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| 20100306009 | SPECIAL-ORDERED-SET-BASED COST MINIMIZATION - An embodiment of the invention is directed toward determining a solution to an objective function that is to be maximized or minimized. An initial feasible basis is determined. An entering variable is determined to enter the initial feasible basis. It is determined if there is an exiting variable. While there is an exiting variable, the exiting variable is removed from the feasible basis, the entering variable is added to the feasible basis, and a new entering variable is determined. | 12-02-2010 |
| 20100312726 | FEATURE VECTOR CLUSTERING - One goal of computer services (e.g., email, web pages, blogs, advertisements, etc.) is to provide a user with Kinds (digital representations of everyday things) that may be relevant and interesting to the user. Users and Kinds may be plotted within a multidimensional matrix as feature vectors based upon their respective characteristics. An unsupervised clustering technique may be executed upon the matrix to create a mathematical cluster of feature vectors having similar characteristics. For example, a clothing cluster may comprise a dress Kind, a shoe Kind, a wool Kind, a watch Kind, etc. because the unsupervised clustering technique may determine these Kinds are plotted within the matrix in such a way that they have similar characteristics relating to clothing. The unsupervised clustering technique may also be utilized in determining which Kinds may be relevant to a user given a particular context with which a user is engaged with a computer resource. | 12-09-2010 |
| 20100312743 | KIND CLASSIFICATION THROUGH EMERGENT SEMANTIC ANALYSIS - A goal of computer development is to understand the user and the data with which the user is engaged. If a better understanding of the user and their data can be accomplished, then additional information and features may be provided based upon the user's intent and interests. Accordingly, as provided herein, Kinds may be created as digital representations of everyday things. Kind classifications may be created to characterize the Kinds. The Kind classifications may be updated based upon user interaction to further characterize Kinds with which the user has interacted. For example, when a user writes an email about using orange peels as an air freshener, an orange Kind classification may be updated to reflect that an orange may be used as an air freshener. Kind feature vectors and user feature vectors may be created to represent the probabilities that the Kind or user relates to particular characteristics. | 12-09-2010 |
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| 20100161289 | FRAMEWORK FOR INTEROPERABILITY OF SOLVERS - A framework may be provided for facilitating adoption of mathematical and logical solvers. A model, representing a problem, may be defined. The model may be defined: via a series of statements in a type safe common-language-specification compliant modeling language; via an intermediate format; or via a series of calls to a standardized application program interface. The framework may translate the defined model to an intermediate format, which many solvers may understand. The framework may provide a number of solver-related services including, but not limited to, services for creating a model, analyzing a model, selecting a well-suited solver based on analysis of a model, decomposing a model into multiple sub-models and providing the multiple sub-models to multiple solvers as multiple parallel threads, data binding, simulation, and post optimality analysis. | 06-24-2010 |
| 20100169257 | TRANSPARENT PARALLELISM AMONG LINEAR SOLVERS - A model, which defines a mathematical problem, and multiple directives may be received. Each of the multiple directives may be mapped to a respective linear solver instance. The linear solver instances may be launched to execute in parallel. Each of the linear solver instances may use either a primal or a dual algorithm and may further use double arithmetic, exact arithmetic, or hybrid arithmetic, as specified by corresponding ones of the multiple directives. A linear solver instance that uses hybrid arithmetic may start by using double arithmetic and may use exact arithmetic after experiencing a numerical difficulty. After the numerical difficulty is resolved, the linear solver instance that uses hybrid arithmetic may restart and continue to solve the mathematical problem using double arithmetic. After one of the linear solver instances finds an optimal solution, others of the linear solver instances may be stopped and a report may be provided. | 07-01-2010 |
| 20100169318 | CONTEXTUAL REPRESENTATIONS FROM DATA STREAMS - A user's experience with internet content may be given semantic meaning based upon extracting features of the content and creating kind classifications from the features. Kind classifications may be used to enrich a user's experience with internet content by providing meaningful navigation and discovery of information. As provided herein, a data stream (e.g., HTML, audio, video, unstructured data, etc.) is received, and features (e.g., text, phrases, titles, paragraphs, image data, etc.) may be extracted from the data stream. Kind classifications may be created based upon the extracted features. For example, a shirt image kind classification may be created based upon a button image feature, a collar image feature, and a sleeve image feature. The user's experience may be enriched by a presentation of actions allowing the user to view similar shirts, purchase the shirt, and/or discover other information relating to the shirt, for example. | 07-01-2010 |
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| 20080220126 | Pet food compositions comprising two components - Pet food compositions comprising a first component comprising a source of protein, a source of fat, and a source of carbohydrate, and a second component comprising a biologic selected from the group consisting of a probiotic component; yeast; enzymes; antibodies; immunoglobulins; cytokines; and combinations thereof are useful for providing pet food compositions that are sufficiently stable such that effective amounts of the biologic are present in the pet food compositions at the time of ingestion by a pet. | 09-11-2008 |
