推荐

Poor recommendation quality is one major challenge in collaborative filtering recommender systems.

推荐质量低是协同过滤推荐技术面临的主要难题之一。

However, there remain important research questions in overcoming two fundamental challenges for CF Recommender systems.

但是，在克服CF推荐系统的算法可伸缩性和推荐质量这两个根本性挑战方面还存在许多问题。

Recommender systems may be used to analyze the preference of customer, recommend product to targeted customer.

电子商务网站可以使用推荐系统分析客户的消费偏好，向每个客户具有针对性地推荐商品。

Letter of recommendation must be sealed with recommender's signature on envelope.

推荐信要放在有推荐人签名的信封上。

In this thesis, we try to apply Recommender System in web sites to help users finding their favorite web sites, and to solve the problems of traditional model.

本研究尝试将推荐系统应用在网站上，欲藉由此机制帮助使用者寻找喜爱的网站，同时尽力解决一般推荐系统所遇到的问题。

In some period " reader " go up, beidasiman sent a full page ad that is located in recto, advocate " free good book, admission 10 yuan ", 20 kinds are revealed to recommend books below, and the advertisement crossing a page that turning over this one page is competitor, length is advertising of shellfish tower Si Man 2 times, dazzling caption says:"Need a yuan only, immediateness initiate ", 34 kinds are revealed to recommend books below.

有一个例子能说明当时贝塔斯曼在中国碰到的是怎样的一群对手。2002年，在某期《读者》上，贝塔斯曼投了一个位于右页的整版广告，宣扬"免费好书，入会费十元"，下面展示了20种推荐图书，而翻过这一页则是竞争者的跨页广告，篇幅是贝塔斯曼广告的2倍，刺眼的标题称："只需一元，即刻入会"，下面展示了34种推荐图书。

Referrer is entitled to get cash coupon from Nethub within 45 days after the payment settled from the customers.

在被推荐的客户付款后的45 天内，网汇在线将会发放相应的现金兑换券到推荐人的帐户内。

Indication is required to be marked on the subscription form to show the referrer.

在所有被推荐的订单认购表格或网上订购）中，请标明推荐人的资料。

The referrer's free day will be calculated as the average value of the nominee's paid days.

推荐人所得到的免费驻留日数量为两个被推荐人实际购买天数的平均值。

That's to say, the security analyst buy recommendation prefer the small firms and the sell recommendation stocks prefer the small and the low book-to-market firms. In the empirical research of the Day of the Week Effect stock recommendation, we find that it is not evidence, but in short term the returns on every Thursday is always lower.

在进行推荐股票的周内效应的实证研究中，我们发现证券分析师推荐股票的周末效应并不明显，但是在短期，每周四的投资收益率都是最低的，但是产生这种情况的原因还不清楚，以及这种情况是仅在2003年内出现，还是在其它年份也有类似的情况仍然需要进一步的分析。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。