57results about How to "High speed search" patented technology

Provided is a method for performing high-speed search for a content key associated with encrypted content in the case of a key-separation-type content management method where content keys and their respective pieces of encrypted content are correlated by ID information and stored in different recording media. An external recording medium is used to store a plurality of content files that contain: their respective pieces of encrypted content that are encrypted with different encryption keys; and their respective content IDs, each being associated with a corresponding piece of the encryption content, and a semiconductor recording medium is used to store a list that contains: pieces of encryption key storage location information, each indicating where a corresponding one of the encryption keys is stored; and the content IDs, the list being sorted in accordance with the content IDs. When encrypted content is played back, the list is searched to find encryption key storage location information associated with a content ID that matches the content ID of the encrypted content, and the encryption key is read based on the encryption key storage location information.

In a video disk recording/playback device for converting a digital video signal or the like into high-efficiency coded data and recording the coded data on a video disk, or for restoring high-efficiency coded data recorded on the video disk and reproducing an output image, wherein said digital video signal is composed of a succession of video signals of a plurality of frames and including an I picture encoded within a frame, a P picture interframe coded by forward motion compensation with reference to said I picture and/or another P picture, and a B picture interframe coded by motion compensation in both directions with reference to said I and/or P pictures temporally preceding and succeeding the B picture, there are further provided a means for recording in an image information table set up on said video disk all of the start addresses of coded data representing selected images such as images to be retrieved and the start addresses of data containing information required for reproducing the coded data. With the above configuration, retrieval of all kinds of images of I, P, and B pictures is possible by recording all of the start addresses of coded data representing selected images such as images to be retrieved and the start addresses of data containing information required for reproducing the coded data in the image information table on the video disk.

The invention discloses an electronic memo pad for realizing multiple prompting modes in a telephone set, wherein different mode including present day, each week and each day can be configured, multiple prompting items can also be facilitated for the user, a data base index method is employed for realizing high speed search, convenient editing, initialization, and seeking for memo items. The invention also provides a memo prompting function.

An appropriate ring topology is selected by searching network topology information on the basis of given information about client signal paths on a predetermined condition, and a wavelength ring accommodating the client signal paths and having an optimal transmission characteristic is designed on the basis of the selected ring topology. Accordingly, accommodation of client signal paths in an optical network is efficiently designed.

The program recommendation device includes a search term receiver that receives at least one search term designated by a user, a partial match searcher that searches an electronic program list for programs having program information with words and phrases partially matching the search term designated by the user and outputs a partial match search result set, a language analyzer that performs a language analyzing process on the program information of each of the programs contained in the partial match search result set and outputs an analyzed search result set, an exact match searcher that searches the analyzed program information contained in the analyzed search result set for programs with words and phrases exactly matching the search term designated by the user and outputs an exact match search result set. A recommended program display displays programs contained in the exact match search result set as recommended programs.

The invention provides an ultrasonic radiography characteristic automatic identification system and method based on an artificial nerve network model; the system comprises the following elements: a data input unit used for inputting ultrasonic radiography image data; a data storage unit used for collecting and storing the inputted ultrasonic radiography image data; a data processing unit used for extracting various ultrasonic radiography image characteristics from the collected ultrasonic radiography image data, building an artificial nerve network according to the various ultrasonic radiography image characteristics and corresponding identification results, and identifying to-be processed images according to the artificial nerve network; a data output unit used for outputting the processing result of the data processing unit. The ultrasonic radiography characteristic automatic identification system and method can help to identify pathology CEUS characteristics of an interested area (pathology area).

Pattern recognition apparatus and method for recognizing a recognition object by comparing with pre-registered models. From an inputted image, multiple feature points are extracted; therefrom, combination of multiple feature points is selected; and from the multiple selected feature points, bases which represent the positions and positional relations of these feature points are calculated. A partial pattern of the recognition object corresponding to each of the calculated bases is extracted from the image; and a search place on the table is decided based on an invariant parameter to geometric transformation of the partial pattern. The similarity between the partial pattern of the model registered in the search place on the table and the partial pattern of the recognition object is judged; and a plurality of hypothesis information showing that the recognition object exists in the image is generated based on the similarity between both partial patterns. The identification, position etc are decided based on the information.

