G相对乘积空间中的Ti(i=-1,0,1,2)及次T0分离性

讨论了G相对乘积空间中的Ti(i=-1,O,l,2)与次T0分离性质．     

Comparison and Classification of Documents Based on Layout Similarity

This paper describes features and methods for document image comparison and classification at the spatial layout level. The methods are useful for visual similarity based document retrieval as well as fast algorithms for initial document type classification without OCR. A novel feature set called interval encoding is introduced to capture elements of spatial layout. This feature set encodes region layout information in fixed-length vectors by capturing structural characteristics of the image. These fixed-length vectors are then compared to each other through a Manhattan distance computation for fast page layout comparison. The paper describes experiments and results to rank-order a set of document pages in terms of their layout similarity to a test document. We also demonstrate the usefulness of the features derived from interval coding in a hidden Markov model based page layout classification system that is trainable and extendible. The methods described in the paper can be used in various document retrieval tasks including visual similarity based retrieval, categorization and information extraction.     

完整准确地理解马克思的哲学观

本文认为,黑格尔的错误是把对立面统一绝对化,旧教材的错误则是把两极对立绝对化,特别是把唯心论和唯物论的对立绝对化了,殊不知阶级社会源于“心物”对立或脑体分工,把“心物”对立绝对化就是使阶级社会永恒化。再说哲学也只有形而上学和辩证法两大派,因此教材对唯心唯物的划分纯属画蛇添足,而对马克思哲学观的理解也未免失之偏颇!     

LNG罐柜在船上装载位置的安全性研究

为进一步提高液化天然气(liquefied natural gas,LNG)罐柜内河运输的安全性,研究LNG罐柜在船上装载位置的合理性。根据爆炸产生的火球模型和热辐射模型,考虑人员受到不同程度伤害的概率,建立LNG罐柜爆炸危害的系统动力学模型。利用系统动力学仿真软件Vensim_PLE模拟2个罐柜爆炸,得出结论：爆炸中心的热辐射强度最高,但在距爆炸中心一定距离处人员受到伤害的概率最大。为保证人员安全,船舶罐柜装载区与人员活动区应保持足够的安全距离。     

船舶能见度不良时近距离避让行为问卷调查与分析

为了全面了解船舶驾驶人员在能见度不良时近距离避让的行为情况和做好船舶碰撞事故的预防工作,笔者最近通过问卷调查的方法对２００多名船长和驾驶员进行了调查。本文简要介绍了这次问卷调查的目的、要求、方法与内容,就调查的统计与分析作了说明,并提出了一些有价值的结论供船舶安全管理与研究人员参考。     

海上保险代位求偿权诉讼中第三人的抗辩理由

为了从理论上解释《最高人民法院关于审理海上保险纠纷案件若干问题的规定》(简称《规定》)中有关海上保险代位求偿权的法律规定,通过分析代位求偿权的基本概念、第三人在代位求偿诉讼中常见的抗辩理由、第三人抗辩保险合同的法律依据、《规定》第14条对第三人抗辩保险合同的否定、《规定》第14条与《中华人民共和国海商法》第252条之间的关系,认为代位求偿权是一种仅仅存在于保险人与被保险人之间的基于海上保险合同的相对权利,因而第三人不能通过抗辩保险合同来抗辩保险人的代位求偿权,并且,第三人只能以对抗被保险人的理由来抗辩保险人的代位求偿权;阐述《规定》第14条给代位求偿权带来的影响.     

解决短期高峰需求的成本效益策略

For most open universities, in fact for most universities, there will arise occasions when some online activities will have to be completed by all students in a very short time interval. These occasions usually result in a great rush to get online as quickly as possible; the rush is often made worst by the limited good choices on offer such that usually only the earliest can get the best. Choosing and confirming elective subjects, when only a limited number for each are offered, on a first-come-first-served basis is an example.At the Open University Malaysia the rush occurs when confirming offered subjects and choosing face-to-face meeting timetable. Most students rushed to be earliest to ensure choice slots in the timetable are obtained.Available I. T. resources such as Internet bandwidth and servers cannot cope with these short-term sustained peak demands. Unless these peak demands are met, however, online services will slow down drastically resulting in long queues of users waiting to be served. Providing excess capacity, if at all possible, to ensure these short duration peak demands can be met would not be cost-effective since most of the time these resources are not utilised. This paper will look at some cost-effective approaches to meeting these short-term peak demands.     

基于动物社群敌友指数模型的品牌延伸规模研究

品牌延伸已经成为新产品上市时节约导入费用的一项重要手段,它赋予品牌新的思想,延长了品牌的寿命。通过对动物社群敌友指数模型与品牌延伸的相似处的对比,借以建立品牌延伸规模模型,讨论品牌延伸的适当规模问题。     

远程教学设计中Blog应用浅析

Blog是目前较为流行的社会化软件,这一新兴媒体工具引发的文化现象对远程教育领域也产生了较为深刻的影响.本文探索在现代远程教学设计中,利用Blog构建课后课堂,优化学习方法,模拟学习情境,进行资源建设,进行即时评价和反馈,实现个性化学习、知识共享等应用的可能性和可行性.     

关于远程教育土木工程CAD课程教学的思考

本文主要阐述了远程教育土木工程CAD课程教学中存在的和不能忽视的问题,希望能对该课程教学改革有所帮助.