Patent application number | Description | Published |
20080222135 | SPAM SCORE PROPAGATION FOR WEB SPAM DETECTION - A SPAM detection system is provided. The system includes a graph clustering component to analyze web data. A link analysis component can be associated with the graph clustering component to facilitate SPAM detection in accordance with the web data. | 09-11-2008 |
20080222725 | GRAPH STRUCTURES AND WEB SPAM DETECTION - A SPAM detection system is provided. The system includes a graph clustering component to analyze web data. A link analysis component can be associated with the graph clustering component to facilitate SPAM detection in accordance with the web data. | 09-11-2008 |
20080222726 | NEIGHBORHOOD CLUSTERING FOR WEB SPAM DETECTION - A SPAM detection system is provided. The system includes a graph clustering component to analyze web data. A link analysis component can be associated with the graph clustering component to facilitate SPAM detection in accordance with the web data. | 09-11-2008 |
20080235187 | RELATED SEARCH QUERIES FOR A WEBPAGE AND THEIR APPLICATIONS - An inversion of the basic format of searching is provided herein. Instead of receiving a search query and providing web page results, a search engine receives a web page identifier as search input from an end user, determines related search queries for the associated web page, and provides the related search queries to the end user issuing the search. Related search queries for web pages may also be used to refine search engines performing the basic form of searching by facilitating the determination of web pages to index and the ranking of web pages as search results to user queries. Additionally, related search queries may be used in advertising revenue generation and sharing. | 09-25-2008 |
Patent application number | Description | Published |
20080313131 | PARAMETER-SENSITIVE PLANS FOR STRUCTURAL SCENARIOS - Systems and methods that generate specialized plans for compiling SQL queries. A plan generator component scans the query representation for parameter sensitive predicates and evaluates each predicate individually based on the parameter values. Accordingly, queries can be identified not only based on their structures, but also based on their parameter conditions. The specialized plans are more efficient for particular values, wherein queries that employ such values are optimally executed. | 12-18-2008 |
20090012980 | Efficient Query Processing Of Merge Statement - Disclosed are systems and methods for optimization and efficient processing of MERGE statements. MERGE allows performing a mix of inserts, updates, and deletes in a single statement, and introduces new challenges compared to legacy DML statements, where the kind of action to be performed is hard-coded and known at compile time. Such optimizations may include Halloween Protection detection for MERGE statements, optimized prevention of non-deterministic MERGE statements, in-place inserts for MERGE statements scanning the “Read Instance” of the target table, and optimized execution of MERGE statements seeking the “Read Instance” of the target table. Such optimizations may be fundamental in order to ensure proper performance and reliable processing times. | 01-08-2009 |
20140181342 | PRIORITIZED LOCK REQUESTS TO REDUCE BLOCKING - A method includes requesting a lock on a resource. The request for the lock on the resource is specified as a low priority non-blocking request that does not block one or more other requests such that one or more other requests can request a lock on the resource and obtain the lock on the resource in priority to the low priority non-blocking request. Based on the low priority request, the method includes maintaining the low priority request in a non-blocking fashion until a predetermined condition occurs. As a result of the predetermined condition occurring, the method includes handling the low priority request such that it is no longer treated as a low priority non-blocking request. Embodiments may further include a kill request which kills any operations on the resource, aborts any transactions having a lock on the resource, and locks the resource. | 06-26-2014 |
Patent application number | Description | Published |
20090164794 | Digital Content Storage Process - The digital content store provides users with an opportunity to purchase authorized usage of digital content, such as single or multiple music tracks, video, movies, and/or video games. The users can also buy license to a desired track for a fixed number of times, e.g. preferably the users can listen on three different machines simultaneously. Users can also burn a play list of X number of times, for example ten. The burn limit preferably applies to the play list, not the song. Mixed media capability is provided that allows the purchase of digital content and/or physical media. The digital content store system comprises a unique digital rights management system and a back-end enabling system that controls these digital rights. | 06-25-2009 |
20090175591 | MULTIMEDIA SCHEDULER - A song and ad scheduler supporting clip-based and stream-based scheduling of multimedia items generates several hours of schedule in advance. Having multiple channel capability, the scheduler uses as inputs: the channel, associated playlists, rotation pattern for the channel, and associated programming rules to produce a schedule of multimedia items for the channel. Initially, the scheduler produces a schedule for each channel of predetermined length; then it periodically revisits the channel to add more songs, keeping the schedule to the desired length. Length of the initial playlist is configurable. The scheduler uses a producer-consumer model for distributing work. Producer threads periodically scan the system for work to be done. When a producer thread encounters work to be done, e.g. adding to the schedule of a channel, the producer thread places a work request into a queue. Worker threads consume the work requests by fulfilling the requested work. | 07-09-2009 |
