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Heritrix
Heritrix is a web crawler designed for web archiving. It was written by the Internet Archive. It is available under a free software license and written in Java (programming language), Java. The main interface is accessible using a web browser, and there is a command-line tool that can optionally be used to initiate crawls. Heritrix was developed jointly by the Internet Archive and the Nordic national libraries on specifications written in early 2003. The first official release was in January 2004, and it has been continually improved by employees of the Internet Archive and other interested parties. For many years Heritrix was not the main crawler used to crawl content for the Internet Archive's web collection. The largest contributor to the collection, as of 2011, is Alexa Internet. Alexa crawls the web for its own purposes, using a crawler named ''ia_archiver''. Alexa then donates the material to the Internet Archive. The Internet Archive itself did some of its own crawling us ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heritrix Logo
Heritrix is a web crawler designed for web archiving. It was written by the Internet Archive. It is available under a free software license and written in Java. The main interface is accessible using a web browser, and there is a command-line tool that can optionally be used to initiate crawls. Heritrix was developed jointly by the Internet Archive and the Nordic national libraries on specifications written in early 2003. The first official release was in January 2004, and it has been continually improved by employees of the Internet Archive and other interested parties. For many years Heritrix was not the main crawler used to crawl content for the Internet Archive's web collection. The largest contributor to the collection, as of 2011, is Alexa Internet. Alexa crawls the web for its own purposes, using a crawler named ''ia_archiver''. Alexa then donates the material to the Internet Archive. The Internet Archive itself did some of its own crawling using Heritrix, but only on a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Web Crawler
Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web and that is typically operated by search engines for the purpose of Web indexing (''web spidering''). Web search engines and some other websites use Web crawling or spidering software to update their web content or indices of other sites' web content. Web crawlers copy pages for processing by a search engine, which Index (search engine), indexes the downloaded pages so that users can search more efficiently. Crawlers consume resources on visited systems and often visit sites unprompted. Issues of schedule, load, and "politeness" come into play when large collections of pages are accessed. Mechanisms exist for public sites not wishing to be crawled to make this known to the crawling agent. For example, including a robots.txt file can request Software agent, bots to index only parts of a website, or nothing at all. The number of In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Web ARChive
The WARC (Web ARChive) archive format specifies a method for combining multiple digital resources into an aggregate archive file together with related information. These combined resources are saved as a WARC computer file, file which can be replayed using appropriate software such as Webrecorder#ReplayWeb.page, ReplayWeb.page, or used by archive websites such as the Wayback Machine. The WARC format is a revision of the Internet Archive's Heritrix#Arc_files, ARC_IA File Format that has traditionally been used to store "Web crawler, web crawls" as sequences of content blocks harvested from the World Wide Web. The WARC format generalizes the older format to better support the harvesting, access, and exchange needs of archiving organizations. Besides the primary content currently recorded, the revision accommodates related secondary content, such as assigned metadata, abbreviated duplicate detection events (see §7.6 "revisit"), and later-date transformations. The WARC format is ins ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Web Crawler
Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web and that is typically operated by search engines for the purpose of Web indexing (''web spidering''). Web search engines and some other websites use Web crawling or spidering software to update their web content or indices of other sites' web content. Web crawlers copy pages for processing by a search engine, which Index (search engine), indexes the downloaded pages so that users can search more efficiently. Crawlers consume resources on visited systems and often visit sites unprompted. Issues of schedule, load, and "politeness" come into play when large collections of pages are accessed. Mechanisms exist for public sites not wishing to be crawled to make this known to the crawling agent. For example, including a robots.txt file can request Software agent, bots to index only parts of a website, or nothing at all. The number of In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Internet Memory Foundation
The Internet Memory Foundation (formerly the European Archive Foundation) was a non-profit foundation whose purpose was archiving content of the World Wide Web. It hosted projects and research that included the preservation and protection of digital media content in various forms to form a digital library of cultural content. As of August 2018, it is defunct. History The non-profit institution European Archive Foundation was incorporated in 2004 in Amsterdam. An announcement at the opening of the Cross Media Week in Amsterdam during September 2006 included a quote from Brewster Kahle, who founded the Internet Archive. Julien Masanès was its first director. Operating from Amsterdam and Paris, it said it would make freely accessible public domain collections and web archives. Masanès, previously at the Bibliothèque nationale de France, edited a book on Web archiving in 2007. The Paris organization is called Internet Memory Research, which operates a service known as Archiv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National And University Library Of Iceland
( Icelandic: ; English: ''The National and University Library of Iceland'') is the national library of Iceland which also functions as the university library of the University of Iceland. The library was established on 1 December 1994 in Reykjavík, Iceland, with the merger of the former national library, Landsbókasafn Íslands (est. 1818), and the university library (formally est. 1940). It is the largest library in Iceland with about one million items in various collections. The library's largest collection is the national collection containing almost all written works published in Iceland and items related to Iceland published elsewhere. The library is the main legal deposit library in Iceland. The library also has a large manuscript collection with mostly early modern and modern manuscripts, and a collection of published Icelandic music and other audio (legal deposit since 1977). The library houses the largest academic collection in Iceland, most of which can be borrowed fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Internet Archive
