System and method for utterance verification of chinese long and short keywords
#4502 ✅ Patent 8,041,567 granted on 2011-10-18Method of speaker adaptation for a hidden markov model based voice recognition system
#4503 ✅ Patent 7,496,545 granted on 2009-02-24Method of adaptive learning through pattern matching
#4504 ✅ Patent 7,689,414 granted on 2010-03-30Speech recognition device and method
#4505 ✅ Patent 8,032,358 granted on 2011-10-04Classifying text via topical analysis, for applications to speech recognition
#4506Speech grammars having priority levels
#4507 ✅ Patent 7,716,056 granted on 2010-05-11Method and system for interactive conversational dialogue for cognitively overloaded device users
#4508 ✅ Patent 7,925,506 granted on 2011-04-12Speech recognition accuracy via concept to keyword mapping
#4509Speech synthesis apparatus with personalized speech segments
#4510Pronunciation synthesis system and method of the same
#4511 ✅ Patent 7,590,540 granted on 2009-09-15Method and system for statistic-based distance definition in text-to-speech conversion
#4512Method of synthesizing creaky voice
#4513 ✅ Patent 7,565,292 granted on 2009-07-21Quantitative model for formant dynamics and contextually assimilated reduction in fluent speech
#4514 ✅ Patent 7,558,389 granted on 2009-07-07Method and system of generating a speech signal with overlayed random frequency signal
#4515Prosody generation for text-to-speech synthesis based on micro-prosodic data
#4516System and method of delivering live performance recordings
#4517 ✅ Patent 7,509,260 granted on 2009-03-24Systems and methods for inputting graphical data into a graphical input field
#4518 ✅ Patent 7,783,482 granted on 2010-08-24Method and apparatus for enhancing voice intelligibility in voice-over-IP network applications with late arriving packets
#4519 ✅ Patent 7,933,360 granted on 2011-04-26Method for evaluating signal transmission quality
#4520 ✅ Patent 7,580,841 granted on 2009-08-25Methods, systems, and computer-readable media for associating dynamic sound content with a web page in a browser
#4521 ✅ Patent 7,636,663 granted on 2009-12-22On-vehicle acoustic control system and method
#4522Destination device initiated caller identification
#4523 ✅ Patent 7,885,818 granted on 2011-02-08Controlling an apparatus based on speech
#4524 ✅ Patent 7,742,923 granted on 2010-06-22Graphic user interface schemes for supporting speech recognition input systems
#4525 ✅ Patent 7,353,177 granted on 2008-04-01System and method of providing conversational visual prosody for talking heads
#4526 ✅ Patent 7,349,852 granted on 2008-03-25System and method of providing conversational visual prosody for talking heads
#4527 ✅ Patent 7,366,671 granted on 2008-04-29Speech displaying system and method
#4528 ✅ Patent 7,643,987 granted on 2010-01-05Voice channel chaining in sound processors
#4529Moving picture coding apparatus, moving picture decoding apparatus, moving picture coding method, moving picture decoding method, moving picture coding program, and moving picture decoding program
#4530 ✅ Patent 7,613,603 granted on 2009-11-03Audio coding device with fast algorithm for determining quantization step sizes based on psycho-acoustic model
#4531Method for extracting periodic signal components, and apparatus for this purpose
#4532System and method for reporting and delivering sales and market research data
#4533Information processing device, information processing method, information processing program and medium
#4534Wrapping/filling method, wrapping/filling device, commodity providing method, and commodity management method
#4535 ✅ Patent 7,493,288 granted on 2009-02-17RF payment via a mobile device
#4536System and method for processing mass action litigation on a jurisdictionally dispersed basis through geographically dispersed personnel and automated data systems
#4537 ✅ Patent 8,019,636 granted on 2011-09-13Method, system and program product for planning and managing a call center study
#4538System and method of multi-account dynamic resource allocation via portable equipment
#4539Method and system for managing a fleet of vehicles
#4540Providing and managing business processes
#4541Framework to model cross-cutting behavioral concerns in the workflow domain
#4542Method and system for residential property data capture, process, and distribute on-line for sale or lease purpose
#4543Method of handling reply envelopes
#4544Method and system for user management of a fleet of vehicles including long term fleet planning
#4545Methods for grouping and maintaining low liability risk professionals
#4546Method for providing a remote diagnostic
#4547Healthcare revenue cycle management system
