Hapori

Hapori - HAPORI: CONTEXT-BASED LOCAL SEARCH FOR MOBILE...

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Unformatted text preview: HAPORI: CONTEXT-BASED LOCAL SEARCH FOR MOBILE PHONES USING COMMUNITY BEHAVIORAL MODELING AND SIMILARITY Presented By: Brandon Ochs Nicholas D. Lane, Dimitrios Lymberopoulos, Feng Zhao, Andrew T. Campbell, Hapori: Context-based Local Search for Mobile Phones using Community Behavioral Modeling and Similarity, In Proc. of the 12th International Conference on Ubiquitous Computing, September 2010. What does Hapori do? Improves local search technology for mobile phones Uses context to provide more relevant results Incorporates behavioral modeling between user groups Improves relevance of local search results by up to 10 times What is local searching? Use GPS data to provide a list of businesses associated with a query Work best with a narrow range of queries where relevance is clear How does Hapori improve on this? Consider other factors such as time, weather, and activity of the user Build behavioral models of users and exploit the similarity between users tastes Consider emerging trends Personalize responses for each user Current prototype only uses context information that can be Key Components Compute features that capture significant aspects of context Learn customized ranking metrics that emphasize important traits in search category Model differences between people Adapt to changes in community behavior Hapori In Use Imagine a senior and a teenager located at the same position in a city on a hot day, and they happen to type the exact same search query: entertainment Normally they would both be presented with the same information However with Hapori the context and behavioral building models are taken into consideration, as well as the popular choices within the community The teenager might be given the suggestion of a free rock concert outside in the park and the senior would be informed about a popular foreign movie in an air conditioned theater Analyzing Search Log Content...
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Hapori - HAPORI: CONTEXT-BASED LOCAL SEARCH FOR MOBILE...

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