Search at LinkedIn

Hosted by Analytics.Club NYC Search & Discovery

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Speakers:

Asif Makhani
Director of Engineering, Search
https://www.linkedin.com/in/asifmakhani

Daniel Tunkelang
Head of Query Understanding
https://www.linkedin.com/in/dtunkelang

All of us are familiar with search as users. And as software engineers, many of us have worked on search problems in the context of web search, site search, or enterprise search.

But search at LinkedIn is different. Our corpus is a richly structured professional graph comprised of 277M+ people, 3M+ companies, 2M+ groups, and 1.5M+ publishers. Our members perform billions of searches (over 5.7B in 2012), and each of those searches is highly personalized based on the searcher's identity and relationships with other professional entities in LinkedIn's economic graph. And all this data is in constant flux as LinkedIn adds more than 2 members every second in over 200 countries (2/3 of our members are outside the United States).

As a result, we’ve built a system quite different from those used for other search applications. In this talk, we will discuss some of the unique challenges we've faced as we deliver highly personalized search over semi-structured data at massive scale.

Asif Makhani heads Search at LinkedIn. Prior to that, he was a founding member of A9 and led the development and launch of Amazon CloudSearch, a fully managed and elastic search service in the AWS Cloud. Asif has a Masters in Computer Science from Stanford University and a BMath from University of Waterloo. @asifm (http://twitter.com/asifm)

Daniel Tunkelang leads LinkedIn's efforts around query understanding. Before that, he led LinkedIn's product data science team. He previously led a local search quality team at Google and was a founding employee of Endeca (acquired by Oracle in 2011). He has written a textbook on faceted search, and is a recognized advocate of human-computer interaction and information retrieval (HCIR). He has a PhD in Computer Science from CMU, as well as BS and MS degrees from MIT. @dtunkelang (http://twitter.com/dtunkelang)