204results about How to "Speed up query" patented technology

Certain embodiments of the present invention provide systems and methods for information composition and query enhancement. Certain embodiments provide an information composition and query enhancement system. The system includes a query generation and enhancement engine generating and conducting a query of one or more data sources based on user input and a data context to produce query results. The system also includes an information composition engine assembling the query results to provide a bundle of documents meaningful to the particular user. The system further includes a document summarization engine clustering and summarizing the bundle of documents to provide a content summary in addition to the bundle of documents for output in a presentation to a user.

The invention provides an SQL rewrite based database external encryption / decryption system and a usage method thereof. The system comprises an SQL rewrite main module, a statement parsing module, a grammatical rule management module, an encryption / decryption table management module, a rewrite execution module and a data encryption / decryption module. The method comprises the steps of executing a rewritten data sheet creation process, a rewritten data insertion process and a data query process. According to the system and the method, an SQL rewrite technology is used, and data are encrypted and decrypted outside a database system, so that encryption / decryption costs of the database system are avoided.

The invention relates to a searching engine-based network searching method which is used for providing accurate searching for a searching client end. The accurate searching can be used for screening out keywords reflecting a user searching intention according to a click log of a user at the searching client end to a searching result, and carrying out question matching on search terms in various professional ask communities so that an actual searching intention of the user is explicated, an accurate searching statement of the user is recovered, searching is resubmitted by using the statement so that a result which is actually interested by the user and is useful for the user is returned to the user in a high priority, therefore, searching time of the user is greatly reduced and searching efficiency of the user is increased.

The invention discloses a feature identification and fast search method for a hotspot path based on route big data, relates to a network path searching method and in particular relates to a method for performing hotspot path identification and search in a road network according to historical route big data. The invention provides a set of core features of a hotspot path and the feature identification method of the hotspot path. The method comprises a vector markup method for path heat and a ranking mechanism based on the path heat; an index mechanism is provided, so that the frequency of query on the route big data and the cost of input / output (I / O) of a disk in the process are reduced. Moreover, the method for rapidly querying the hotspot path based on the time interval comprises the following steps of: determining the starting point, destination and interested time interval and calculating the hotspot path, which meets the conditions, according to the historical route big data. The reasonable definition of the hotspot path is given, the hotspot path query at any time interval is provided, and the method is an important supplement to traditional path query methods and can well provide core technical support for various services based on positions.

The invention discloses an RFID (Radio Frequency Identification Device) based seafood supply chain traceability system under an exclusive shop direct sales model, comprising a client, a server and a backend database which are all in network connection; the client comprises RFID reader-writers, an RFID electronic label and a client computer, wherein the RFID reader-writer is in network connection with a plurality of RFID electronic label networks, and a plurality of RFID read-writers are in network connection with the client computer; the server comprises a culture subsystem, a processing subsystem, a delivery subsystem, an exclusive shop subsystem, a consumer and controlling authority subsystem and a management subsystem, wherein the management subsystem is respectively connected with the culture subsystem, the processing subsystem, the delivery subsystem, the exclusive shop subsystem and the consumer and controlling authority subsystem, and the culture subsystem, the processing subsystem, the delivery subsystem, the exclusive shop subsystem and the consumer and controlling authority subsystem are in network connection. The invention has the advantages of high speed, high efficiency, convenient management, capability of tracking relevant information of each link of a supply chain, and the like.

The invention discloses an independent transparent security audit protection method facing a real-time database. An interface which is supplied to an application system by the real-time database is used as an access point; a demand for protection and the operation limitation are converted into security protection functions; and corresponding interfaces are replaced by the security protection functions by using a HOOK and a remote thread injection technology, so that transparent gain security audit is realized. An authority of a user is managed according to a role mechanism based on a security area and quickly calibrated through an object operation two-dimensional authority table, so that an access control method suitable for the real-time database is found. A sequence number is led out according to an interface for fusing configuration information, so that configuration is realized securely and conveniently; an original log is quickly generated by using bit operation; the log generation and acquisition speed is increased by combining inter-thread message transmission; a buffering pond is introduced; the speed of reading and writing a log file is increased by using a divided webpage set management strategy; and the whole performance is improved by using separation arrangement.

