落选的候选人要求重新计算选票。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- The defeated candidate demanded a recount. 落选的候选人要求重新计算选票。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- The car hit the tree with a sickening crash. 那辆汽车撞在树上发出让人难受的撞击声。
- An arrow whizzed past and stuck in a tree. 一支箭“飕”地一声飞过去,钉在一棵树上。
- A wise candidate should have the media in hand. 一个明智的候选人应该把传媒控制在手中。
- The squirrel ran up a tree and got out of my reach. 松鼠跑到树上去了,我逮不着。
- Do you all come out for this candidate? 你们都表示支持这位候选人吗?
- He was elected presidential candidate. 他被选为总统候选人。
- The workers saw off a limb from the tree. 工人从树上锯下了一根大树枝。
- The candidate has walked away with the election. 那候选人已经轻易地在选举中获胜。
- He is not made for climbing the tree of knowledge. 他不是生来适于攀登知识之树的。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries