The job of a Web crawler is to browse the World Wide Web.
The job of a Web crawler is to browse the World Wide Web.
Endless combinations of HTTP GET (URL-based)parameters are useful for the crawler to get unique content.
Endless combinations of HTTP GET (URL-based)parameters are useful for the crawler to get unique content.
A path-ascending crawler would normally ascend to every path in each URL that it intends to crawl.
A path-ascending crawler would normally ascend to every path in each URL that it intends to crawl.
The heavy task of a Web crawler lies in the large volume of Web pages, their high rate of change and the difficulty to avoid retrieving duplicate content.
The heavy task of a Web crawler lies in the large volume of Web pages, their high rate of change and the difficulty to avoid retrieving duplicate content.
下列哪个选项不是因特网信息采集工具的英文名称（ ）？? Web spider|Web scraper|Web clipper|Web crawler
下列哪个选项不是因特网信息采集工具的英文名称（ ）？? Web spider|Web scraper|Web clipper|Web crawler
网络爬虫（Web Crawler）是一个自动下载网页的计算机程序或______ 脚本，是______ 的重要组成部分。
网络爬虫（Web Crawler）是一个自动下载网页的计算机程序或______ 脚本，是______ 的重要组成部分。
网络全文搜索引擎包括4个基本组成部分：搜索器、检索器、用户接口和______。 A: 索引器 B: 蜘蛛(Spider C: 爬虫(Crawler D: 后台数据库
网络全文搜索引擎包括4个基本组成部分：搜索器、检索器、用户接口和______。 A: 索引器 B: 蜘蛛(Spider C: 爬虫(Crawler D: 后台数据库
1