#4548System and method for handling multiple radiology applications and workflows
#4549Systems and methods for supplying a useful collection of medical coding data
#4550Patient identification card system and method for efficient medical care
#4551Workflow tracking based on profiles
#4552Method and system for identifying and anticipating adverse drug events
#4553System and method for providing customized interactive and flexible nutritional counseling
#4554 ✅ Patent 8,095,385 granted on 2012-01-10Method and system to track customer purchases
#4555Portable veterinary medical record apparatus and method of use
#4556 ✅ Patent 8,060,376 granted on 2011-11-15System and method for collection of community health and administrative data
#4557Medical planning agent
#4558System and method for patient directed digital medical image transmittal device
#4559Computerized method and system for providing medical service and related measurement apparatus
#4560EBCL solution
#4561 ✅ Patent 7,246,070 granted on 2007-07-17Method and apparatus for bundling insurance coverages in order to gain a pricing advantage
#4562Method and apparatus for simulating implementation models of business solutions
#4563 ✅ Patent 7,584,161 granted on 2009-09-01Software system for managing information in context
#4564Method and apparatus for collection and dissemination of information over a computer network
#4565 ✅ Patent 8,438,051 granted on 2013-05-07Rounding to transportation quantities
#4566Managed services supply chain integration
#4567 ✅ Patent 8,090,610 granted on 2012-01-03Extensible framework for designing workflows
#4568 ✅ Patent 7,805,324 granted on 2010-09-28Unified model for authoring and executing flow-based and constraint-based workflows
#4569 ✅ Patent 7,451,432 granted on 2008-11-11Transformation of componentized and extensible workflow to a declarative format
#4570 ✅ Patent 7,565,640 granted on 2009-07-21Framework for seamlessly authoring and editing workflows at design and runtime
#4571 ✅ Patent 7,631,291 granted on 2009-12-08Declarative representation for an extensible workflow model
#4572Ink-enabled workflow authoring
#4573 ✅ Patent 7,464,366 granted on 2008-12-09Programming interface for a componentized and extensible workflow model
#4574Interactive composition of workflow activities
#4575Computer-implemented system and method for generating construction specifications
#4576Identifying risks in conflicting duties
#4577Medical facility employee scheduling method using patient acuity information
#4578 ✅ Patent 7,558,784 granted on 2009-07-07Operating plan data aggregation system with real-time updates
#4579Scent delivery devices and methods
#4580System and method for appraising job performance
#4581Method and electronic device for creating personalized content
#4582Calculation device and method and point or coupon service system
#4583Method and apparatus for tracking and reporting campaign status information for a marketing campaign
#4584Method and apparatus for performing a marketing campaign on behalf of an advertiser
#4585 ✅ Patent 10,169,765 granted on 2019-01-01Method and apparatus for generating advertisement information for performing a marketing campaign
#4586Method and apparatus for allocating a campaign budget among publishers for a marketing campaign
#4587 ✅ Patent 8,099,482 granted on 2012-01-17Prioritized content download for an entertainment device
#4588Method and apparatus for dynamically rendering an advertiser web page as proxied web page
#4589Method of facilitating placement of advertising
#4590Advertising during printing of secure customized coupons
#4591System and method of creating and managing digital content offers
#4592Online loyalty program
#4593Method and system for managing coupon distribution
#4594Method and system for expediting coupon and rebate processing resulting in improving a user's credit rating
#4595 ✅ Patent 8,271,331 granted on 2012-09-18Integrated, interactive telephone and computer network communications system
#4596 ✅ Patent 7,239,241 granted on 2007-07-03Method and system for inventory control
#4597System and method for calling and communication based on search engine
#4598Tracking after point of sale (APOS) related sales for peripherals
#4599Method and system for proportionalizing costs for a transaction
#4600Culinary display kiosk
#4601Apparatus and system for monitoring and managing equipment and services
#4602 ✅ Patent 7,917,395 granted on 2011-03-29Wireless network access prepayment systems and methods
#4603 ✅ Patent 7,774,232 granted on 2010-08-10Wireless distribution of content files
#4604Selective inclusion of stored value cards in mailings
