Query Rewriting in Search Engines
There’s countless information on search ranking – creating ranking functions, and their factors such as PageRank and text. Query rewriting is less conspicuous but equally important. Our experience at...
View ArticleCompression, Speed, and Search Engines
When you think compression, you probably think saving space. I think speed. In this post, I explain why compression is a performance tool, and how it saves tens of millions of dollars and helps...
View ArticleSnippets: The unsung heroes of web search
Remember when Google launched into our consciousness? Below you’ll see what you probably saw back in 1999: a clean, simple results page with ten blue links. Google search results, circa 1999 Google was...
View ArticleClicks in search
Have you heard of the Pareto principle? The idea that 80% of sales come from 20% of customers, or that the 20% of the richest people control 80% of the world’s wealth. How about George K. Zipf? The...
View ArticleRanking at eBay (Part #1)
Search ranking is the science of ordering search results from most- to least-relevant in response to user queries. In the case of eBay, the dominant user need is to find a great deal on something they...
View ArticleRanking at eBay (Part #2)
In part 1 of Ranking at eBay, I explained what makes the eBay search problem different to other online search problems. I also explained why there’s a certain kinship with Twitter, the only other...
View ArticleRanking at eBay (Part #3)
Over the last two posts on this topic, I’ve explained some of the unique problems of eBay’s search challenge, and how we think about using different factors to build a ranking function. In this post,...
View ArticleSelling on eBay
I gave a webinar last week on Search at eBay. Thank you to those who attended and asked great questions. The webinar was recorded and you can listen and view the slides here. Search at eBay. A tour of...
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