| 20090191310 | Method for Reducing Acrylamide in Foods, Foods Having Reduced Levels of Acrylamide and Article of Commerce - A method for the reduction of acrylamide in food products, food products having reduced levels of acrylamide, and an article of commerce. In one aspect, the method comprises reducing the level of asparagine in a food material before final heating (e.g., cooking). In another aspect, the method comprises adding to a food material an enzyme capable of hydrolyzing the amide group of free asparagine. In yet another aspect, an article of commerce communicates to the consumer that a food product has reduced or low levels of acrylamide or asparagine. | 07-30-2009 |
| 20100003369 | PROBIOTIC SUPPLEMENT, PROCESS FOR MAKING, AND PACKAGING - A pet food composition comprising a supplement is provided. The supplement can comprise a Probiotic component, a cocoa butter component, and a sweetener component. A process for making the supplement can comprise providing a sweetener component, a cocoa butter component, and a Probiotic component, mixing the cocoa butter component and Probiotic component to form a mixture in a temperature and humidity controlled chamber; mixing the mixture with the sweetener component in the temperature and humidity controlled chamber to form a final mixture; optionally mixing in a colorant with the final mixture; and cooling the final mixture. A package for the supplement can comprise a secondary container housing a primary container, which houses a supplement. An array of packages is also provided. | 01-07-2010 |
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| 20080286877 | Displacement assay for detection of small molecules - Complex of an anti-cocaine aptamer and the dye diethylthiotricarbocyanine behaves as a calorimetric sensor with attenuation in absorbance at 760 nm for cocaine in the concentration range of 2-5000 μM. Mechanistic studies indicate an intermolecular displacement of the dye as the mechanism of action of the sensor. As the dye is insoluble in buffer, cocaine binding can be detected as displaced dye precipitates and supernatant decolorizes. | 11-20-2008 |
| 20090004663 | Real-Time Assays Of Neuro-Humoral Factors To Assess Cardiovascular Stress - The present invention relates to rapid assays for neuro-humoral factors modulated in response to cardiovascular stress and integration of data obtained from such assays to provide profiles of response to cardiovascular stress that can guide therapy. | 01-01-2009 |
| 20090275027 | Medium scale intergration of molecular logic gates in an automaton - Compositions and methods for optically detecting the presence of a plurality of oligonucleotides in a sample, wherein each oligonucleotide to be detected comprises consecutive nucleotides having a sequence different than the remaining oligonucleotides of the plurality are provided. | 11-05-2009 |
| 20110065104 | REAL-TIME ASSAYS OF NEURO-HUMORAL FACTORS TO ASSESS CARDIOVASCULAR STRESS - The present invention relates to rapid assays for neuro-humoral factors modulated in response to cardiovascular stress and integration of data obtained from such assays to provide profiles of response to cardiovascular stress that can guide therapy. | 03-17-2011 |
| 20120114558 | APTAMER-MEDIATED DRUG RELEASE - The present invention relates to aptamer/drug conjugate complexes and the use of such complexes, together with a trigger compound, to inducibly release a drug. Through these complexes, the present invention provides a means for establishing a drug reservoir in a subject, whereby drug may be released as needed. One specific embodiment of the invention provides an aptamer/insulin conjugate complex from which insulin may be released by an innocuous, orally administrable trigger, such as quinine. | 05-10-2012 |
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| 20090067514 | METHOD OF NON-UNIFORM DOPPLER COMPENSATION FOR WIDEBAND ORTHOGONAL FREQUENCY DIVISION MULTIPLEXED SIGNALS - Described is a method for compensation of an OFDM signal propagating through Doppler-distorted, time-varying multipath channels. The method is based on low-complexity post-FFT signal processing. Minimum mean square error combining of signals is performed for signals received at spatially-distributed receiver elements using adaptive channel estimation and phase tracking. Doppler shifts are modeled as a consequence of motion-induced time compression and dilation. The Doppler rate is assumed constant over one OFDM block but can vary between OFDM blocks. Thus a non-constant Doppler shift is accommodated by the method. Non-uniform Doppler compensation across subchannels is based on adaptive estimation and prediction of the Doppler rate. A single adaptively estimated parameter is used to track the phases of all the carriers and channel estimates are updated on a block by block basis. | 03-12-2009 |
| 20090129204 | Apparatus, Systems and Methods For Enhanced Multi-Carrier Based Underwater Acoustic Communications - Advantageous OFDM-based underwater acoustic (UWA) apparatus, systems and methods are provided according to the present disclosure. In general, OFDM transmissions over UWA channels encounter frequency-dependent Doppler drifts that destroy the orthogonality among OFDM subcarriers. The disclosed apparatus, systems, and methods use a two-step approach to mitigate frequency-dependent Doppler drifts for zero-padded OFDM transmissions over fast-varying channels: (1) non-uniform Doppler compensation via resampling to convert a “wideband” problem into a “narrowband” problem; and (2) high-resolution uniform compensation on the residual Doppler. The disclosed apparatus, systems and methods are based on block-by-block processing and do not rely on channel dependence across OFDM blocks. Thus, the disclosed apparatus, systems and methods are advantageously applicable for fast-varying UWA channels. | 05-21-2009 |
