Monday, 26 March 2007 14:04

Junk web pages hinder search say Microsoft, UCD researchers

Have you ever followed one of the top links from a search engine, only to find an ad-heavy page with little or no content relevant to your search? Researchers at Microsoft and the University of California Davis think they have figured out what's going on and how to beat the search-engine spammers.
In a research paper, Yi-Min Wang and Ming Ma from Microsoft Research, and Yuan Niu and Hao Chen from UCD, describe a "double funnel" used to deliver redirection spam. In essence, this comprises doorway pages that are optimised to attract search engines spiders but that fetch and present spam content when visited by normal users.

The good news is that only two blocks of IP addresses dominate the neck of the double funnel, providing a useful point of attack for the search engine industry and others wishing to stamp out redirection spam. Furthermore, a mere three ad syndicators were responsible for around two-thirds of the spam ads served through redirection chains.

"Ultimately, it is advertisers' money that is funding the search spam industry, which is increasingly cluttering the web with low-quality content and reducing web users' productivity," the report concludes. "By exposing the end-to-end search spamming activities, we hope to educate users not to click spam links and spam ads, and to encourage advertisers to scrutinize those syndicators and traffic affiliates who are profiting from spam traffic at the expense of the long-term health of the web."

The research paper Spam Double-Funnel: Connecting Web Spammers with Advertisers is available from UCD  and you may read more about the Strider Search Ranger used in the project at the Microsoft Research web site.

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Now’s the Time for 400G Migration

The optical fibre community is anxiously awaiting the benefits that 400G capacity per wavelength will bring to existing and future fibre optic networks.

Nearly every business wants to leverage the latest in digital offerings to remain competitive in their respective markets and to provide support for fast and ever-increasing demands for data capacity. 400G is the answer.

Initial challenges are associated with supporting such project and upgrades to fulfil the promise of higher-capacity transport.

The foundation of optical networking infrastructure includes coherent optical transceivers and digital signal processing (DSP), mux/demux, ROADM, and optical amplifiers, all of which must be able to support 400G capacity.

With today’s proprietary power-hungry and high cost transceivers and DSP, how is migration to 400G networks going to be a viable option?

PacketLight's next-generation standardised solutions may be the answer. Click below to read the full article.


WEBINAR PROMOTION ON ITWIRE: It's all about webinars

These days our customers Advertising & Marketing campaigns are mainly focussed on webinars.

If you wish to promote a Webinar we recommend at least a 2 week campaign prior to your event.

The iTWire campaign will include extensive adverts on our News Site and prominent Newsletter promotion and Promotional News & Editorial.

This coupled with the new capabilities 5G brings opens up huge opportunities for both network operators and enterprise organisations.

We have a Webinar Business Booster Pack and other supportive programs.

We look forward to discussing your campaign goals with you.


Stephen Withers

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Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences and a PhD in Industrial and Business Studies.

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