Patent application number | Description | Published |
20090316881 | TIMESTAMP QUALITY ASSESSMENT FOR ASSURING ACOUSTIC ECHO CANCELLER OPERABILITY - A voice communication end device provides echo reduction when operating in a full duplex mode using acoustic echo cancellation, which includes periodic audio queue adjustments to account for drift. The end device performs a quality assessment by calculating consistency statistics for the queue adjustments to determine whether acoustic echo cancellation would be ineffective, and if so falls back to a half duplex mode using voice switching. | 12-24-2009 |
20090316924 | ACCOUSTIC ECHO CANCELLATION AND ADAPTIVE FILTERS - In one embodiment, a two-way telecommunication device may perform acoustic echo cancellation on incoming signals. An audio decoding module may produce an audio render signal. An audio capture interface may receive an audio capture signal. A short length adaptive filter may determine a time delay between the audio render signal and the audio capture signal by adaptively predicting a sub-band of the audio capture signal using a corresponding sub-band of the audio render signal. | 12-24-2009 |
20100177884 | ECHO PRESENCE DETERMINATION IN VOICE CONVERSATIONS - Presence of echo in a conversation is determined through a search performed in the sub-band domain using independent short length adaptive filters across a range of sub-band and maximum expected echo delay values. The adaptive filters attempt to predict and cancel the echo in the microphone signal based on the content in the speaker signal. If substantial cancelation is achieved in any of the sub-band filters, echo presence in the microphone signal is determined. | 07-15-2010 |
20100246804 | MITIGATION OF ECHO IN VOICE COMMUNICATION USING ECHO DETECTION AND ADAPTIVE NON-LINEAR PROCESSOR - Architecture that mitigates echo in voice communications using echo detection and adaptive management of attenuation by a non-linear processor (NLP). Suppression values provided by the NLP are determined based on echo detection and retained on a case-by-case basis to automatically increase or decrease the attenuation as needed. Feedback is incorporated that where the controls for the NLP attenuation is given by the amount of echo that remains, and this in turn affects the amount of echo that remains. | 09-30-2010 |
20110093102 | MITIGATING THE IMPACT OF NONLINEAR ECHOS BY DYNAMIC RANGE COMPRESSION - Mitigation of nonlinear echoes by dynamic range compression may be provided. An audio output may be evaluated to determine whether nonlinear echoes are interfering with an audio signal. In order to reduce such nonlinear echoes, a dynamic range compression algorithm may be applied to the audio signal prior to output. The signal may be modified according to a compression wave and/or subjected to an attenuation factor. | 04-21-2011 |
20120250830 | CONFERENCE SIGNAL ANOMALY DETECTION - Detecting at least one of an echo detector and a noise detector based on analysis of audio streams transmitted to and received from each endpoint of a conference. When certain characteristics of the respective audio streams for a given endpoint are classified as significant against certain criteria, a determination is made as to whether that endpoint is a source of echo and/or noise. Subsequent actions are taken to alert users and/or prevent broadcast of impaired signals. | 10-04-2012 |
20130332155 | Double-Talk Detection for Audio Communication - The detection of double-talk in audio communication is provided. A communication device may receive an echo signal mixed with a speech signal at a near end location. The echo signal may be generated by speech transmitted by a remote party at a far end location to a local party at the near end location. The speech signal may be received from the local party for transmission to the remote party. The communication device may then filter the echo signal and the speech signal. The communication device may then analyze the speech signal to identify speech characteristics which indicate the presence of double-talk. The communication device may then set a flag upon identifying the speech characteristics which indicate the presence of the double-talk. The communication device may then process the filtered signals to further suppress remaining echo prior to transmission of the speech signal to the remote party. | 12-12-2013 |
20140169568 | CORRELATION BASED FILTER ADAPTATION - Example apparatus and methods concern performing stereo acoustic echo cancellation using a correlation based filter adaptation control approach and without using stereo de-correlation. An embodiment includes a stereo adaptive filter that produces an echo removed microphone signal from received audio signals. The embodiment includes a mono adaptive filter that produces an echo removed microphone signal from the received audio signals. A correlation detector determines a level of correlation between the received signals and provides a signal to an adaptive filter controller. The adaptive filter controller controls how the stereo adaptive filter and the mono adaptive filter adapt audio echo cancellation as a function of the correlation between the received signals. A signal selector may select for output the signal from either the stereo adaptive filter or the mono adaptive filter based, for example, on the power level of the signals. | 06-19-2014 |