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Open Data Center Alliance announces 8 cloud computing requirements

BEIJING, June 15, 2011--Open Data center ALLIANCE,ODCA, which is the mission of open and interoperable cloud solutions, announced important milestones in Beijing today. In just seven months, the league's membership has grown by as much as four times times, with more than 280 global IT application leaders joining the Alliance, which have accumulated more than $100 billion trillion in it budgets over the year. Open Data Center Alliance also set up a working group, with the industry's key phase ...

What is structured data? What is semi-structured data?

Relative to structured data (the data is stored in the database, it is possible to use two-dimensional table structure to express the implementation data logically, the data that is not convenient to use the database two-dimensional logical table to represent is called unstructured data, including all format Office documents, text, picture, XML, HTML, various kinds of reports, images and audio/   Video information and so on. An unstructured database is a database with a variable field length and a record of each field that can be made up of repeatable or repeatable child fields, not only to handle structured data (such as numbers, symbols, etc.), but also ...

Application of search engine in Network information mining

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall with the rapid growth of network information resources, people pay more and more attention to how to extract the potential and valuable information from massive network information quickly and effectively, so that it can effectively play a role in management and decision-making. Search engine technology solves the difficulty of users to retrieve network information, and the search engine technology is becoming the object of research and development in computer science and information industry. The purpose of this paper is to explore the application of search engine technology in Network information mining. First, data mining research status Discussion network information digging ...

Nutch Index Source Code resolution (i)

Nutch Index Source Code Analysis (i) blog Category: Large data processing Research Nutchsolrhadoop index Nutch Integration Slor Index Method Introduction/** * indexing * @param solrurl SOLR web address * @param CRA WLDB Crawl db storage path: \crawl\crawldb ...

Java Development 2.0: Implementing REST through CouchDB and Groovy restclient

In the past few years, the innovative development of the open source world has elevated the productivity of Java™ developers to one level. Free tools, frameworks and solutions make up for once-scarce vacancies. The Apache CouchDB, which some people think is a WEB 2.0 database, is very promising. It's not difficult to master CouchDB, it's as simple as using a Web browser. This issue of Java open ...

Big data: Knocking open the door to wealth

The data, which was born with the information Age, became the protagonist of change for the first time and knocked open a door of wealth worth tens of billions of. The industry has named it "Big Data". Where does the value of large data come from? How do people get from the nuggets? How to grasp the opportunity of Chinese market? To understand the above problems, this reporter interviewed a number of industry experts and securities analysts, launched the "Big Data" series of reading articles, trying to from the commercial value, profit model of the angle of the analysis, and look for the Chinese market large data business opportunities. This reporter Yurishimo 1997, when the chess crown ...

On the history of Internet development from the technology of famous websites

In recent years, with the continuous innovation and development of the Internet industry, batch after group of websites or be eliminated or stand out, for those successful websites, most of them already exist nearly 10 or more than 10 years, in such a long period of development, in addition to the business facing the challenges, Technically, it's also a lot of challenges. The following selected Alexa rankings of the previous site (ranking up to April 21, 2012, by analyzing how they are technically coping with the challenges of business development process, to a deeper understanding of the development of the Internet industry in recent years. ...

Large data architecture-configure storage and indexing with HBase and SOLR

HBase and SOLR can make requests to solr through a coprocessor coprocessor, and SOLR can synchronize the data that is received: adding, deleting, and indexing operations.     Store and index on different machines, this is a large data architecture must be, but there are many students do not know this way, they are very new to this idea, however, this is definitely a good direction, so do not know how to study. One of my friends left my blog.

Deploy your own search engine to achieve keyword optimization

Intermediary trading http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnosis Taobao guest cloud host technology Hall often see webmaster friends to discuss keyword optimization, also saw webmaster friends" accumulate "keyword.   Here for you to share a use of the search engine to do keyword optimization experience. Statement: This experience is applicable to a certain technical capacity of the station, requiring the server has a Java operating environment, such as JDK,TOMC ...

Two-Computer hot backup scheme for Hadoop Namenode

Refer to Hadoop_hdfs system dual-machine hot standby scheme. PDF, after the test has been added to the two-machine hot backup scheme for Hadoopnamenode 1, foreword currently hadoop-0.20.2 does not provide a backup of name node, just provides a secondary node, although it is somewhat able to guarantee a backup of name node, when the machine where name node resides ...

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