A music information searching method includes extracting modulating spectrums from audio data, generating modulating spectrum peak point audio fingerprints by using position information which relates to preset peak points from the extracted modulating spectrums, converting the generated modulating spectrum peak point audio fingerprints into hash keys which indicate addresses of hash tables and hash values that are stored on the hash tables via hash functions, and searching music information by extracting hash keys which relate to audio query clips and comparing the extracted hash keys with the indicated addresses of the hash tables.

An object of this invention is to realize, in a semiconductor defect review apparatus, a function of easily searching for an image similar to a reference image at high speed. To this end, an embodiment of this invention has a function of saving, as text information, pieces of information accompanying an image such as acquisition date and time, an acquisition condition, the result of analyzing a piece of information other than the image, and a user's comment, in association with the image. The embodiment is configured to narrow down similar image candidates by a keyword search using the pieces of accompanying information, calculate similarity of each image to a search reference image on the basis of the features of the image, and output search results in descending order of similarity.

Provided are a network security audit and access system based on Openflow, a network security audit method based on Openflow, and a network security access method based on Openflow. The invention provides a solution in view of high equipment cost and difficulty in function expansion of a network security audit system and an access control system which are widely used in an IP network. An expensive dedicated device for generating flow is not required. By means of a characteristic based on flow operation of an Openflow switch, flow information extraction and access control are performed economically and conveniently. A function of searching a mass of audit flow records at a high speed can be provided by a cheap open-source cloud platform. The method may utilize soft definition and is based on safety strategy control so as to contribute to a decrease in network security equipment cost and simplification of operation procedures.

An operation such as changing the coordinates of a specified position is performed on a two-dimensional display screen 103 of a display unit 5 by using an input pen 102, a touch-panel, etc., as an operation input unit 103 to shift the list of candidate character strings which is displayed on the display screen at the initial screen. The contents of the list of the candidate character strings which are displayed on the display screen 103 are continuously changed until a desired candidate character string appears on the screen 103.

One new file and one old file are sequentially compared from the heads of the files on a predetermined data unit basis. If a data match is found, transfer information showing a position and a data length of the old file is output. If a data mismatch is found by the sequential comparison, the old file is searched in both directions from the data position where the mismatch had been found in the old file, thereby finding a portion which matches with the data of the new file. If the matching portion can be found, shift information up to the matching portion on the old file is output. If the matching portion cannot be found, new data is added to transfer replacement information showing a length of data of the mismatching portion of the old file at a position until the matching portion can be found, and the resultant transfer replacement information is output.

The invention provides a message analysis and shunt method and apparatus. The method comprises the following steps: receiving a message and establishing key information Key; querying a preset behaviorpreset table according to the constructed key information Key; judging whether the received message is a large-flow message according to the query result; if so, querying a preset DPI resource analysis table, and obtaining a DPI processing unit that is in an idle state at present; sending the large-flow message to the DPI processing unit that is in the idle state at present to process the message; and sending the message processed by the DPI processing unit to a destination port. According to the message analysis and shunt method and apparatus, classification processing is performed on the message to effectively remove illegal messages and quickly and accurately process the legal messages, thereby improving the processing ability of a large number of messages, making response to the preferred processing of real-time messages with high priority, improving the processing performance of the back end DPI and other network DPI analysis devices, and saving the network resources.

The invention discloses a message forwarding method of a router. The method comprises the following steps of: generating and storing a plurality of single next-jump forwarding table entries from a plurality of next-jump routing table entries; receiving an input message; searching the plurality of stored single next-jump forwarding table entries; matching a single next-jump forwarding table entry according to a destination IP (Internet Protocol) address maximum matching principle; and transmitting the message to a corresponding output interface. By adopting the message forwarding method of the router, provided by the invention, the adoption of the conventional multi-stage search mode is avoided, the plurality of next-jump routing table entries are converted into a plurality of single next-jump forwarding table entries, a search process during forwarding of a message by the router is simplified, and high-speed searching of a router data plane is realized; in addition, since the generated forwarding table entry is approximately and uniformly resolved according to the number of a next jump, load balance can be realized under the condition that the destination IP address of the message is uniformly distributed; and besides, since a destination IP address range-based split mechanism is adopted, an order preserving function of a data flow can be realized.

