数据采集

knowlesys web data mining

如何成功收集市场信息 clark 2008-07-31 15:59 阅读:759 评论:0

中小企业该如何进行信息化 clark 2008-07-31 15:58 阅读:141 评论:0

信息自动化在B2C中的巨大作用 clark 2008-07-31 15:58 阅读:164 评论:0

什么是垂直搜索？ clark 2008-07-31 15:57 阅读:163 评论:0

垂直搜索引擎的特点 clark 2008-07-31 15:48 阅读:442 评论:0

knowlesys web extraction (RSS)
Web Data Extraction is a process that able to digest target Web databases that are visible only as HTML pages, and create a local, identical replica of those databases as a result. What is needed in this process is much more than a Web crawler and set of Web site wrappers. A comprehensive data extraction process needs to deal with such roadblocks such as session identifiers, HTML forms, and client-side JavaScript, and data integration problems such as incompatible datasets and vocabularies, and missing and conflicting data.
网络信息采集器，网页数据提取器
自动抓取，网络信息自动抓取，网页自动提取