#4605 ✅ Patent 7,428,502 granted on 2008-09-23Delivery systems and methods involving verification of a payment card from a handheld device
#4606 ✅ Patent 7,925,549 granted on 2011-04-12Personalized marketing architecture
#4607Video delivery system and related method
#4608Method and apparatus for category-based photo clustering in digital photo album
#4609Product registration apparatus, product registration control method, and program
#4610Gift order system and order slip
#4611 ✅ Patent 7,376,598 granted on 2008-05-20Method, system, and computer readable medium for shipping a package to a customer while preserving customer privacy
#4612 ✅ Patent 7,480,624 granted on 2009-01-20System for supporting interactive presentations to customers
#4613Business to business management mode of internet(1)
#4614System including a handheld device for checking inventory of vending machines
#4615Apparatus and method for process managing
#4616Accounting and account reconciliating system
#4617 ✅ Patent 7,966,243 granted on 2011-06-21Method and system to automatically qualifying a party to participate in a network-based commerce transaction
#4618System for facilitating turnkey real estate investment in Mexico
#4619Method for transacting securities
#4620Real-time pin disbursement system
#4621Stored value account for use with virtual coupons
#4622 ✅ Patent 7,610,230 granted on 2009-10-27Method and system for evaluating the investment ratings of a securities analyst
#4623System and method for collateralized debt obligations
#4624 ✅ Patent 7,752,105 granted on 2010-07-06Computer-aided process of funding, including a private constant dollar instrument
#4625PROVIDING GOAL-BASED FINANCIAL PLANNING VIA COMPUTER
#4626Closed loop view of asset management information
#4627Method for marketing leased assets
#4628System, method and associated software for managing the transportation of goods
#4629Continuous online auction system and method
#4630Transaction management system
#4631Method, system, and computer program product for structuring and allocating payments on a loan with secured repayments
#4632Super accelerated mortgage and other loan payoff and wealth accumulation
#4633 ✅ Patent 7,809,618 granted on 2010-10-05Educational tuition securities system
#4634Accounting method and apparatus for intellectual property reinvestment fund
#4635Financial instrument, system, and method for electronic commerce transactions
#4636Method and system for integrated payment processing
#4637Conscription income protection plan and military draft insurance
#4638Method of effecting a payment to a service provider on behalf of a member of a medical scheme and a system therefor
#4639Electronic payment system with rejection option
#4640Multi-purpose kiosk and methods
#4641Systems, methods, and computer readable media for managing interest-bearing financial accounts
#4642 ✅ Patent 7,571,119 granted on 2009-08-04Method and system for supporting secure transactions in a peer-to-peer network
#4643 ✅ Patent 7,321,877 granted on 2008-01-22Managing a virtual persona through selective association
#4644 ✅ Patent 8,768,844 granted on 2014-07-01Method and system for content sharing and authentication between multiple devices
#4645Method and system for purchasing access to a recording
#4646Usage data collection system and method
#4647Method of considering content equivalency when rendering content
#4648System and method for distributing content
#4649Code pack for revenue protection
#4650 ✅ Patent 7,228,155 granted on 2007-06-05System and method for remotely initializing a RF transaction
#4651 ✅ Patent 7,389,117 granted on 2008-06-17System and method for message-based access
#4652Duplicate reception judgment unit
#4653Information processing device, information processing method, computer-readable recording medium containing information processing program and computer program product
#4654 ✅ Patent 7,797,184 granted on 2010-09-14Methods and systems for cumulative attribute forecasting using a PDF of a current-to-future value ratio
#4655 ✅ Patent 7,410,316 granted on 2008-08-12Cassette acceptance device with state recognition for a printing mail processing apparatus
#4656 ✅ Patent 7,580,903 granted on 2009-08-25Process for the creation of fuzzy cognitive maps from Monte Carlo simulation generated Meta Model
#4657 ✅ Patent 7,328,197 granted on 2008-02-05Identifying a state of a data storage drive using an artificial neural network generated model
#4658 ✅ Patent 7,299,213 granted on 2007-11-20Method of using kernel alignment to extract significant features from a large dataset
#4659 ✅ Patent 7,873,411 granted on 2011-01-18Interface device, interface method and control training device by the use of the interface device
