对高维的特征集进行降维是文本分类过程中的一个重要环节。
Reducing the high dimension of feature vectors is an essential part of text categorization.
实验结果表明,该算法能有效地对高维的方向性数据进行聚类。
The experiment results demonstrate its validity over directional higher-dimension data clustering.
但在处理高维的具有太多局部最优前沿的多峰函数时极易陷入局部最优前沿。
But as to high-dimension functions with too many local Pareto optimal fronts, it traps in local Pareto optimal front easily.
基因组和蛋白质组技术的应用的较大增长,导致高维的、复杂的数据的产生以爆炸式的量增长。
Applications of genomic and proteomic technologies have seen a major increase, resulting in an explosion in the amount of highly dimensional and complex data being generated.
在高维的情形,给出了一个充分条件,并且指出边界表示问题与模的本质正规性之间的密切联系。
In the higher dimensional case, we give a sufficient condition, and also point out the connection between boundary representations and essential normality of modules.
三维模型的特征一般用高维的特征向量表示,但是这会带来更多的计算量,从而使耗尽型搜索变得不可行。
We often use high-dimension feature vectors to achieve this goal, however, the large amount computation will make exhaustive retrieval infeasible.
面对大规模、高维的数据,如何建立有效的,可扩展的分类数据挖掘算法是数据挖掘研究的重要方向之一。
Facing the massive volume and high dimensional data, how to build effective and scalable algorithm for data mining is one of research directions of data mining.
面对大规模的、高维的数据,如何建立有效、可扩展的的聚类数据挖掘算法是数据挖掘领域的一个研究热点。
Facing the massive volume and high dimensional data how to build effective and scalable clustering algorithm for data mining is one of research directions of data mining.
本论文给出了一种高效率、高信容的量子密钥分布模型,同时将量子密集编码推广到一般的多方高维的情况。
In this thesis, the author proposes a theoretically efficient high-capacity quantum key distribution scheme and generalizes the quantum dense coding to super dense coding between multiparty.
文介绍了一种聚类大型二元数据集合的快速算法,在该数据集合中数据点是高维的,并且大多数的坐标值为零。
This paper introduces a fast algorithm to cluster large binary data sets where data points have high dimensionality and most of their coordinates are zero.
所接收的混合信号首先被映射到高维的内核特征空间,和由内核特征空间上的适应度函数给出的特征矢量的基础构造。
The received mixing signals are first mapped to high-dimensional kernel feature space, and a feature vector basis given by the fitness function of the kernel feature space is constructed.
由于在缺乏启发性的知识的情况下,遗传算法对于高维的数据的特征提取非常有效,所以遗传算法是基因数据研究中非常重要的算法。
Genetic algorithms are good candidates for attacking the challenge since GAs are very useful for extracting patterns in high-dimensionality problems where heuristic knowledge is sparse or incomplete.
维斯瓦泻湖上的堡垒在1239年改名为鲍尔高。
文卡说道,“这些包含数百项属性的字符串就称为高维(high-dimensional)数据,而每一项属性就是一维。
These strings of hundreds of attributes are called high-dimensional data because each attribute is called one dimension.
加尔维斯顿利用新建的海堤避免了以往飓风造成的高死亡率,这场风暴中275人遇难,其中只有11人是加尔维斯顿市民。
Galveston avoided the high death toll of the previous hurricane with the newly built seawall; out of the 275 people killed in the storm, only 11 were Galveston citizens.
在维基中材料是有组织的,但这个组织还有待改进,它并不是高组织性的。
There is an organization there, and the organization can be improved, but it isn't highly organized.
霍诺·维茨预计高盛的投资银行业务量创下最大跌幅,比第一季度减少30%,比去年同期减少43%。
Horowitz expects Goldman will see the greatest fall in investment banking volumes, down 30% from the first quarter, or down 43% from a year ago.
其实当巴罗达夫人得知丈夫希望他的朋友高维内尔来种植园住一两周的时候,她是有点恼怒的。
Mrs. Baroda was a little provoked to learn that her husband expected his friend, Gouvernail, up to spend a week or two on the plantation.
然而,在一年快要结束时,她突然提议让高维内尔再次前来拜访,而这次完全是她自己的主意。她的丈夫虽然惊讶,但是却非常高兴听到这个建议。
However, before the year ended, she proposed, wholly from herself, to have Gouvernail visit them again. Her husband was surprised and delighted with the suggestion coming from her.
而这部卡梅隆自《泰坦尼克号》以来首次执导的大型故事片标志着三维电影时代的到来——这种三维指具有长宽高的影像。
Instead, Cameron's first full-length dramatic feature since Titanic comes billed as the shape of films to come - and that shape has height and width and depth.
西尔维娅没有上过任何的体操课,但是她长得又高又壮的,很受大家的欢迎。
Sylvia didn't have any gymnastic classes but she was tall, strong, and she was popular.
在她回到住宅前,高维内尔重新点燃了一直雪茄,结束了他对夜晚的感叹。
Before she reached the house, Gouvernail had lighted a fresh cigar and ended his apostrophe to the night.
含低木质素高钎维的树木能够在既速长的同时又多产乙醇。
Trees containing less lignin and more cellulose would both grow faster and also produce more ethanol.
西尔维娅没有上过任何的体操课,但是她长得又高又壮的,很受大家的欢迎。
Sylvia didn't have any gymnastic classes but she was tall, strong, and she was popular.
麦克维认为,这是因为继能源公司安然和其它公司倒闭以来而实施的严格监管,使公司高管们小心谨慎所致。
Mr McVey thinks that executives are being cautious, given the regulatory scrutiny that followed the collapses of Enron, an energy firm, and others.
近九个月前,雷石东将其媒体帝国一分为二,唐思腾先生随即出任维亚康姆的老板。唐思腾缔造了MTV在全球的辉煌,是一位令人崇敬的传媒高管。
It is barely nine months since Mr Freston, a hugely respected media executive who presided over the global success of MTV, became boss of Viacom when Mr Redstone split his empire in two.
理想状态下,李·维斯表示,他会把三层楼高的控制中心改造成他的家。
Ideally, Reeves said, he would convert the three-level control center into a new home.
我明早就去城里试穿我的春衣,告诉我高维内尔先生何时离开,在他离开前我将一直住在奥克·塔维姨妈家。
I'm going to the city in the morning to have my spring gowns fitted. Let me know when Mr. Gouvernail is gone; I shall be at my Aunt Octavie's.
西尔维娅没有上过任何的体操课,但是她长得又高又壮的,很受大家的欢迎。每一个受欢迎的人或许都有一个缺点吧。
Sylvia didn't have any gymnastic classes but she was tall, strong, and she was popular. Everyone popular probably got a spot.
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