An acquisition service may be implemented, for example, with a web crawler.
In the pull model, the software gathers content from sources using a connector such as a web crawler or a database connector.
Firstly it uses an automated web crawler to find and index gaming content.
Dispensing with the old blog, the site deploys a state-of-the-art custom web crawler for aggregating vast amounts of football data from around the world.
Each library's system collects a copy using a specialized web crawler that verifies that the publisher has granted suitable permission.
The offline subsystem automatically indexes documents collected by a "focused web crawler" from the web.
Scanning applications include backup utilities, web crawler, search engines, and replication programs.
A web crawler can periodically traverse a website to see if any changes have occurred since its last visit.