#4660 ✅ Patent 7,373,332 granted on 2008-05-13Methods and apparatus for detecting temporal process variation and for managing and predicting performance of automatic classifiers
#4661Prediction by collective likelihood from emerging patterns
#4662 ✅ Patent 7,433,851 granted on 2008-10-07System and method for inferring geological classes
#4663Methods and apparatus for detecting temporal process variation and for managing and predicting performance of automatic classifiers
#4664Methods and apparatus for detecting temporal process variation and for managing and predicting performance of automatic classifiers
#4665Methods and apparatus for detecting temporal process variation and for managing and predicting performance of automatic classifiers
#4666 ✅ Patent 7,996,339 granted on 2011-08-09Method and system for generating object classification models
#4667System, method for deploying computing infrastructure, and method for constructing linearized classifiers with partially observable hidden states
#4668Virtual assistant
#4669System and method for utilizing an upper ontology in the creation of one or more multi-relational ontologies
#4670System and method for notifying users of changes in multi-relational ontologies
#4671 ✅ Patent 7,421,415 granted on 2008-09-02Methods and systems for 3D object detection using learning
#4672 ✅ Patent 7,562,057 granted on 2009-07-14System and method for hyper-spectral analysis
#4673System and method for graphically displaying ontology data
#4674 ✅ Patent 7,711,835 granted on 2010-05-04Method and apparatus for reducing disclosure of proprietary data in a networked environment
#4675 ✅ Patent 8,918,710 granted on 2014-12-23Reducing programming complexity in applications interfacing with parsers for data elements represented according to a markup language
#4676Merger integration analysis tool
#4677System and method for tracking print job status
#4678Method, system, and program for translating and interfacing between data pools and product information management (PIM) systems
#4679 ✅ Patent 8,688,662 granted on 2014-04-01Copy on access to locked objects
#4680World wide web directory for providing live links
#4681 ✅ Patent 7,788,589 granted on 2010-08-31Method and system for improved electronic task flagging and management
#4682 ✅ Patent 8,332,421 granted on 2012-12-11Automated user-friendly click-and-search system and method for helping business and industries in foreign countries using preferred taxonomies for formulating queries to search on a computer network and for finding relevant industrial information about products and services in each industrial group, and media for providing qualified industrial sales leads
#4683Interpage reference and calculation on a Web site
#4684 ✅ Patent 7,567,989 granted on 2009-07-28Method and system for data processing with data replication for the same
#4685 ✅ Patent 7,917,529 granted on 2011-03-29Method for providing requested fields by getData operation in TV-Anytime metadata service
#4686 ✅ Patent 8,412,692 granted on 2013-04-02Method and apparatus to insert a scanned document
#4687 ✅ Patent 8,103,591 granted on 2012-01-24Flexible management process for multiple activities executed on partitionable platforms of a multiple processor system
#4688Management of play count of content data
#4689 ✅ Patent 7,386,548 granted on 2008-06-10Method and data structure for performing regular expression searches in a fixed length word language
#4690 ✅ Patent 7,401,074 granted on 2008-07-15Canonicalization of terms in a keyword-based presentation system
#4691Innovative product design using application trees
#4692Apparatus and method for obtaining a log of information written on a recording medium and program therefor
#4693 ✅ Patent 7,921,126 granted on 2011-04-05Patent summarization systems and methods
#4694Method and apparatus for querying relational databases
#4695Method and apparatus for querying relational databases
#4696 ✅ Patent 7,251,643 granted on 2007-07-31System, apparatus, and method for user tunable and selectable searching of a database using a weighted quantized feature vector
#4697Data search device
#4698 ✅ Patent 9,684,675 granted on 2017-06-20Reduction of search ambiguity with multiple media references
#4699 ✅ Patent 7,437,352 granted on 2008-10-14Data plotting extension for structured query language
#4700 ✅ Patent 7,730,010 granted on 2010-06-01Method, system, and apparatus for maintaining user privacy in a knowledge interchange system
#4701System and method for controlling ranking of pages returned by a search engine
#4702 ✅ Patent 7,606,793 granted on 2009-10-20System and method for scoping searches using index keys
