1 Raghu Ramakrishnan Research Fellow Chief Scientist, Audience and Cloud Computing Yahoo! Purple Clouds:

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Raghu RamakrishnanResearch Fellow

Chief Scientist, Audience and Cloud ComputingYahoo!

Purple Clouds: Data-Management@Yahoo!

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Research Projects(in Audience Science and Y! Research)

• Content optimization (AS, Y!R)• Cloud Computing (Y!R)

– Hadoop, Pig, Sherpa • Information extraction (Y!R)

• Mail spam (AS, Y!R))• Search & Advertising (Y!R)

Today’s talks

Lots more going on!

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Yahoo! Home Page Featured Box

• It has four tabs: Featured, Entertainment, Sports, and Video

Online Models for Content Optimization (NIPS 2008) D. Agarwal, B. Chen, P. Elango, N. Motgi, S. Park, R. Ramakrishnan, S. Roy, J. Zachariah

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Novel Aspects

• Classical: Arms assumed fixed over time– We gain and lose arms over time

• Some theoretical work by Whittle in 80’s; operations research

• Classical: Serving rule updated after each pull– We compute optimal design in batch mode

• Classical: Generally. CTR assumed stationary– We have highly dynamic, non-stationary CTRs

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Comparing buckets

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Audience—Research Collaboration

Yahoo! Research

• Deepak Agarwal• Bee-Chung Chen• Wei Chu• Pradheep Elango• Raghu Ramakrishnan • Seung-Taek Park

Audience Engineering

• Todd Beaupre• Kenneth Fox• Nitin Motgi• Scott Roy• Joe Zachariah

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babycenter

epicurious

Search Results of the Future

yelp.com

answers.com

LinkedIn

webmd

Gawker

New York Times

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DBLife

Integrated information about a (focused) real-world community

Collaboratively built and maintained by the community

CIMple software package

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Opening Up Yahoo! SearchPhase 1 Phase 2

Giving site owners and developers control over the appearance of Yahoo!

Search results.

BOSS takes Yahoo!’s open strategy to the next level by providing Yahoo!

Search infrastructure and technology to developers and companies to help them

build their own search experiences.

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