The Internet Archive is an American 501(c)(3) organization, non-profit organization founded in 1996 by Brewster Kahle that runs a digital library website, archive.org. It provides free access to collections of digitized media including websites, Application software, software applications, music, audiovisual, and print materials. The Archive also advocates a Information wants to be free, free and open Internet. Its mission is committing to provide "universal access to all knowledge". The Internet Archive allows the public to upload and download digital material to its data cluster, but the bulk of its data is collected automatically by its web crawlers, which work to preserve as much of the public web as possible. Its web archiving, web archive, the Wayback Machine, contains hundreds of billions of web captures. The Archive also oversees numerous Internet Archive#Book collections, book digitization projects, collectively one of the world's largest book digitization efforts. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Web Archiving
Web archiving is the process of collecting, preserving, and providing access to material from the World Wide Web. The aim is to ensure that information is preserved in an archival format for research and the public. Web archivists typically employ automated web crawlers to capturing the massive amount of information on the Web. A widely known web archive service is the Wayback Machine, run by the Internet Archive. The growing portion of human culture created and recorded on the web makes it inevitable that more and more libraries and archives will have to face the challenges of web archiving. National libraries, national archives, and various consortia of organizations are also involved in archiving Web content to prevent its loss. Commercial web archiving software and services are also available to organizations that need to archive their own web content for corporate heritage, regulatory, or legal purposes. History and development While curation and organization of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ARC (file Format)
ARC is a Lossless compression, lossless data compression and file archiver, archival file format, format by System Enhancement Associates (SEA). The file format and the program were both called ARC. The format is known as the subject of controversy in the 1980s, part of important debates over what would later be known as open formats. ARC was extremely popular during the early days of the dial-up Bulletin board system, BBS. ARC was convenient as it combined the functions of the SQ (program), SQ program to compress files and the LU program to create LBR (file format), .LBR archives of multiple files. The format was later replaced by the Zip (file format), ZIP format, which offered better data compression ratio, compression ratios and the ability to retain directory structures through the compression/decompression process. The .arc filename extension is often used for several unrelated file archive-like file types. For example, the Internet Archive used Heritrix#Arc_files, its own ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wget
GNU Wget (or just Wget, formerly Geturl, also written as its package name, wget) is a computer program that retrieves content from web servers. It is part of the GNU Project. Its name derives from "World Wide Web" and " ''get''", a HTTP request method. It supports downloading via HTTP, HTTPS, and FTP. Its features include recursive download, conversion of links for offline viewing of local HTML, and support for proxies. It appeared in 1996, coinciding with the boom of popularity of the Web, causing its wide use among Unix users and distribution with most major Linux distributions. Wget is written in C, and can be easily installed on any Unix-like system. Wget has been ported to Microsoft Windows, macOS, OpenVMS, HP-UX, AmigaOS, MorphOS, and Solaris. Since version 1.14, Wget has been able to save its output in the web archiving standard WARC format. History Wget descends from an earlier program named Geturl by the same author, the development of which commenced in late 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Library Of Israel
The National Library of Israel (NLI; ; ), formerly Jewish National and University Library (JNUL; ), is the library dedicated to collecting the cultural treasures of Israel and of Judaism, Jewish Cultural heritage, heritage. The library holds more than 5 million books, and is located in the Government complex (Kiryat HaMemshala) near the Knesset. The National Library owns the world's largest collections of Hebraica and Judaica, and is the repository of many rare and unique manuscripts, books and artifacts. History B'nai Brith library (1892–1925) The establishment of a Jewish National Library in Jerusalem was the brainchild of (1844–1919). His idea was creating a "home for all works in all languages and literatures which have Jewish authors, even though they create in foreign cultures." Chazanovitz collected some 15,000 volumes which later became the core of the library. The B'nai Brith library, founded in Jerusalem in 1892, was the first public library in the Palestine (re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Library Of The Netherlands
The KB National Library of the Netherlands (legal Dutch name: Koninklijke Bibliotheek or KB ; ''Royal Library'') is the national library of the Netherlands, based in The Hague, founded in 1798. The KB collects everything that is published in and concerning the Netherlands, from medieval literature to today's publications. About 7 million publications are stored in the stockrooms, including books, newspapers, magazines and maps. The KB offers digital services, such as the national online Library (with e-books and audiobooks), Delpher (millions of digitized pages) anThe Memory(about 800,000 images). Since 2015, the KB has played a coordinating role for the network of the public library. The KB's collection of websites as hosted by the former Dutch internet provider XS4ALL is on the Unesco documentary world heritage memory of the world. It is the first web collection in the world that has been granted this status. History The initiative to found a national library was proposed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
