Welcome To Director of Engineering Search Science Recall & Spam April 3, 2015 BRIAN JOHNSON With more than 100 million active users globally, eBay is the world's largest online marketplace, where practically anyone can buy and sell practically anything. Founded in 1995, eBay connects a diverse and passionate community of individual buyers and sellers, as well as small businesses. Their collective impact on ecommerce is staggering: In 2014, the total value of goods sold on eBay was $82 billion -- more than $2,500 every second.
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Welcome To
Director of Engineering
Search Science Recall & Spam
April 3, 2015
BRIAN JOHNSON
With more than 100 million active users globally, eBay is
the world's largest online marketplace, where practically
anyone can buy and sell practically anything. Founded in
1995, eBay connects a diverse and passionate community
of individual buyers and sellers, as well as small
businesses. Their collective impact on ecommerce is
staggering: In 2014, the total value of goods sold on eBay
was $82 billion -- more than $2,500 every second.
http://www.ebayinc.com/who
DATA DRIVEN DECISIONSMETRICS & TESTING
Why?
www.wallpapertimes.com
$’s per year in
incremental revenue
Data Collection
• Cell Tracking
• Eye Tracking
• Much Richer and more Detailed online
• Behavioral Log Files
We Are Data
Trends
Intelligence:Human Machine
Data: Small Big
Sources: Few Many
Context: Aggregate Detailed
SEARCH QUERY INTENT
Users
+
Documents
What is Special for eBay Search?
•Commercial Intentions– Both the sellers and buyers have strong and clear intention
– Transactions happen on eBay, hence more behavior data
•Listings (Supply Side)– Given by sellers
– Semi-structured data
•Buyers (Demand Side)– Relevance matters (Browser vs. Searching)
– Price matters
– Seller trust/credit matters
– 70% eBay revenue starts with Search
Fish Sticks
Demand Category
42%
Business & Industrial > Electrical & Test Equipment > Electrical Equipment & Tools >
Electrical Tools > Cable Pullers
10% Business & Industrial > Construction > Building Materials & Supplies > Electrical
9% Home & Garden > Tools > Other
7% Pet Supplies > Fish & Aquariums > Fish Pond Supplies
6% Business & Industrial > Light Equipment & Tools > Air Tools > Staplers
Fishing Sticker
Demand Category
41%
eBay Motors > Parts & Accessories > Car & Truck Parts > Decals/Emblems/License
Frames > Decals & Stickers > Graphics Decals
28% Home & Garden > Home Decor > Decals, Stickers & Vinyl Art