Spider

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Spider

See: SPDRs

Spider

Also called a Standard & Poor's Depositary Receipt or a SPDR. An exchange-traded fund that tracks the Standard and Poor's 500. The organization issuing the SPDR owns each of the stocks traded on the S&P 500 in approximate ratio to their market capitalization. SPDR shares can be bought, sold, short-sold, traded on margin; they generally function as if they were stocks. Dividends are paid quarterly and are based on the accumulated dividends of all the stocks represented in the SPDR, less any expenses. Investors use SPDRs (and indeed all exchange-traded funds) as a way to easily diversify their portfolios at relatively low cost. Investors also see the demand for SPDRs as an indicator of which direction the market believes the S&P 500 is going. See also: Mid-Cap SPDR.

spider

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Considering that the Web archiving is a large-scale and national project, it should undergo a weighty and dynamic managerial supervision, which can lead the project in all technologic, research and executive respects.
Web archiving projects differ in size (Wayback Machine compared to the Schlesinger Blogs collection), location (global compared to exclusively national efforts), and purpose (crawling and preserving "born digital" websites vs.
We included it in the PI specialization because it interfaces well with Web Archiving. Students enrolled in Data Manipulation learn data harvesting, processing, and aggregation of large-scale data sets, such as a web crawl.
Web Archiving Consortium and the technical registry of file formats, PRONOM.
At its most basic, web archiving entails creating a copy of the information a website provides.
So that same year, the LC established a pilot web archiving project, originally called the MINERVA (Mapping the INternet Electronic Resources Virtual Archive); today, it is simply called The Library of Congress Web Archives.
Julien Masanes spoke about a European project, the Living Web Archives, which is working on ensuring the viability of web archiving into the future.
The British Library is working with five other institutions in the UK Web Archiving Consortium and technology firm Systec to archive selected websites of likely research value, according to the BBC.
Founded by Brewster Kahle, an early Web archiving pioneer, the Wayback Machine is a part of the Internet Archive, a nonprofit organization devoted to preserving data, texts, audio, Web sites, and other digital materials since the early days of the online revolution.
This focused Web archiving project has recently reviewed its selection processes, and some interesting conclusions are discussed.

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