How Orbitz uses Hadoop and R to optimize hotel searchRevolutions Milestones in AI, Machine Learning, Data Science, and visualization with R and Python since 2008 Positional bias — the tendency for users to preferentially select results in the first few positions of a search — is a big issue for all kinds of search engines. But for online travel site Orbitz the stakes are higher than for a traditional Web search engine: if a customer chooses the firs
