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Method and apparatus for dynamic geo-fencing |
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System and method for estimating mobile device locations |
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Method and apparatus for geographic document retrieval |
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Multi-modal information retrieval system |
Sunil Kumar, Chandra Kholia |
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Script based interfaces for mobile phones |
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Method and system of displaying teletext information on mobile devices |
— |
2004-07-20 |
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Relative positioning and virtual objects for mobile devices |
— |
2001-09-11 |
