Several opinions of natural gas pipeline underground crossing project forecast evaluation of labor sffety and health 對天然氣管道穿越工程勞動安全衛(wèi)生預評價的幾點認識
This dss includes five function models : the project forecasting , project optimizing , browse and query , system maintenance and user management 該決策支持系統(tǒng)主要包括方案預測、方案優(yōu)化、瀏覽查詢、系統(tǒng)維護、用戶管理等五大功能模塊。
This article analysis a bot project in particular for its character , operating procedure , risk factors and the essential of feasibility study , and suggest an evaluation system to judge a bot project for its feasibility , which applying economic analysis method for project forecasting . the study is available for government institution , investors , 本文詳細剖析了B O T結(jié)構(gòu)的特性和操作流程;分析了B O T結(jié)構(gòu)的風險因素以及進行可行性評估的必要性,并在此基礎上提出用于判斷B O T項目是否可行的指標評價體系,應用經(jīng)濟分析的方法對項目進行預測。
Because the traditional collaborative filtering recommendation has certain insufficiency such as recommendation precision , the data processing efficiency , this article proposes a collaborative filtering method based on cluster and project forecast in coordination . after the users and the commodities are carried into gathers , the people of the same kind and the commodity of the same sort should be constructed the 由于傳統(tǒng)協(xié)同過濾推薦在推薦精度、數(shù)據(jù)處理效率都有一定的不足,文中提出一種基于聚類和項目預測的協(xié)同過濾方法,把用戶、商品進行聚類后,將同屬一類的用戶、商品構(gòu)建用戶? ?商品子矩陣,在該矩陣基礎上進行最近鄰查詢,從而計算用戶對未評分項目的預測評分。