| 20100054164 | Random Linear Network Coding for Time Division Duplexing - A new random linear network coding scheme for reliable communications for time division duplexing channels is proposed. The setup assumes a packet erasure channel and that nodes cannot transmit and receive information simultaneously. The sender transmits coded data packets back-to-back before stopping to wait for the receiver to acknowledge (ACK) the number of degrees of freedom, if any, that are required to decode correctly the information. Provided herein is an analysis of this problem to show that there is an optimal number of coded data packets, in terms of mean completion time, to be sent before stopping to listen. This number depends on the latency, probabilities of packet erasure and ACK erasure, and the number of degrees of freedom that the receiver requires to decode the data. This scheme is optimal in terms of the mean time to complete the transmission of a fixed number of data packets. It is shown that its performance is very close to that of a full-duplex system, while transmitting a different number of coded packets can cause large degradation in performance, especially if latency is high. Also described herein is the throughput performance of the novel system and technique along with a comparison to existing half-duplex Go-back-N and Selective Repeat ARQ schemes. Numerical results, obtained for different latencies, show that the novel system and technique described herein has similar performance to the Selective Repeat in most cases and considerable performance gain when latency and packet error probability is high. | 03-04-2010 |
| 20120236763 | Random Linear Network Coding for Time Division Duplexing - Subject matter disclosed herein relates to random linear network coding schemes for reliable communications for time division duplexing channels. In at least one embodiment, a transmitter node transmits M data packets through a half-duplex link using random linear network coding. The transmitter node transmits coded packets back-to-back through the link before stopping to wait for an acknowledgement (ACK) packet. An optimal number of coded packets N | 09-20-2012 |
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| 20090067537 | Adjustable Dual-Band Link - A communication system utilizing an adjustable link has at least a first data transmission circuit including at least a first communication link circuit. The first communication link circuit has a baseband circuit and at least a passband circuit. The baseband circuit corresponds to a baseband sub-channel and the passband circuit corresponds to a passband sub-channel. The first communication link circuit also includes a circuit that distributes a first subset of a data stream having a first symbol rate to the baseband circuit and a second subset of the data stream having a second symbol rate to the passband circuit. The baseband sub-channel and the passband sub-channel are separated by an adjacent guardband of frequencies. The passband carrier frequency is adjusted to define the guardband and the guardband corresponds to a first notch in a channel response of a first communications channel. | 03-12-2009 |
| 20090279637 | Bit-Error Rate in Fixed Line-Rate Systems - A method of reducing bit-error rate is described. The method includes transmitting a data stream of data words at a line rate that is adjustable and equal to a positive delta value added to an established data rate. The method includes accumulating available time slots in the transmitted data stream, and selectively retransmitting a subset of the data words such that the retransmitted data words occupy no more than the accumulated available time slots. | 11-12-2009 |
| 20100020898 | Adjustable Dual-Band Link - A communication system utilizing an adjustable link has at least a first data transmission circuit including at least a first communication link circuit. The first communication link circuit has a baseband circuit and at least a passband circuit. The baseband circuit corresponds to a baseband sub-channel and the passband circuit corresponds to a passband sub-channel. The first communication link circuit also includes a circuit that distributes a first subset of a data stream having a first symbol rate to the baseband circuit and a second subset of the data stream having a second symbol rate to the passband circuit. The baseband sub-channel and the passband sub-channel are separated by an adjacent guardband of frequencies. The passband carrier frequency is adjusted to define the guardband and the guardband corresponds to a first notch in a channel response of a first communications channel. | 01-28-2010 |
| 20110033007 | MULTI-BAND, MULTI-DROP CHIP TO CHIP SIGNALING - A system comprising: a first integrated circuit device having a multi-band transmission circuit; second and third integrated circuit devices having respective multi-band reception circuits; and a signaling link including a first stub coupled to the multi-band transmission circuit to receive a multi-band signal therefrom, second and third stubs coupled to the multi-band reception circuits of the second and third integrated circuit devices, respectively, to deliver the multi-band signal thereto, and a plurality of channel segments that extend between the first, second and third stubs to convey the multi-band transmission signal therebetween, and wherein at least one of a physical length, impedance or propagation constant of at least one of the first stub, second stub, third stub or channel segment of the plurality of channel segments is selected to spectrally position a frequency-interval exhibiting attenuated frequency response on the signaling link such that multiple passbands separated by the frequency-interval are established to enable conveyance of the multi-band transmission signal on the signaling link. | 02-10-2011 |
| 20110150051 | Multi-Tone System with Oversampled Precoders - A multi-tone system includes a data transmission circuit with an interface for receiving a data stream for transmission, a data steam splitter that splits the data stream to produce multiple substreams and a plurality of parallel data preparation circuits. Each data preparation circuit prepares a respective substream for transmission and generates a respective sub-channel signal. At least a first data preparation circuit of the plurality of parallel data preparation circuits includes a first analog filter for filtering a first substream. The first analog filter operates at a sample rate greater than the respective symbol rate of the first substream. The first analog filter provides pre-emphasis of the respective sub-channel signal and attenuation of signals outside of a respective band of frequencies corresponding to the respective sub-channel signal. The data transmission circuit also includes a combiner for combining respective sub-channel signals to generate a data transmission signal. | 06-23-2011 |