#4703 ✅ Patent 7,933,862 granted on 2011-04-26One click conditional formatting method and system for software programs
#4704 ✅ Patent 7,433,884 granted on 2008-10-07Identification of licensing targets using citation neighbor search process
#4705 ✅ Patent 8,386,453 granted on 2013-02-26Providing search information relating to a document
#4706 ✅ Patent 8,032,482 granted on 2011-10-04Method, system, and apparatus for providing a document preview
#4707 ✅ Patent 7,565,627 granted on 2009-07-21Query graphs indicating related queries
#4708 ✅ Patent 7,739,277 granted on 2010-06-15System and method for incorporating anchor text into ranking search results
#4709Adaptive database buffer memory management using dynamic SQL statement cache statistics
#4710Extending data access and analysis capabilities via abstract, polymorphic functions
#4711 ✅ Patent 8,046,354 granted on 2011-10-25Method and apparatus for re-evaluating execution strategy for a database query
#4712Method and apparatus for predicting relative selectivity of database query conditions using respective cardinalities associated with different subsets of database records
#4713 ✅ Patent 7,613,703 granted on 2009-11-03Organizing resources into collections to facilitate more efficient and reliable resource access
#4714 ✅ Patent 8,655,853 granted on 2014-02-18System and method for optimizing database transaction termination
#4715 ✅ Patent 7,283,995 granted on 2007-10-16NQL—netlist query language
#4716Easy-to-use data context filtering
#4717 ✅ Patent 8,732,696 granted on 2014-05-20Analytic application model and marketplace
#4718Structure independent searching in disparate databases
#4719 ✅ Patent 7,617,186 granted on 2009-11-10System, method and computer program for successive approximation of query results
#4720Systems, methods, and interfaces for providing personalized search and information access
#4721 ✅ Patent 7,752,217 granted on 2010-07-06Search device
#4722Keyword prefix/suffix indexed data retrieval
#4723Multi-level query system and method
#4724 ✅ Patent 7,822,716 granted on 2010-10-26Method for deleting user metadata managed by a TV-Anytime metadata server using an SOAP operation
#4725 ✅ Patent 7,676,496 granted on 2010-03-09Content management system, content management method and computer program
#4726Method and system for identifying a complete response to a request
#4727Process for matching vendors and users of search engines so that more valuable leads are generated for vendors
#4728 ✅ Patent 7,756,864 granted on 2010-07-13System and method for performing a search and a browse on a query
#4729 ✅ Patent 7,716,235 granted on 2010-05-11Phonetic self-improving search engine
#4730Unit for and method of detection a content property in a sequence of video images
#4731 ✅ Patent 7,630,974 granted on 2009-12-08Multi-language support for enterprise identity and access management
#4732 ✅ Patent 7,908,141 granted on 2011-03-15Extracting and utilizing metadata to improve accuracy in speech to text conversions
#4733 ✅ Patent 7,533,131 granted on 2009-05-12System and method for pestware detection and removal
#4734System and method for dynamic data masking
#4735 ✅ Patent 7,725,318 granted on 2010-05-25System and method for improving the accuracy of audio searching
#4736 ✅ Patent 7,493,328 granted on 2009-02-17Storing and searching a hierarchy of policies and associations thereof of particular use with IP security policies and security associations
#4737Selecting keywords representative of a document
#4738 ✅ Patent 7,478,080 granted on 2009-01-13Canonical abstraction for outerjoin optimization
#4739 ✅ Patent 7,657,519 granted on 2010-02-02Forming intent-based clusters and employing same by search
#4740 ✅ Patent 7,761,448 granted on 2010-07-20System and method for ranking search results using click distance
#4741Content delivery rendering engine
#4742Systems and methods of retrieving topic specific information
#4743 ✅ Patent 7,707,147 granted on 2010-04-27Self-organization approach to semantic interoperability in peer-to-peer information exchange
#4744 ✅ Patent 9,031,898 granted on 2015-05-12Presentation of search results based on document structure
#4745 ✅ Patent 7,440,944 granted on 2008-10-21Method and apparatus for efficient training of support vector machines
#4746Automated resume evaluation system
#4747Systems and methods of retrieving topic specific information
#4748 ✅ Patent 7,644,107 granted on 2010-01-05System and method for batched indexing of network documents
#4749System and method for determining file system content relevance
#4750 ✅ Patent 7,664,751 granted on 2010-02-16Variable user interface based on document access privileges
#4751 ✅ Patent 7,406,457 granted on 2008-07-29Dynamic sample data switch
