1. SiriVoice controlled Virtual AssistantHaroon RashidMithun Bose8/25/2014 1

2. OverviewIntroductionSiri vs. SearchHow Siri works?Siri LimitationsFuture of SiriReferences8/25/2014 2 3. Siri is an iOS application. An Intelligent personal assistant Knowledge navigator Uses speech recognition andoffers personalized answers toquestions about the weather,directions, movies, etc3What is Siri?8/25/2014 4. Demo8/25/2014 4 5. Sources of information Yahoo Local TaxiMagic MovieTickets WeatherBug TrueKnowledge.com Citysearch OpenTable Rotten Tomatoes Wolfram Alpha8/25/2014 5 6. Siri Intelligence/Learning Improved intelligence software Utilizes voice recognition technology Understands the context of the search Geo-located search Remembers preferences over time Intended to be used on the go.8/25/2014 6 7. Siri vs. Search Focused on completing tasks for you, not finding raw pages Derives user intent through conversation with the user,instead of just keywords Targets your particular interests and personality Siri focuses on a few important vertical domainsRestaurants, bars, movies, events, local business, weather, andservices8/25/2014 7 8. How Siri startedAI - assistants have been the dream of technologists for a long time,but they weren't very feasible until recently.They have finally been made more so by things like much faster wireless speeds, more powerful processors (especially those in our mobile devices), the availability of vast amounts of data for training the AI, the advent of cloud computing and improvements in speech recognition methodologies.8/25/2014 8 9. How Siri WorksUsing ASR (Automatic speech recognition) to transcribe humanspeech into text. short utterances of commands, questions, or Dictations.Using natural language processing it translates transcribed text into"parsed text". part of speech tagging, noun-phrase chunking, dependency & constituent parsing8/25/2014 9 10. How Siri WorksUsing question & intent analysis to analyze parsed text, detecting user commands and actions. Ex: "Schedule a meeting", "Set my alarm", ...Using data mashup technologies to interface with 3rd-party webservices such as OpenTable,WolframAlpha, to perform actions, search operations, and questionanswering Question utterances, that it cannot directly answer, will be forwarded.8/25/2014 10 11. How Siri WorksTransforming output of 3rd party web services back into naturallanguage text Ex: Today's weather report -> "The weather will be sunnyUsing TTS (text-to-speech) technologies to transform the natural language text to synthesized speech.8/25/2014 11 12. Siri Limitations Cannot handle general knowledge or tasks outside of its focus areas Cannot do complex planning and purchasing Takes a while to learn your preferences Voice recognition software has flaws Because Siri is interacting with servers on the cloud, WiFi or cellular connectivity is necessary. Siri also won't work very well if you end up in an area with weakcellular service.8/25/2014 12 13. Future of Siri Siri is an early prototype of the next generation search engine Siri may change user expectation of search Personalizes search remembers over time Greater importance for local search Rise of partnerships among APIs8/25/2014 13 14. References1. http://www.apple.com/ios/siri/?cid=oas-us-domains-siri.com2. http://electronics.howstuffworks.com/gadgets/high-tech-gadgets/siri.htm3. http://en.wikipedia.org/wiki/Siri8/25/2014 14 15. Thanks!8/25/2014 15