首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
自考
Searching by keyword is the most common method of using a search engine, but the problem with keywords is the relatively impreci
Searching by keyword is the most common method of using a search engine, but the problem with keywords is the relatively impreci
admin
2017-01-30
37
问题
Searching by keyword is the most common method of using a search engine, but the problem with keywords is the relatively imprecise results and the return of a lot of irrelevant information. Keywords may have more than one meaning and search results may be found only by using a synonym of the keyword. The method of browsing on the other hand takes too much to find the relevant information. Directories like Yahoo try to circumvent the problem, but the manual process of classifying material on the web takes up too much time, resulting in very few search results, as not everything on the web can be classified. Therefore new paradigms of searching are needed as well as new software that is able to categorize web sites automatically.
The majority of search engines come from the United States and has specialized in English resources and information reflecting the American culture. People who do not speak English or who are non-native speakers have therefore many disadvantages on the web.
The centralized approach to information retrieval has extreme difficulty in coping with the multilingual and multi-cultural nature of the information society. The Internet has become a success throughout the world, but the American search engines operate with a US-centric company structure and tend to concentrate upon the English language. Although many search engines have subsidiaries in many other countries, like Japan or Italy, the way the information is presented is the American way and may not reflect the logic of the people who are using it.
National search engines in Russia or France, for example, have to deal with far smaller sets of information and specialize in the cultural and linguistic environments that they know best. Their disadvantage is that the queries are in Russian or French and the search results contain only a small subset of possible results on the web, as they are restricted to the language. This strongly reduces the possibility of using the Web as a source for the worldwide diffusion of information.
Larger search engines, such as Altavista are able to perform multilingual searches, which presents search results in multiple languages. This is good, if the searcher knows all the languages, but if, for example, an Indian finds a Japanese web site on the search topic, this may not be helpful.
Text documents that are in special formats(such as Postscript or Star Office Documents)are unreachable for many search engines, as the textual information is embedded into the binary structure of the particular file format. The same applies to scanned documents, Java applets and video/ audio clips. The content of these file formats is hidden from search engines today. Only if the description of the file format is known and included into the search engine is it possible to add the content for certain document types. This is relatively easy, just a matter of work. Infoseek for example, is able to index the content of Word documents. More difficult is the inclusion of content that is hidden in applications, as there is no way to tell where the information may be hidden.
The research and development in information and data retrieval is aimed at improving the effectiveness and efficiency of retrieval. Individual and parallel development for database management systems has left this sector without a centralized vision and coordination between the different types of search engines. Search engines on the Internet are very specific and not able to cope with multiple database formats and file types. In order to make searches complete a search engine needs to search over text, documents, images, sounds and all other media formats. So the database integration will be the single most important objective for the future of intelligent search engines.
It can be learnt that if an Italian uses American search engines subsidiaries in Italy he may have the problem of______.
选项
A、not being able to find the information that he needs
B、not knowing how to use the search engines
C、having to try to understand the American logic first
D、having to learn English first
答案
C
解析
转载请注明原文地址:https://kaotiyun.com/show/NEPR777K
本试题收录于:
电子商务英语题库经管类分类
0
电子商务英语
经管类
相关试题推荐
(2005年04月)___________,即能满足购买者某种愿望的各种方法。
__________,即为了生产、取得利润而购买的个人和企业所构成的市场。
(2009年04月,2008年04月)__________是指一个企业的产品组合中所拥有的产品线的数目。
【】是指顾客在转向其他企业时所需付出的货币、时间、精力等方面的成本,它可被视作阻止顾客脱离企业服务关系的一种障碍。
()的基本功能是对特定的市场情报和市场数据进行系统收集与汇总,以对市场情况做出准确、客观的反映与描述。
为了更充分利用和改造公司的已有系统,并和Internet相连,应使联机商业的()与公司的经营活动相联系。
【T1】CustomerRelationshipManagement(CRM)providesyourcompanywithnewwaysofbetterunderstandingandservingyourcustomer.
Teachersall______thestudenttoenterthecompetition.
【T1】CustomerRelationshipManagement(CRM)providesyourcompanywithnewwaysofbetterunderstandingandservingyourcustomer.
Accordingtothenewschoolofscientists,technologyisanoverlookedforceinexpandingthehorizonsofscientificknowledge.【
随机试题
ThecowboyswholivedintheUnitedStatesofAmericabeforethereweregoodroadsorbigmoderncitiesusedtoliveonthehuge
护士甲是下列5位患者的责任护士,请你帮助其评估最易发生压疮的患者是
某双车道公路隧道,全长620m,地层岩性为石灰岩,地下水较丰富。有一条F断层破裂带,隧道最大埋深490m,纵坡为-3%。其围岩级别及长度如图3-1所示。合同总工期为20个月。为保证施工安全,施工单位结合项目地质和设备条件,拟在全断面法、台
(2014年)根据合伙企业法律制度的规定,下列选项中,属于合伙企业财产的有()。
产品的心理定价策略包括()。[2013年11月四级真题]
将选项中的词语填入下列横线处,最恰当的是()。我们在日常生活中所体验的“经济”有着_________的地理属性,没有什么经济是脱离现实生活的。相反,经济是一系列实实在在的真实世界中的过程,是一组伴随着地理空间,并在地理空间的影响下________
A.Basedonthesurveyreport,theywilllodgeaclaimforcompensationB.ifyouhaveagoodcommandofbothwrittenandspoken
Duringthetraditionalweddingceremony,the【C1】______couplepromiseeachotherlifelongdevotion.Yet,aboutoneoutoffourAm
ACareerinAccountingAsafieldofstudyandwork,accountingisexpandingthroughouttheworld.Ajobinaccountingpromi
Manywhothinktheyhavefoodallergies(过敏)actuallydonot.Anewreport,commissionedbythefederalgovernment,findsthefiel
最新回复
(
0
)