Sadagopan
Jayashree Sadagopan, Redmond, WA US
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20120158891 | TECHNIQUES FOR UNIVERSAL REPRESENTATION OF DIGITAL CONTENT - A universal content representation system (“UCRS”) implements techniques for universally representing digital content such as files, device information, and applications across a group of electronic devices that includes at least a source electronic device and a remote electronic device. Proxy content items, which correspond with items of content (“source content items”) stored on the source electronic device, are data stores for the corresponding source content items, and visually represent the corresponding source content items on the remote electronic device, whether the source electronic device is online or offline. A user of the remote electronic devices uses the proxy content items to search for and view source content items prior to requesting full access to the source content items. From time-to-time, source content items and proxy content items are synchronized with each other. | 06-21-2012 |
20120159260 | RESOURCE INDEX IDENTIFYING MULTIPLE RESOURCE INSTANCES - A resource index on a computing device identifies multiple resource instances (e.g., multiple user interface (UI) resource instances) of multiple resource items (e.g., of multiple UI resource items), each resource instance having one or more resource instance conditions. In response to a request for a resource item received from an application, a determination is made based on the resource index of one of the multiple resource instances that satisfy conditions associated with the request, and the one of the multiple resource instances is returned to the application. Additionally, the resource index can be used to identify potential errors in running an application in various potential contexts. | 06-21-2012 |
Narayanan Sadagopan, Fremont, CA US
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20080301090 | DETECTION OF ABNORMAL USER CLICK ACTIVITY IN A SEARCH RESULTS PAGE - The present invention provides for the detection of abnormal user behavior for a query session of an electronic search engine. A query session is initiated upon receipt of a user search request that includes one or more search terms. The search engine, in accordance with known search technology, generates a search results page that includes various hyperlinks, including for example web content hyperlinks, page navigation hyperlinks and advertising hyperlinks. Tracking user activities generates the clickstream associated with the search results page. The present invention determines a probability score for the clickstream and then this score is normalized. A comparison of the normalized probability score with other normalized probability scores for similar query sessions determines of the normalcy of the query session. | 12-04-2008 |
Narayanan Sadagopan, Sunnyvale, CA US
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20110231380 | SESSION BASED CLICK FEATURES FOR RECENCY RANKING - In one embodiment, access one or more query chains, wherein each one of the query chains comprises two or more search queries, {q | 09-22-2011 |
20110231390 | SESSION BASED CLICK FEATURES FOR RECENCY RANKING - In one embodiment, access one or more query-resource pairs, wherein for each one of the query-resource pairs comprising one of one or more search queries and one of one or more network resources, the one search query is recency-sensitive with respect to a particular time period, and the one network resource is identified for the one search query, and a resource-view count and a resource-click count associated with each one of the query-resource pairs; and construct one or more first click features using the resource-view counts and the resource-click counts associated with the query-resource pairs. To construct one of the first click features in connection with one of the query-resource pairs comprises determine a only-resource-click count associated with the one query-resource pair; and calculate a ratio between the only-resource-click count and the resource-view count associated with the one query-resource pair as the one first click feature. | 09-22-2011 |
20120016772 | Value Maximizing Recommendation Systems - A server determines a plurality of immediate candidate items for a first web page to recommend to a user. For each particular immediate candidate item of the plurality of immediate candidate items, the server determines a separate sequence of two or more subsequent possible candidate items for subsequent web pages to recommend to the user in the event that the user selects the particular immediate candidate item. Further, the server selects a particular immediate candidate item from the plurality of immediate candidate items for the first web page to recommend to the user. The first web page that recommends the plurality of immediate candidate items is generated and sent over the Internet to the user. | 01-19-2012 |
Sriram Sadagopan, Darien, IL US
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20130268215 | System and Method for Prediction of Snap-Through Buckling of Formed Steel Sheet Panels - A simplified tool is provided for simultaneous prediction of dent resistance and snap-through buckling resistance of roof panels including the effect of roof bow placement, curvatures of the roof panel, thickness of the roof, and steel grade. In one embodiment, a method of predicting snap-through buckling resistance of a sheet metal panel to an applied load under localized loading conditions is provided, wherein the sheet panel has certain defined geometries. The method includes the steps of: identifying first and second principal radii of curvature of the panel; identifying a thickness of the panel; identifying the distance of a portion of the panel between structural supports; creating a mathematical function to determine load deflection behavior for snap-through buckling; and determining the likelihood of the panel to display snap-through buckling characteristics under various localized applied loads by inputting the parameters. | 10-10-2013 |
Thiruvikraman Sadagopan, Mountain View, CA US
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20100128336 | INTEGRATED CONTROL SYSTEM FOR LASER AND MACH-ZEHNDER INTERFEROMETER - An integrated control system for a laser and Mach-Zehnder interferometer are disclosed and may include configuring a bias point for low-speed control of an optical modulator utilizing control circuitry integrated on the same CMOS die. The optical modulator may be differentially monitored. A laser source for the modulator may be controlled utilizing monitor photodiodes via optical taps on outputs of the modulator, or utilizing a monitor photodiode on one output port of the modulator, which may comprise a Mach-Zehnder interferometer. An error signal may be generated by subtracting monitor photodiode signals from optical taps on output ports of the modulator. The bias point of the modulator may be adjusted by minimizing the error signal. Calibration time of the bias point may be reduced utilizing electronic data inversion. An output of the modulator may comprise a Y-junction and a single monitor photodiode may measure both branches of the modulator. | 05-27-2010 |
Thiruvikraman Sadagopan, Carlsbad, CA US
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20090148094 | DISTRIBUTED AMPLIFIER OPTICAL MODULATOR - Various embodiments described herein comprises an optoelectronic device comprising a waveguide structure including a plurality of optical modulator elements each having an optical property that is adjustable upon application of an electrical signal so as to modulate light guided in the waveguide structure. The optoelectronic device also comprises a plurality of amplifiers in distributed fashion. Each amplifier is electrically coupled to one of the optical modulators to apply electrical signals to the optical modulator. | 06-11-2009 |