The invention provides a parallel computing system and a method for carrying out the load balance according to query contents. The method comprises the following steps of: (1) configuring a plurality of node databases; (2) partitioning mass data in a main database according to a certain rule, and distributing the data to each node database; (3) forming index information representing the data contents distributed to each node database according to the division rule; (4) analyzing query or statistical parameters and combining the index information to distribute query or statistical assignment of each node database; and (5) carrying out parallel query or statistics on each node database. The invention can largely improve the query or statistical speed of large-scale databases.

A database system converts a multi-table relational database into a wide table incorporating all of the information of the relational database tables and converts queries for the relational database system into a form applicable to the wide table. Dictionary compression and / or columnar store allow faster query processing despite a substantially larger size of the wide table.

The invention relates to an automatic code generation method and system. The automatic code generation method comprises the steps: extracting codes of all business assemblies of each layer in J2EE project, respectively comparing the codes in all business assemblies of each layer, reserving code segments which are completely consistent in all business assemblies, replacing the inconsistent code segments by utilizing a template variable, and respectively forming a code template of each layer; establishing a code generation module according to the code template and template variable of each layer; acquiring characteristics information of a to-be-created business assembly inputted by a user, and replacing the corresponding template variable according to the characteristics information; generating a to-be-generated business assembly by utilizing the code generation module according to the code template and the replaced template variable of each layer. By adopting the automatic code generation method and system, the manpower cost for developing each module can be reduced; a universal code is automatically completed, and the error rate for manually editing the code can be reduced.

The invention discloses a rapid data storage method and system based on a block chain. The method includes the following steps: a user obtains a service interface through a client side; the user builds data strips needing to be written in; the user provides appropriate access control, and submitting the data strips to an access server; the access server sends a request to a distributed verification server, and the verification server obtains a storage request of a client, thereby obtaining the data strips; and the verification server performs consensus verification on a data strip set through a consensus system, and when a block period is due, the verification server writes the verified data strip set in a block chain. The system includes a client, an access server, a distributed verification server and a block chain system. After adoption of the abovementioned scheme, the following effects are achieved: 1. during storage, data can be correctly written in without transaction or transaction confirmation; and 2. compared with a mode parasitic on transaction, the method and system are greatly improved in efficiency of data storage, and the utilization rate of space is improved by orders of magnitude due to direct data storage.

The embodiment of the invention discloses a method and system for acquiring passive optical network (PON) element information. The method comprises the following steps that: OLT (Optical Line Terminal) equipment automatically discovers and acquires unregistered ONU (Optical Network Unit) information of the downlink communication connection of PON ports of the OLT equipment, and records the unregistered ONU information; an unregistered ONU acquisition module acquires information of all the PON ports of the OLT equipment according to the IP (Internet Protocol) address of the OLT equipment, acquires the unregistered ONU information of the downlink connection of all the PON ports of the OLT equipment and the uplink port information of the PON ports from the OLT equipment, and stores the IP address of the OLT equipment, the acquired PON port information, the unregistered ONU information under the PON ports and the corresponding uplink port information of the PON ports in a database; and installation and maintenance personnel inquires the installed ONU information, PON port information and uplink port information from the database through a mobile terminal, and compares the obtained information with information of a construction worksheet to determine whether or not the ONU is installed correctly and whether or not the states of corresponding PON ports and uplink ports are normal. According to the embodiment of the invention, the information inquiry speed and the installation testing speed of each PON network element can be increased.

An automatic data index establishment method includes the steps of comparing a data index existed in at least one table when a database inquires at least one query to obtain the data index correspondingly and directly uses the data index to search related data. If the query has no corresponding data index, a Where Condition field, a Sorting field and a Group By field of the query are recorded and integrated to automatically generate the newly established data index and fill the data index into the table correspondingly. Therefore, the database has intelligent functions with automatic analysis to automatically generate, update, and delete the data index, so as to achieve the effects of enhancing the accuracy and execution efficiency of the data management and reducing the manpower of data managers effectively.

The invention relates to a multilevel index technology for file database, in particular to a watermark access mechanism adopted by an InforGuard watermark module. The technology comprises such two steps as data storage and data query. Index is stored by establishing independent index files and according to an HASH algorithm. By the multilevel index technology located rapidly in two phases, the invention overcomes the weakness of the traditional file database of low efficiency, thus obviously improving the property of data query in the file database.