The invention relates to a method for processing data search, comprising the following steps: utilizing a first predetermined function to take a fixed-length byte from the first data and operating to generate a first address; inquiring the mark in the first address in a first memory, and when the mark is valid, utilizing a second predetermined function to take the fixed-length byte from the firstdata and operating to generate a second address; utilizing a third predetermined function to take the byte with the length same with that of a rule from the first data to generate the second data; and comparing the second data with the data information of a rule full text corresponding to the second address in a second memory so as to process data. The invention also relates to a system for processing data search, comprising a search engine, the first memory, the second memory and a third memory. Therefore, the invention greatly shortens the time of index rule while supporting multiple rules,adopts a particular tandem routing water flowing technology, and finishes high efficient process by using less resources, thus realizing high-speed search.

An object is to provide a semiconductor memory device that enables low power consumption of a memory cell of a CAM including a nonvolatile memory device. Another object is to provide a semiconductor memory device without degradation due to repeated data writing. Still another object is to provide a nonvolatile memory device that enables high density of memory cells. A semiconductor memory device is provided which includes a memory circuit including a first transistor including an oxide semiconductor in a semiconductor layer, and a capacitor in which a potential corresponding to written data can be retained by turning off the first transistor; and a reference circuit for referring the written potential. The semiconductor memory device enables a high-speed search function by obtaining the address of data generated by detecting the conducting state of a second transistor in the reference circuit.

The invention discloses a formal semantic reasoning and deep learning-based natural language knowledge mining method. The method comprises the following steps: a machine learning step used for combining a formal semantic reasoning method with a machine learning method and performing machine learning including semanteme, an intention learning step used for learning a descriptive intention of a to-be-mined natural language, a text topic extraction step used for analyzing a text topic content and paragraph content descriptive intention according to an LDA model, and a document structure classification model building step used for performing model training according to a deep convolutional neural network, automatically modifying and perfecting the neural network in a training process and building an automatic document structure classifier. According to the method, a non-structured data group represented by literatures, voices and the like is directly processed and the intention is reasoned by depending on the combination of automated semantic reasoning, a deep learning technology and natural language processing, thereby obtaining a real intention of text description; and mined and retrieved knowledge is used for analysis and construction of a new knowledge structure, so that knowledge mining and retrieval can be performed in an efficient, intelligent, learnable and self-evolution manner.

The present invention relates to a disease prognosis prediction modeling method for preparing a model for predicting the prognosis of a specified disease from clinical laboratory test values for the disease by means of a computer, the method comprising the steps of: inputting a plurality of actually measured clinical laboratory test values for the disease and actual measured values of the prognoses into the computer; processing these values by a data mining method to determine one or a plurality of clinical laboratory test items which have an influence on the prognosis of the disease; determining a priority of the items with respect to the prognosis in a case where there are a plurality of the items; and establishing a judgment routine in which correlation of the plurality of clinical laboratory test items and the clinical laboratory test value ranges of the test items with the predicted value of the prognosis is stipulated on the basis of the priority, wherein the judgment routine is used as the model.

An apparatus includes a page designation unit configured to designate a page to be searched in a document file including a plurality of pages, an input unit configured to input a search key used to search the document file, and a search unit configured to perform character string search to search a keyword in the document file based on the search key. The search unit is capable of performing the character string search using a search key input by the input unit in a page of the document file designated by the page designation unit without performing the character string search in non-designated pages of the document file.

The invention provides a BF_TCAM (Bloom Filter-Ternary Content Addressable Memory)-based high-efficiency range matching method for realizing zero range expansion. The method is used for solving the problems of low storage utilization ratio and high power consumption of existing TCAM-based range matching methods and is mainly applied to the port range matching in packet classification, the storage access address examining in storage protection and the like. The high efficiency of the method provided by the invention is embodied in the aspects of high-efficiency storage, high-speed lookup and low power consumption. The method is characterized in that the range matching process is segmented into the two steps of prefix matching and characteristic interval comparison by utilizing a SMLCP (Segmented Match on Longest Common Prefix) algorithm to ensure that the TCAM technique is conveniently used and the storage utilization ratio of the TCAM is up to 100%; a BF_TCAM module is designed according to the SMLCP algorithm, the range is classified according to the prefix length, keywords are filtered and irrelevant items are shielded from participating in the comparison by using a bloom filter, so that the power consumption is reduced by a large margin; and the circuit critical path length is reduced by using a pipeline technique, so that the lookup operation is completed in one clock period.