Personal Information
Organization / Workplace
San Francisco Bay Area, CA-California United States
Occupation
Engineering Director, Search Recall & Spam
Industry
Technology / Software / Internet
Website
ebay.com
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...
Tags
search
data mining
ebay
hadoop
random graph walk machine learning vector embeddin
ebay search query intent
high school
education
match
statistics
data science
reformulation
query rewrite
cloud hadoop data mining search
relevance
crowdsourcing
human judgment
machine learning
See more
- Presentations
- Documents
- Infographics
Deep Learning for Personalized Search and Recommender Systems
Benjamin Le
•
6 years ago
The dark art of search relevancy
Eddie Bell
•
8 years ago