Search engine optimization different signals. The leading search engines, Google, Bing, and Yahoo, do not disclose the algorithms they use to rank pages. Some SEO practitioners have studied different approaches to search engine optimization, and have shared their personal opinions. Patents related to search engines can provide information to better understand search engines. In 2005, Google began personalizing search results for each user. Depending on their history of previous searches, Google crafted results for logged in users. In 2007, Google announced a campaign against paid links that transfer PageRank. On June 15, 2009, Google disclosed that they had taken measures to mitigate the
Jinni (search engine) Jinni (search engine) Jinni is a search engine and recommendation engine for movies, TV shows and short films. The service is powered by the Entertainment Genome, an approach to indexing titles based on attributes like mood, tone, plot, and structure. Its availability is via API, in business-to-business licensing, where it impacts businesses like Comcast's Xfinity product (and others whose capabilities benefit from smart entertainment search). The Jinni service included semantic search, a meaning-based approach to interpreting queries by identifying concepts within the content, rather than keywords. The search engine provided a taste-based video discovery experience by mood, plot and other