Knowledge Graph 谷歌知识图谱.pptx

Google’sknowledge graph Nicholas Michalak Technical Presentation COSC 380 What’s the Plan? Give a very concise history of Google Mention a few major innovations Explain the Knowledge Graph Show a few examples of what the Knowledge graph is capable of Wrap-up with conclusion and questions How it all started 1996: Larry Page and Sergey Brin begin work on a search engine called BackRub 1997: Changed name to Google April 1st 2000: Announce the MentalPlex Able to read user’s minds By 2001 available in 26 different languages and image search is available One Important Goal Return the best search results possible, conveniently and fast Major Innovations to help accomplish this: 2000: Google tool bar 2004: Google SMS (Short Message Service) 2005: Google Maps, iGoogle, Google Earth 2007: Gmail opens to public 2010: Google Instant 2012: **Knowledge Graph** Before the Knowledge Graph How does Google work? Crawling – searching the web Page Ranking – Based on linkage Word Indexing – indexes keywords on different pages When user enters search looks for instances where a majority of the words they entered are grouped in proximity to each other Displays these based on ranking Knowledge Graph First step towards providing users with answers, rather than a collection of search results Attempt to turn ambiguous words into actual concepts understandable by search engine Distinguishes between homophones *The knowledge graph only appears when you are searching for data already in its continuously growing database How does KG Work New format for collecting and storing information about particular objects Links this information to other relatable objects that you might also be interested in This information shows up on a panel next to your web results, along with links other people found useful related to your topic What it looks like Web Results have not changed What it looks like This is what’s new *The Type of information that appears in this panel depends on what you are searching for