powered by search

The previous section summarizes how Lucene builds the index, and this section briefly summarizes the search functionality in Lucene. Mainly divided into several parts, the search for specific items, the use of query expression Queryparser, the search within a specified number range, and the search at the beginning of a

Basic search skills1. Search with logical wordsLarge search engines support the use of logical words for more complex search definitions, commonly used: AND (AND), OR (OR), NOT (no, AND some are and not) and NEAR (the closeness of the two words). Apply them appropriately to make the results very accurate. In addition,

// P comment: To put it bluntly. Baidu, Google, and Yahoo are all counted. Assume that the number of web pages they collect is reduced by 0.1 billion times. That is to say. We can assume that it only searches 10 webpages. We can draw a conclusion: these so-called searches only provide a inverted index for webpages. In layman's terms, the dictionary is indexed as the first part of the alphabet. There is no mystery at all. What's mysterious is: data volume, storage volume, cost, technical difficul

At night should Xu Fei's about, and Globehr Mister Tian Shi and technical director Chen Yongbin chat very happy. Globehr.com is just the launch of the talent search site, the simple understanding is that Google and 51job Fusion, it seems that the search technology to penetrate the market trend is irreversible. Globehr has the Ministry of Personnel in China Talent Research Institute such background, good op

At present, the application of search engine is more and more wide, is the Internet essential tool of Netizen. In China, the use of a wide range of search engines are: Baidu Google search of the North Skynet search Sogou and a number of professional search, such a

Put it here for your convenience :) From http://www.sowang.com/ZHUANJIA/XZHY/20040831.htm Common advanced search commands for major search engines Http://www.sowang.com authorMin Zhiyu Crawler-based search engines use

Map service refers to the interface that can provide data information, such as local search/route planning, and so on, the following small series for everyone to clean up the Baidu Map API local search and range search, specific see below. Map Services OverviewMap services refer to those interfaces that provide data information, such as local

the include search path and the library search path. They are used when compiling and connecting. The background of their use is: include search Path Usually, the use of the development program in C + +, will use the header file, and there is a header file implementation file, this time there are three types of files, using the header file source files, header

such a program. The most common GCC environment variables are include search paths and library search paths. They are used for compilation and connection respectively. Their background is: Include search path Usually, when C/C ++ is used for program development, header files are used, and header files are implemented. At this time, three types of files are use

Main news search engine Baidu News Searchhttp://news.baidu.com/Baidu News is currently the world's largest Chinese news search platform, published daily 80000--100000 News, news sources including more than 500 authoritative sites, hot news by the news source site and the media every day "democratic vote" elected, does not contain any artificial editorial components, true reflection of every moment of news h

Group often recruit interns, in technical questions asked the same time, I often ask them a question: ' Baidu related search, how you will design the implementation. ' Mainly want to see the interns will have what ideas, see if the idea is wide, how many methods, there is no way, I will prompt to see if he can some ideas. In fact, the major search engine ' related searc