The method relates to a method for storing configuration parameters in a NOR FLASH based on a Hash algorithm. The method comprises the following steps: configuration parameter items are sequentially written in a blank area of a configuration parameters partition without adding tags in a format 'name=value', effective configuration parameters are obtained by a positional relation of the blank area in FLASH after a Hash table is established for the configuration parameters, the Hash table is used for representing mapping between effective configuration information of the partition in a configuration parameters space and memory omission, when certain parameter needs modification, similarly, the Hash algorithm is firstly carried out, then corresponding nodes in the Hash table are compared, and then a decision is made on whether the configuration parameter needs modification and whether the configuration parameter need to be written in the FLASH. The method can effectively lower the reading and writing of the FLASH, and especially the erasing times of the FLASH, and improves the inquiry speed and the modification speed of the configuration parameters.

The invention discloses a time sequence database system based on column storage. The time sequence database system comprises: an SQL (Structured Query Language) parser, wherein the SQL parser is usedfor converting SQL into an abstract syntax tree through parsing; a logic plan generator which is used for generating a logic query plan by utilizing the abstract syntax tree, wherein the logic query plan is expressed by a relation algebra; a query optimizer which is used for optimizing the query plan by utilizing the state information of the database and outputting the rewritten query plan; an executor which is used for executing the query plan in a block iteration mode and is responsible for interacting with the storage layer to obtain data queried by a user; and a storage engine which is used for storing data in a row and column manner. According to the invention, data in the database is stored in a column mode; based on combination of column storage and rocksdb, high-speed insertion data characteristics and an indexing function of a traditional database are achieved, in the aspect of an executor, part of operators are improved to be deeply combined with characteristics of a storageengine, and meanwhile, new characteristics of a modern processor are used for accelerating query.

The invention discloses a dynamic distribution Web resource management method and a system based on a content center network. The method comprises the following steps: (1) an nWeb client transmits a request; (2) an nWeb router forwards the request through an output port matched with a forwarding route table; (3) an nWeb server executes the request, and transmits a stored information change notification selectively; (4) the nWeb router feeds back a response result, and selectively updates the forwarding route table; (5) the nWeb client outputs a response. The system comprises a service request transmitting unit, a service request routing unit, a service request processing unit, a response result routing unit and a response result output unit. By adopting the dynamic distribution web resource management method and system, Web resources which are distributed dynamically can be effectively found and converged on a new network framework according to hierarchical semantics, data source-crossing ordered storage and networked caching of Web resources are realized, and the sharing and managing capabilities specific to massive Web resources in a dynamical distribution network environment are enhanced.

The invention discloses an intelligent greenhouse equipment control method based on short messages of a mobile phone and a device thereof. After regularly acquiring environmental factor data in a greenhouse, a wireless sensor network transfers the data to a monitoring center through gateway nodes and stores the data in an environmental factor database of the monitoring center; the monitoring center is connected with a GSM (Global System for Mobile Communications) network communication module; a cell phone sends a query command and a management command to the GSM network communication module through a GSM network of an operator; and the monitoring center performs query and management according to the query command or the management command and sends environmental factor database or early warning information to the cell phone. The invention has the advantages of reasonable design, simple and convenient operation, strong practicality, wide applicability, reliable performance, reasonable control relation and perfect functions.

The invention relates to a video clip query method and device, computer equipment and a storage medium. The method comprises the steps of obtaining text and video interaction information according toa query text and a target video; obtaining context interaction information according to the text video interaction information; obtaining matching probability information of anchor point segments corresponding to the video frames and boundary probability information of the video frames according to the context interaction information; according to the matching probability information of the anchorpoint segment corresponding to each video frame, obtaining a video frame, and boundary probability information of each video frame, obtaining a target video clip matched with the query text in the target video. According to the scheme, the specific video clip in the target video can be accurately queried through the text, a user does not need to manually adjust the playing progress to find the video clip interested by himself / herself, and therefore the efficiency of querying the specific video clip from the video is remarkably improved.

