A focused crawler is a web crawler that collects Web pages that satisfy some specific property, by carefully prioritizing the crawl frontier and managing the hyperlink exploration process. Some predicates may be based on simple, deterministic and surface properties.
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Fish Search algorithm [2], [3] is an algorithm that was created for efficient focused web crawler. This algorithm is one of the earliest focused crawling ...
This process requires enormous amounts of hardware and network resources, ending up with a large fraction of the visible web1 on the crawler's storage array.
Focused Web crawling is a generic term for employing hyperlink and text mining techniques to prioritize the crawl frontier to maximize the harvest of qualified ...
In this paper a review of focused crawler approaches have been presented which is classify in to five categories: Priority base crawler, Structured base crawler ...
A review of focused crawling scheme based on some important parameters such as principle, speed, network consumption, scalability, and strength
Feb 16, 2022 · The crawler is a multi-thread Java code, which is adequate for downloading the web pages from the web and saving the files in the document repository.
The proposed method helps the focused crawler to semantically find, arrange, and index the web pages in a relatively narrow segment of the web to solve the ...
Dec 12, 2021 · Abstract:A focused crawler aims at discovering as many web pages relevant to a target topic as possible, while avoiding irrelevant ones.
Focused crawlers aim to search and retrieve only the subset of the world-wide web that pertains to a specific topic of relevance. The ideal focused crawler ...