#4752 ✅ Patent 9,645,712 granted on 2017-05-09Multiple stakeholders for a single business process
#4753 ✅ Patent 7,296,024 granted on 2007-11-13Method, apparatus, and computer program product for automatically migrating and managing migrated data transparently to requesting applications
#4754 ✅ Patent 8,132,225 granted on 2012-03-06Scalable and flexible information security for industrial automation
#4755Method and accelerating data search for data archive system
#4756Searching industrial component data, building industry networks, and generating and tracking design opportunities
#4757Method, software application and system for providing benchmarks
#4758 ✅ Patent 7,471,301 granted on 2008-12-30Method and system enabling real time mixing of synthetic images and video images by a user
#4759File management device, file management method, file management program and recording medium
#4760 ✅ Patent 7,578,441 granted on 2009-08-25Data retrieval method and apparatus
#4761 ✅ Patent 7,831,549 granted on 2010-11-09Optimization of text-based training set selection for language processing modules
#4762 ✅ Patent 8,166,005 granted on 2012-04-24Pathname caching and protection of the root directory in a nested multilayer directory structure
#4763 ✅ Patent 7,587,409 granted on 2009-09-08Computer-implemented system and method for handling node-link representations
#4764 ✅ Patent 7,716,315 granted on 2010-05-11Enclosure configurable to perform in-band or out-of-band enclosure management
#4765Selection based container listing
#4766Multiple document file tab channel
#4767 ✅ Patent 7,516,399 granted on 2009-04-07Structured-document path-language expression methods and systems
#4768 ✅ Patent 7,503,040 granted on 2009-03-10Configuring a shared library to accommodate relocatable data in a pervasive device
#4769Systems and methods for recommendation of personal network
#4770Workflow interaction
#4771 ✅ Patent 8,041,728 granted on 2011-10-18Utilization of display profiles with abstract queries
#4772 ✅ Patent 7,415,473 granted on 2008-08-19Multi-dimensional set object
#4773Method and system for generating a report using an object-oriented approach
#4774Apparatus and method for client-side routing of database requests
#4775 ✅ Patent 7,231,623 granted on 2007-06-12Netlist database
#4776 ✅ Patent 7,213,041 granted on 2007-05-01Saving and restoring an interlocking trees datastore
#4777Dynamic management of node clusters to enable data sharing
#4778 ✅ Patent 7,991,783 granted on 2011-08-02Apparatus, system, and method for supporting storage functions using an embedded database management system
#4779 ✅ Patent 8,126,937 granted on 2012-02-28Visual database modeling
#4780Computer system
#4781 ✅ Patent 7,337,192 granted on 2008-02-26Data exchange tool
#4782 ✅ Patent 7,664,783 granted on 2010-02-16File management program, data structure, and file management device
#4783Point of view distributed agent methodology for network management
#4784 ✅ Patent 7,424,480 granted on 2008-09-09System and method for storing and accessing data in an interlocking trees datastore
#4785Management server, system, method and program
#4786 ✅ Patent 7,640,330 granted on 2009-12-29Computer system with a terminal that permits offline work
#4787 ✅ Patent 7,461,085 granted on 2008-12-02Apparatus and method for parametric group processing
#4788 ✅ Patent 7,502,800 granted on 2009-03-10Method of capturing data changes utilizing data-space tracking
#4789 ✅ Patent 7,246,224 granted on 2007-07-17System and method to enable platform personality migration
#4790 ✅ Patent 7,505,958 granted on 2009-03-17Metadata management for a data abstraction model
#4791 ✅ Patent 7,321,905 granted on 2008-01-22System and method for efficient data recovery in a storage array utilizing multiple parity slopes
#4792 ✅ Patent 7,571,164 granted on 2009-08-04System and method for deferred database connection configuration
#4793 ✅ Patent 7,634,510 granted on 2009-12-15Method and system for time-based reclamation of objects from a recycle bin in a database
#4794Method of configuration management of a computer system
#4795 ✅ Patent 7,664,764 granted on 2010-02-16Method and system for storage and fast retrieval of digital terrain model elevations for use in positioning systems
#4796Maximum likelihood based interference cancellation for space-time coded signals
#4797 ✅ Patent 7,340,672 granted on 2008-03-04Providing data integrity for data streams
#4798Method and information database structure for faster data access
#4799 ✅ Patent 7,461,064 granted on 2008-12-02Method for searching documents for ranges of numeric values
#4800 ✅ Patent 8,489,645 granted on 2013-07-16Techniques for estimating item frequencies in large data sets