The invention discloses a method and a device for processing log information. The method comprises the following steps of obtaining the log information of a virtual machine or a host machine in a cloud environment to cache; when the set processing cycle U is reached, combining and processing the log information cached in the processing cycle; and for the same type of log information obtained from the same virtual machine or the same host machine, combining the continuously cached W log information into one log information, and then storing, wherein W is equal to U*M / N, M is the collecting frequency of the log information in the type, N is the statistical analysis frequency of the log information, and M is greater than N. As the same type of continuously cached log information is combined into one log information, and the log information is stored, the storage space is saved, the bandwith of a network is saved, and the cost of storing the raw data of a large amount of log information is reduced.

The invention provides an XML (Extensive Markup Language) data storage method based on a route structure. Compared with the prior art, the technical scheme has the following advantages: on the basis of the prior art, the XML data storage method and an XML data storage device based on the route structure realize the unique node data storage scheme by utilizing the route information, can realize high-efficiency data query and update operation, are more efficient and reliable, and can obviously improve usability and extendability. Due to the application of the technical scheme, query of XML data, length of the update route and complexity of an XML document per se are not involved, and the cost of route query is constant under any condition, so that the query performance can be obviously improved to the XML document with the complex structure and the XQuery query with longer route; and meanwhile, metadata of the XML document is stored independently, so that the node names are avoided from repeating, and data query and update performance can be obviously improved in the database management application examples with huge data quantity.

Through wireless communication base station, the management system builds up wireless network and reference frame inside warehouse in order to realize query for location of goods and management for each goods section. The invention raises work efficiency for warehouse operation and management greatly, reduces time spent on looking up information of goods and seeking after location of goods greatly so as to raise querying and checking precision as well as quicken circulation speed in and out warehouse greatly.

The invention discloses a CMR model for uniformly retrieving cross-media information, and aims to provide a cross-media retrieval model with accurate and rapid information. The method is realized through the following technical scheme: a multi-modal media information semantic feature unified expression and association module queries heterogeneous information input by the input and cross-media datamodule; the multi-modal semantic features are mapped into the same feature space and a multi-modal semantic association rule is constructed based on the multi-modal semantic feature extraction resultand the mapping from the bottom-layer features to the high-layer semantic features, thereby realizing the association between the bottom-layer features and the high-layer semantic features of the cross-media information and the association of the high-layer semantics of different modal information; the cross-media data index construction module is used for establishing a multi-dimensional retrieval index for the multi-modal data characteristics; the cross-media retrieval model construction module realizes unified retrieval of multi-modal information based on ontology, semantic network and knowledge graph technologies; and conflict detection and self-organization of retrieval results are realized through a multi-modal retrieval result association verification and organization module.

The invention provides a palm print database search method based on quantum algorithms. Four different quantum algorithms are respectively used in the three most important stages of palm print recognition. The search method comprises the following steps that 1, a palm print image is filtered by a quantum adaptive median filtering algorithm, and a fact can be observed from a filtering effect contrast chart that a better filtering effect can be obtained by the quantum adaptive median filtering algorithm utilized in the invention than a classic algorithm; 2, the characters of the palm print image are extracted by quantum Fourier conversion based on quantum parallelism, all palm print characters can be extracted by only one quantum Fourier conversion operation, and an analysis result shows that the extraction speed of the palm print characters is raised by the algorithm under the condition of well reserving palm print details; and 3, the palm print image is matched by a quantum set operation and a Grover algorithm. In comparison with the classic algorithm which requires N times of operation, the matching algorithm provided by the invention has the advantage that the position of the target palm print image can be found by only 1 / 2 N times of operation, and the probability of finding the position of the target image in the palm print database by the algorithm is close to 1.

The invention relates to a task delay method and apparatus. The task delay method comprises the steps of, aiming at a task needing to be delayed, packaging the task needing to be delayed; putting execution time of the task needing to be delayed into a delay queue of a database, and putting contents of the task needing to be delayed into a cluster, different from the delay queue, of the database; and starting a timed task timer to scan the delay queue to obtain the delayed task needing to be executed. In addition, the invention relates to an electronic device and a computer readable storage medium for realizing the task delay method.

