Personal Information
Organization / Workplace
San Francisco Bay Area, CA-California United States
Occupation
Engineering Director, Search Recall & Spam
Industry
Technology / Software / Internet
Website
About
Directly improving eBay revenue by millions of dollars per engineer per year via improvements to eBay search recall without degrading relevance. Using data mining, machine learning, and map/reduce hadoop.
* Spell Correction
* Query Rewrites/Reformulation
** Synonym expansions
** Acronym expansions
** Compound word and space synonym expansion
** Attribute expansions
** Category expansions
* Null/Low Recovery
* Related Search (2012)
Removing Search SPAM (Search Manipulation)
* Created new team to combat search engine manipulation (spam)
* 2012 Critical Talent & Engineering Champion awards
* Responsible for search recall, query rewrites/expansions, spell correction, spam, and related se...
Contact Details
Tags
search
data mining
hadoop
ebay
machine learning
human judgment
crowdsourcing
relevance
cloud hadoop data mining search
query rewrite
reformulation
data science
statistics
match
education
high school
ebay search query intent
random graph walk machine learning vector embeddin
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