SharpSpider: A Continuous, Parallel and Distributed Spider

Name: SharpSpider: A Continuous, Parallel and Distributed Spider
Brand: VDM Verlag Dr. Müller
SKU: 9783639148862
Price: 1407 CZK
Availability: InStock

Design and implementation of software to navigate the Web autonomously

Autor: Marco Palomino

Jazyk:

Vazba: Brožovaná

Vydavatel: VDM Verlag Dr. Müller

Dostupnost: U nakladatele na objednávku

Odesíláme za 17-27 dnů

1 407 Kč

Search engines have become so indispensable that §they rank second only to e-mail as the most popula...

Informace o knize

Autor

Marco Palomino

Jazyk

Angličtina

Vazba

Kniha - Brožovaná

Vydáno

2009

Stránek

160

EAN

9783639148862

Enbook ID

06823440

Vydavatel

VDM Verlag Dr. Müller

Hmotnost

255

Rozměry

150 x 220 x 10

Kompletní popis

Search engines have become so indispensable that §they rank second only to e-mail as the most popular §online activity. To respond to queries in a timely §fashion, search engines make use of large indices of §word occurrences on Web pages to cross-reference §websites to keywords. Such indices are maintained by §spiders, a special kind of computer program that §browses the Web autonomously. However, due to a §variety of technological limitations, a single §spider has proven insufficient to maintain a search §engine's index. Hence, in this book, we review §several alternatives to split a spider's work into §multiple processes, and define a methodology to §preserve an up-to-date index of the Web. §SharpSpider, our prototype spider, has been §evaluated using the resources of PlanetLab, a §globally distributed platform for developing and §deploying planetary-scale services. Despite the §utilisation of very modest equipment, we have §performed large crawls of the Web, distributing the §workload amongst various computers spread across §different continents. The statistics derived from §our research offer valuable insight into the nature §of educational Web resources.

Mohlo by vás zajímat

Zákaznicí kteří koupili tuto knihu koupili také

Nejčastěji hledané

Categories

Authors

Publishers

Produkty

Produkty

Nejčastěji hledané

Categories

Authors

Publishers

Produkty

Produkty

SharpSpider: A Continuous, Parallel and Distributed Spider

Design and implementation of software to navigate the Web autonomously

Informace o knize

Kompletní popis

Mohlo by vás zajímat

Zákaznicí kteří koupili tuto knihu koupili také