The invention discloses an album-based information recommendation method and device, computing equipment and a computer storage medium. The method includes the steps of acquiring pictures and / or videos in an album of a user; conducting image feature analysis on the pictures and / or frame pictures extracted from the videos, and determining a user label of the user according to an image feature analysis result; conducting semantic analysis on the user label, and obtaining at least one information type which meets the demand of the user according to a semantic analysis result; querying an information library of the corresponding type according to the information types to obtain to-be-recommended information matched with the user label; recommending the to-be-recommended information to the user. In this way, the information which the user is interested in can be found, the problem is solved that the user does not click or view recommendation information since the relevance degree between the recommendation information and the interest and hobbies of the user is low, and the probability that the user views the corresponding information is increased.

The invention discloses an SPARQL query optimization method based on graph traversal. The method comprises the steps of 1), expressing triples in RDF (Resource Description Framework) data through utilization of an attribute graph and storing the RDF data through utilization of a Bigtable model, thereby obtaining Bigtable data corresponding to the RDF data; 2), converting SPARQL query into traversal for the RDF attribute graph; and 3), traversing all nodes satisfying conditions in the Bigtable data according to a traversing sequence obtained in the step 2), thereby finishing the SPARQL query. According to the method,

The invention discloses a block chain data-based offline synchronization method and device. The synchronization method comprises the following steps of (1) creating a data table corresponding to a block chain data structure in an offline database, and adding an index to the data table according to a service demand; (2) reading block data in the block chain; (3) analyzing the read block data, and decomposing the block data into corresponding element object groups according to service functions; (4) inserting the data in the one or more object groups into corresponding data tables in an offlinedatabase in sequence; (5) monitoring the updating of the block chain data, and synchronizing the newly added block data on the block chain to the offline database; and then updating the confirmation state of the unconfirmed block data in the offline database. According to the invention, when the blockchain data needs to be queried, the operation on blockchain nodes is reduced, the dimensions of data query and statistics are increased, and the execution speed of the query and statistics operations is greatly improved.

The invention provides a grid voltage monitoring and prediction system and method based on a geographic information system and belongs to the field of grid voltage monitoring technologies. The system comprises a basic information setting module, a map service module and a voltage monitoring and prediction module. The method includes the steps that monitoring data are preprocessed according to historical voltage data of a monitored object and current voltage monitor running status parameters; a voltage prediction model is established; according to the voltage prediction model, the voltage change trend of a monitoring point within future requested time is predicted, if the prediction result exceeds the upper limit range and the lower limit range of voltage of the monitoring point, an alarm prompt is displayed at the position, on a map view, of the monitoring point, and the alarm prompt is also displayed at a corresponding position of a thematic layer where a monitoring point administrative department to which the monitoring point belongs is located. Mapping of grid voltage monitoring and visualization of operating data are achieved, effective early warning is provided for grid voltage abnormities, and grid equipment can be conveniently adjusted, overhauled and scheduled before the abnormities occur.

The invention relates to a Trojan horse scanning method, which comprises the following steps of: obtaining files to be scanned; extracting the attribute information of the files to be scanned one by one from the obtained files to be scanned; and comparing the extracted attribute information with the stored attribute information, judging whether the attribute information of the files to be scanned is the same as the stored attribute information or not, if not, scanning the files to be scanned corresponding to the extracted attribute information. According to the Trojan horse scanning method and system, when the attribute information of the files to be scanned is different from the pre-stored attribute information, the files to be scanned are safely scanned so as to judge whether the files to be scanned is identified as a normal state or not, the files to be scanned with the attribute information same as the pre-stored attribute information is not safely scanned, and the probability that the files to be scanned with the attribute information same as the pre-stored attribute information is not amended is very high, therefore, the number of the files needing to be scanned is greatly reduced, the resource consumption is flexibly reduced, the security of the files is ensured, and the scanning speed of the files is improved.

The invention provides a method for updating a user satisfaction rule and a real-time updating processing system. According to the method and the system, user tags are divided into different tags such as a dynamic user tag, a positional user tag, a sliding user tag and the like according to data activity and content of the user tags, and different updating processing methods are adopted for the different user tags, especially, a quick and effective updating processing method is adopted for the dynamic user tag with the highest updating frequency, so that the processing capability of the system to an updating request of a user is improved, the processing speed of the system to the updating request of the user is increased, the real-time updating and query of the user satisfaction rule are improved, and the efficiency of user data updating is enhanced.